/* roulang page: index */
:root{
  --green:#12564A;
  --green-deep:#0B3A32;
  --tint:#DDEBE4;
  --accent:#C4622D;
  --accent-soft:#F6E2D5;
  --paper:#FAF7F1;
  --card:#FFFFFF;
  --line:#E5DFD3;
  --ink:#10201B;
  --ink-2:#55635C;
  --ink-3:#9AA5A0;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#B23B2E;
  --ok-soft:rgba(47,125,91,.12);
  --warn-soft:rgba(184,134,43,.12);
  --err-soft:rgba(178,59,46,.12);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.06),0 10px 28px -18px rgba(11,31,26,.28);
  --sh-2:0 2px 4px rgba(11,31,26,.08),0 18px 40px -22px rgba(11,31,26,.34);
  --sec:clamp(56px,8vw,104px);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section--tight{padding-top:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--green);background:var(--tint);
  padding:6px 14px;border-radius:var(--r-chip);
}
.eyebrow svg{width:14px;height:14px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:0}
.sec-head p{color:var(--ink-2);font-size:15px;line-height:1.7;max-width:36em;margin-top:12px}
.sec-link{
  font-size:14px;font-weight:600;color:var(--green);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid rgba(196,98,45,.45);
  padding-bottom:4px;transition:color .2s,border-color .2s;
}
.sec-link:hover{color:var(--accent);border-color:var(--accent)}
.sec-link svg{width:14px;height:14px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(250,247,241,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid transparent;
  transition:height .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  box-shadow:0 1px 0 rgba(229,223,211,.9),0 12px 30px -24px rgba(11,31,26,.5);
  border-bottom-color:var(--line);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;gap:32px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--green);display:grid;place-items:center;flex:0 0 auto;
  transition:background .2s ease,transform .2s ease;
}
.brand:hover .brand-mark{background:var(--green-deep);transform:translateY(-1px)}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:0}
.brand:hover .brand-text{color:var(--green)}
.nav-chips{
  margin-left:auto;margin-right:auto;
  display:flex;align-items:center;gap:2px;
  background:#EFEAE0;padding:4px;border-radius:var(--r-chip);
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 16px;border-radius:var(--r-chip);
  font-size:14px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--green);background:var(--tint)}
.chip.active{background:var(--green);color:#fff;font-weight:600;box-shadow:var(--sh-1)}
.chip.active:hover{color:#fff;background:var(--green)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:10px;
  border:1.5px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--green);background:var(--tint)}
.nav-toggle svg{width:20px;height:20px;stroke:var(--green)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:var(--r-btn);
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-align:center;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--green);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);background:#A9542A;box-shadow:var(--sh-1)}
.btn-primary:disabled{background:var(--ink-3);box-shadow:none;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:rgba(18,86,74,.08);color:var(--green-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--green);
  padding:0;background:none;border:0;cursor:pointer;
  border-bottom:1px solid rgba(18,86,74,.4);
  text-underline-offset:4px;transition:color .2s,border-color .2s;
}
.btn-text:hover{color:var(--accent);border-color:var(--accent)}
.btn-text svg{width:14px;height:14px}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{padding:clamp(40px,6vw,72px) 0 clamp(48px,7vw,88px);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 82% 8%,rgba(221,235,228,.75),transparent 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:5fr 7fr;
  gap:clamp(32px,4vw,64px);align-items:center;
}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.25;font-weight:700;
  margin:22px 0 18px;letter-spacing:0;
}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--ink-2);
  max-width:30em;margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-2);
}
.hero-points svg{width:16px;height:16px;stroke:var(--green);flex:0 0 auto}
.hero-visual{position:relative;padding:0 0 0 clamp(0px,2vw,24px)}
.arch-frame{
  position:relative;overflow:hidden;
  border-radius:999px 999px var(--r-img) var(--r-img);
  border:1px solid var(--line);
  background:#EFEAE0;
  aspect-ratio:4/4.4;
  box-shadow:var(--sh-2);
}
.arch-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.arch-frame:hover img{transform:scale(1.03)}
.hero-visual .grid-lines{
  position:absolute;left:-14px;bottom:34px;width:120px;height:120px;
  border-left:1px solid rgba(18,86,74,.28);
  border-bottom:1px solid rgba(18,86,74,.28);
  border-radius:0 0 0 12px;pointer-events:none;
}
.corner-code{
  position:absolute;top:22px;right:calc(clamp(0px,2vw,24px) + 6px);
  background:var(--paper);border:1px solid var(--line);
  font-family:var(--font-num);font-size:12px;font-weight:600;
  letter-spacing:.06em;color:var(--green);
  padding:7px 12px;border-radius:6px;box-shadow:var(--sh-1);
}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pain-card{
  background:var(--tint);
  border:1px solid transparent;
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.pain-card:hover{border-color:rgba(18,86,74,.35);background:#D6E7DE;transform:translateY(-2px)}
.num-tag{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--green);border:1px solid rgba(18,86,74,.4);
  border-radius:4px;padding:3px 8px;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.pain-card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px}
.pain-card p{font-size:14px;line-height:1.7;color:var(--ink-2)}

/* ---------- 方案 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s;
  display:flex;flex-direction:column;
}
.plan-card:hover{border-color:rgba(18,86,74,.3);box-shadow:var(--sh-2);transform:translateY(-2px)}
.plan-card--lg{grid-column:span 2;grid-row:span 2}
.plan-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEAE0}
.plan-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.plan-card:hover .plan-thumb img{transform:scale(1.03)}
.plan-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.plan-card--lg .plan-body{padding:28px}
.plan-body h3{font-size:20px;font-weight:600;line-height:1.4}
.plan-card--lg .plan-body h3{font-size:24px}
.plan-scene{font-size:14px;color:var(--ink-2)}
.plan-list{display:flex;flex-direction:column;gap:8px;margin:4px 0 8px}
.plan-list li{
  display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2);
}
.plan-list li svg{width:16px;height:16px;stroke:var(--accent);flex:0 0 auto;margin-top:4px}
.plan-card .btn-text{margin-top:auto;align-self:flex-start}
.safety-strip{
  margin-top:24px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:12px;padding:18px 24px;box-shadow:var(--sh-1);
}
.safety-strip p{font-size:14px;color:var(--ink-2)}
.safety-strip strong{color:var(--ink);font-weight:600}

/* ---------- 数据区 ---------- */
.stats{
  position:relative;color:#fff;overflow:hidden;
  padding:clamp(56px,7vw,90px) 0;margin:0;
}
.stats::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.5;
}
.stats::after{
  content:"";position:absolute;inset:0;
  background:rgba(11,58,50,.9);
}
.stats .container{position:relative;z-index:2}
.stats h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;color:#fff;margin-bottom:12px}
.stats .lead{color:rgba(255,255,255,.72);font-size:15px;max-width:36em;margin-bottom:48px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{border-top:1px solid rgba(255,255,255,.18);padding-top:20px}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(40px,4.6vw,56px);line-height:1.05;font-weight:700;
  color:#fff;display:flex;align-items:baseline;gap:6px;
}
.stat-num span{font-size:16px;font-weight:500;color:rgba(255,255,255,.72)}
.stat-item:nth-child(2) .stat-num,
.stat-item:nth-child(4) .stat-num{color:var(--accent-soft)}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:10px}
.stats .note{font-size:12px;color:rgba(255,255,255,.55);margin-top:36px;max-width:52em;line-height:1.7}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow::before{
  content:"";position:absolute;left:0;right:0;top:22px;height:0;
  border-top:1px dashed rgba(18,86,74,.3);z-index:0;
}
.flow-step{position:relative;z-index:1;padding-right:12px}
.flow-step .num-tag{background:var(--paper);padding:5px 10px}
.flow-step h3{font-size:17px;font-weight:600;line-height:1.5;margin:14px 0 8px}
.flow-step p{font-size:14px;line-height:1.7;color:var(--ink-2)}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.news-card:hover{border-color:rgba(18,86,74,.3);box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#EFEAE0;position:relative}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-cat{
  position:absolute;top:12px;left:12px;
  background:rgba(221,235,228,.95);color:var(--green);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-chip);
}
.news-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;font-weight:600;line-height:1.5}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--green)}
.news-sum{font-size:14px;line-height:1.7;color:var(--ink-2)}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid var(--line);
}
.news-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);font-family:var(--font-num)}
.news-time svg{width:14px;height:14px;stroke:var(--ink-3)}
.news-more{font-size:13px;font-weight:600;color:var(--green);display:inline-flex;align-items:center;gap:4px}
.news-more svg{width:13px;height:13px}
.empty-state{
  grid-column:1/-1;
  border:1px dashed var(--line);border-radius:12px;
  padding:48px 24px;text-align:center;background:var(--card);
}
.empty-state svg{width:40px;height:40px;stroke:var(--ink-3);margin:0 auto 14px}
.empty-state p{font-size:16px;font-weight:600;color:var(--ink)}
.empty-state span{display:block;font-size:14px;color:var(--ink-2);margin-top:6px}

/* ---------- FAQ ---------- */
.faq-wrap{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);padding:0 24px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  min-height:56px;padding:18px 48px 18px 0;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);
  display:flex;align-items:center;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--green)}
.faq-item summary::before,
.faq-item summary::after{
  content:"";position:absolute;top:50%;background:var(--green);
  transition:transform .25s ease,opacity .25s ease,background .2s ease;
}
.faq-item summary::after{right:10px;width:14px;height:1.5px;transform:translateY(-50%)}
.faq-item summary::before{right:16.25px;width:1.5px;height:14px;transform:translateY(-50%)}
.faq-item[open] summary::before{opacity:0;transform:translateY(-50%) rotate(90deg)}
.faq-item summary:hover::before,.faq-item summary:hover::after{background:var(--accent)}
.faq-answer{padding:0 48px 22px 0;font-size:16px;line-height:1.8;color:var(--ink-2)}

/* ---------- 表单区 ---------- */
.contact{padding:var(--sec) 0;background:linear-gradient(180deg,var(--paper) 0%,#F2EEE4 100%)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,4vw,64px);align-items:start}
.contact-copy h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;margin-bottom:18px}
.contact-copy p{color:var(--ink-2);font-size:16px;line-height:1.8;max-width:34em}
.contact-list{margin:28px 0;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--ink-2)}
.contact-list svg{width:18px;height:18px;stroke:var(--green);flex:0 0 auto;margin-top:4px}
.privacy-block{
  border:1px solid var(--line);border-radius:12px;background:var(--card);
  padding:0 20px;box-shadow:var(--sh-1);max-width:560px;
}
.privacy-block summary{
  list-style:none;cursor:pointer;position:relative;
  padding:16px 40px 16px 0;font-size:14px;font-weight:600;color:var(--ink);
  transition:color .2s;
}
.privacy-block summary::-webkit-details-marker{display:none}
.privacy-block summary:hover{color:var(--green)}
.privacy-block summary::after{
  content:"";position:absolute;right:8px;top:50%;width:14px;height:1.5px;
  background:var(--green);transform:translateY(-50%);
}
.privacy-block summary::before{
  content:"";position:absolute;right:14.25px;top:50%;width:1.5px;height:14px;
  background:var(--green);transform:translateY(-50%);transition:opacity .25s;
}
.privacy-block[open] summary::before{opacity:0}
.privacy-block p{font-size:14px;line-height:1.8;color:var(--ink-2);padding-bottom:18px}
.form-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:19px;font-weight:600;margin-bottom:6px}
.form-card .form-hint{font-size:14px;color:var(--ink-2);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.field input,
.field select,
.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#FDFCF9;color:var(--ink);
  padding:0 14px;height:48px;
  transition:border-color .2s,box-shadow .2s,background .2s;
  appearance:none;-webkit-appearance:none;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2312564A' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:40px;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;border-color:var(--green);
  box-shadow:0 0 0 3px rgba(18,86,74,.18);
  background:#fff;
}
.field.error input,
.field.error select,
.field.error textarea{border-color:var(--err);box-shadow:0 0 0 3px rgba(178,59,46,.12)}
.field .err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.error .err-msg{display:block}
.check-line{display:flex;gap:10px;align-items:flex-start;margin:4px 0 22px}
.check-line input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;
  width:18px;height:18px;flex:0 0 auto;margin-top:3px;
  border:1.5px solid var(--line);border-radius:5px;background:#FDFCF9;
  cursor:pointer;position:relative;transition:border-color .2s,background .2s;
}
.check-line input[type="checkbox"]:checked{background:var(--green);border-color:var(--green)}
.check-line input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:5px;top:1.5px;width:5px;height:9px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(42deg);
}
.check-line input[type="checkbox"]:focus-visible{outline:3px solid rgba(196,98,45,.55);outline-offset:2px}
.check-line label{font-size:13px;line-height:1.7;color:var(--ink-2)}
.check-line a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.check-line a:hover{color:var(--accent)}
.form-success{
  display:none;text-align:center;padding:36px 12px;
}
.form-success svg{width:48px;height:48px;stroke:var(--ok);margin:0 auto 16px}
.form-success h3{font-size:19px;font-weight:600;margin-bottom:8px}
.form-success p{font-size:14px;color:var(--ink-2);line-height:1.8}
.form-card.is-sent form{display:none}
.form-card.is-sent .form-success{display:block}

/* ---------- CTA 条 ---------- */
.cta-bar{background:var(--green-deep);color:#fff;padding:36px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-inner p{font-size:16px;line-height:1.7;color:rgba(255,255,255,.85);max-width:40em}
.cta-inner .btn-primary{background:var(--accent)}
.cta-inner .btn-primary:hover{background:#fff;color:var(--green-deep)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-deep);color:#fff;padding:clamp(48px,6vw,72px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px 32px;padding-bottom:44px}
.footer-brand{display:flex;flex-direction:column;gap:16px}
.footer-brand .brand-text{color:#fff;font-size:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:26em}
.footer-brand .brand:hover .brand-text{color:#fff}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:#fff;margin-bottom:18px;position:relative;padding-top:12px;
}
.footer-col h4::before{
  content:"";position:absolute;top:0;left:0;width:28px;height:2px;background:var(--accent);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;line-height:1.8;color:rgba(255,255,255,.55)}
.footer-bottom .meta{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(11,31,26,.55);backdrop-filter:blur(2px)}
.modal-dialog{
  position:relative;z-index:2;
  width:min(880px,calc(100% - 40px));
  margin:6vh auto 0;
  background:var(--card);border-radius:var(--r-card);
  box-shadow:var(--sh-2);overflow:hidden;
  display:grid;grid-template-columns:320px 1fr;
  max-height:88vh;
}
.modal-aside{
  background:var(--green);color:#fff;padding:36px 28px;
  display:flex;flex-direction:column;gap:18px;
}
.modal-aside h3{font-size:20px;font-weight:600;line-height:1.4}
.modal-aside ul{display:flex;flex-direction:column;gap:14px;margin-top:6px}
.modal-aside li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.85)}
.modal-aside svg{width:16px;height:16px;stroke:var(--accent-soft);flex:0 0 auto;margin-top:4px}
.modal-body{padding:36px 32px;overflow-y:auto}
.modal-close{
  position:absolute;top:14px;right:14px;z-index:3;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  display:grid;place-items:center;transition:background .2s,border-color .2s;
}
.modal-close:hover{background:var(--tint);border-color:var(--green)}
.modal-close svg{width:18px;height:18px;stroke:var(--ink)}
body.no-scroll{overflow:hidden}

/* ---------- 浮动条 ---------- */
.float-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(250,247,241,.97);
  border-top:1px solid var(--line);
  padding:12px 20px;gap:14px;align-items:center;justify-content:space-between;
  box-shadow:0 -12px 30px -24px rgba(11,31,26,.5);
}
.float-bar p{font-size:13px;color:var(--ink-2);line-height:1.5;max-width:16em}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-inner{height:66px}
  .nav-chips{
    position:absolute;left:0;right:0;top:100%;
    margin:0;padding:8px 24px 16px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);
    border-radius:0 0 var(--r-card) var(--r-card);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);
    display:none;
  }
  .nav-chips.is-open{display:flex}
  .nav-chips .chip{
    height:48px;justify-content:flex-start;padding:0 14px;
    border-radius:10px;border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .nav-chips .chip:last-child{border-bottom:0}
  .nav-chips .chip.active{background:var(--green);border-bottom-color:transparent;margin:4px 0}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1;padding:0}
  .arch-frame{aspect-ratio:16/10}
  .hero-sub{max-width:none}
  .plan-grid{grid-template-columns:repeat(2,1fr)}
  .plan-card--lg{grid-column:span 2;grid-row:auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .flow::before{display:none}
  .flow-step{border-top:1px dashed rgba(18,86,74,.3);padding-top:18px}
  .contact-grid{grid-template-columns:1fr}
  .form-card{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .modal-dialog{grid-template-columns:1fr;max-height:90vh}
  .modal-aside{display:none}
}
@media (max-width:768px){
  .container{padding:0 20px}
  body{padding-bottom:72px}
  .pain-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .plan-card--lg{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr}
  .faq-wrap{padding:0 18px}
  .faq-item summary{padding-right:40px;font-size:15px}
  .faq-answer{padding-right:0;font-size:15px}
  .hero-cta .btn{flex:1 1 auto}
  .hero-points{gap:10px 18px}
  .sec-head{margin-bottom:28px}
  .form-card{padding:24px 20px}
  .float-bar{display:flex}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .modal-dialog{
    width:100%;margin:0;border-radius:16px 16px 0 0;
    position:fixed;left:0;right:0;bottom:0;top:auto;
    max-height:92vh;
  }
  .modal-body{padding:28px 20px 32px}
}
@media (max-width:480px){
  .brand-text{font-size:15px}
  .stat-grid{grid-template-columns:1fr}
  .header-actions .btn-sm{padding:9px 13px;font-size:13px}
  .hero-copy h1{font-size:27px}
  .num-tag{font-size:11px}
}

/* roulang page: article */
:root{
  --ink:#12564A;
  --ink-deep:#0B3A32;
  --tint:#DDEBE4;
  --chip-wrap:#EFEAE0;
  --accent:#C4622D;
  --accent-soft:#F6E2D5;
  --bg:#FAF7F1;
  --card:#FFFFFF;
  --line:#E5DFD3;
  --text:#10201B;
  --text-2:#55635C;
  --disabled:#9AA5A0;
  --success:#2F7D5B;
  --success-soft:rgba(47,125,91,.12);
  --warn:#B8862B;
  --warn-soft:rgba(184,134,43,.12);
  --error:#B23B2E;
  --error-soft:rgba(178,59,46,.12);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,31,26,.06), 0 10px 28px -18px rgba(11,31,26,.28);
  --sh-2:0 2px 4px rgba(11,31,26,.08), 0 18px 40px -22px rgba(11,31,26,.34);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --sec-gap:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;background:#EFEAE0;}
a{color:var(--ink);text-decoration:none;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{display:block;}
::selection{background:var(--tint);color:var(--ink-deep);}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,247,241,.94);
  backdrop-filter:saturate(120%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px -16px rgba(11,31,26,.5);}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-stuck .header-inner{height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink-deep);
  font-weight:700;
  font-size:16px;
  letter-spacing:.01em;
}
.brand:hover{color:var(--ink-deep);}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--ink);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{white-space:nowrap;}
.nav-chips{
  display:flex;
  align-items:center;
  gap:2px;
  background:var(--chip-wrap);
  border-radius:999px;
  padding:4px;
  margin:0 auto;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--ink);background:var(--tint);}
.chip.active,
.chip[aria-current="page"]{
  background:var(--ink);
  color:#fff;
  font-weight:600;
  box-shadow:var(--sh-1);
}
.chip.active:hover{background:var(--ink);color:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  padding:0;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink);}
.nav-toggle:hover{border-color:var(--ink);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 26px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  text-align:center;
}
.btn-sm{padding:11px 18px;font-size:14px;}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{background:#a04f21;transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(18,86,74,.08);color:var(--ink);}
.btn-ghost:active{background:rgba(18,86,74,.14);}
.btn-plain{
  background:transparent;
  border:none;
  padding:0;
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  text-decoration:underline;
  text-underline-offset:4px;
  cursor:pointer;
}
.btn-plain:hover{color:var(--accent);text-decoration-color:var(--accent);}
.btn-block{width:100%;}
.btn:disabled{background:var(--disabled);border-color:var(--disabled);color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- progress ---------- */
.read-progress{
  position:fixed;
  top:0;left:0;
  height:2px;
  width:0;
  background:var(--ink);
  z-index:120;
  transition:width .1s linear;
}

/* ---------- article head ---------- */
.article-main{padding-top:28px;padding-bottom:var(--sec-gap);}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:var(--disabled);}
.breadcrumb .now{color:var(--text);font-weight:500;}
.article-head{
  max-width:780px;
  padding-bottom:26px;
  border-bottom:1px solid var(--line);
  margin-bottom:34px;
}
.article-head h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:0;
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:var(--text-2);
}
.article-meta .cat{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--tint);
  color:var(--ink);
  font-weight:600;
  font-size:12px;
  letter-spacing:.04em;
}
.article-meta .bar{width:1px;height:12px;background:var(--line);}
.article-meta .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 280px;
  gap:56px;
  align-items:start;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  max-width:42em;
}
.article-body > * + *{margin-top:1.2em;}
.article-body h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  margin-top:2em;
  margin-bottom:.8em;
  padding-left:14px;
  border-left:3px solid var(--accent);
}
.article-body h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  margin-top:1.8em;
  margin-bottom:.7em;
}
.article-body h4{font-size:17px;font-weight:600;margin-top:1.5em;}
.article-body p{margin:0;}
.article-body ul,
.article-body ol{
  list-style:disc;
  padding-left:1.4em;
  margin-top:1em;
}
.article-body ol{list-style:decimal;}
.article-body li{margin:.5em 0;line-height:1.9;}
.article-body li::marker{color:var(--ink);}
.article-body a{
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--accent);text-decoration-color:var(--accent);}
.article-body blockquote{
  border-left:3px solid var(--ink);
  background:#F4F1E9;
  padding:16px 20px;
  border-radius:0 var(--r-img) var(--r-img) 0;
  font-style:normal;
  color:var(--text-2);
}
.article-body blockquote p + p{margin-top:.8em;}
.article-body img{
  border-radius:var(--r-img);
  margin:1.6em auto .4em;
  width:100%;
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--text-2);
  text-align:center;
  margin-top:8px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  margin:1.6em 0;
}
.article-body th,
.article-body td{
  border:none;
  border-bottom:1px solid var(--line);
  padding:12px 16px;
  text-align:left;
  vertical-align:top;
}
.article-body th{background:var(--tint);color:var(--ink-deep);font-weight:600;}
.article-body tr:first-child th{border-top:1px solid var(--line);}
.article-body strong{font-weight:700;color:var(--ink-deep);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}

/* ---------- sidebar ---------- */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px;
}
.side-card h3{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--text-2);
  margin-bottom:12px;
}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:11px 0;
  font-size:14px;
  color:var(--text);
  transition:color .2s ease;
}
.side-list a:hover{color:var(--ink);}
.side-list a svg{width:14px;height:14px;stroke:var(--disabled);flex:0 0 auto;transition:transform .2s ease,stroke .2s ease;}
.side-list a:hover svg{stroke:var(--accent);transform:translateX(2px);}
.side-cta{
  background:var(--ink-deep);
  border-radius:var(--r-card);
  padding:24px 22px;
  color:#fff;
}
.side-cta h3{
  font-size:16px;
  font-weight:600;
  color:#fff;
  letter-spacing:0;
  margin-bottom:8px;
}
.side-cta p{
  font-size:13px;
  line-height:1.7;
  color:rgba(255,255,255,.72);
  margin-bottom:16px;
}
.side-cta .btn{width:100%;padding:12px 18px;font-size:14px;}

/* ---------- tags + related ---------- */
.article-tail{margin-top:44px;}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:30px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  background:var(--tint);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.divider{height:1px;background:var(--line);border:none;margin:0 0 34px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:22px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.3;
  font-weight:700;
}
.section-head .link{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:4px;
  white-space:nowrap;
}
.section-head .link:hover{color:var(--accent);}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  margin-bottom:34px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.card:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
  border-color:rgba(18,86,74,.3);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EFEAE0;
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body .badge{
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  padding:3px 10px;
  border-radius:999px;
  background:var(--tint);
  color:var(--ink);
}
.card-body h3{
  font-size:16px;
  line-height:1.5;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body h3 a{color:var(--text);}
.card-body h3 a:hover{color:var(--ink);}
.card-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
  padding-top:6px;
  font-size:13px;
  color:var(--text-2);
}
.card-foot .date{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.card-foot svg{width:14px;height:14px;stroke:var(--disabled);}
.card-foot .go{color:var(--ink);font-weight:600;}
.card-foot .go:hover{color:var(--accent);}
.back-row{display:flex;}

/* ---------- empty state ---------- */
.empty-state{
  border:1px dashed var(--line);
  border-radius:12px;
  padding:48px 24px;
  text-align:center;
  background:#fff;
  max-width:42em;
}
.empty-state svg{
  width:40px;height:40px;
  stroke:var(--disabled);
  margin:0 auto 16px;
}
.empty-state .t{font-size:17px;font-weight:600;margin-bottom:6px;}
.empty-state .s{font-size:14px;color:var(--text-2);margin-bottom:20px;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink-deep);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  opacity:.22;
}
.cta-band .container{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding-top:clamp(38px,5vw,58px);
  padding-bottom:clamp(38px,5vw,58px);
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  font-weight:700;
  margin-bottom:8px;
}
.cta-band p{
  font-size:15px;
  color:rgba(255,255,255,.75);
  max-width:34em;
}
.cta-band .btn-primary{background:var(--accent);color:#fff;flex:0 0 auto;}
.cta-band .btn-primary:hover{background:#d87337;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:#FAF7F1;
  padding-top:clamp(48px,6vw,72px);
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#FAF7F1;margin-bottom:16px;}
.footer-brand .brand:hover{color:#FAF7F1;}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:30em;
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:#FAF7F1;
  padding-top:12px;
  border-top:2px solid var(--accent);
  display:inline-block;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul li a{color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 30px;
  font-size:12.5px;
  color:rgba(255,255,255,.6);
}
.footer-bottom p{max-width:46em;line-height:1.7;}

/* ---------- modal & form ---------- */
.modal{
  position:fixed;
  inset:0;
  z-index:200;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.modal.is-open{display:flex;}
.modal-mask{
  position:absolute;
  inset:0;
  background:rgba(11,31,26,.55);
}
.modal-card{
  position:relative;
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  width:100%;
  max-width:880px;
  max-height:90vh;
  background:var(--card);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:0 30px 70px -30px rgba(11,31,26,.6);
}
.modal-aside{
  background:var(--ink);
  color:#fff;
  padding:32px 28px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.modal-aside h3{font-size:20px;line-height:1.4;font-weight:700;color:#fff;}
.modal-aside ul{display:flex;flex-direction:column;gap:14px;}
.modal-aside li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.82);
}
.modal-aside li svg{width:18px;height:18px;stroke:var(--accent-soft);flex:0 0 auto;margin-top:3px;}
.modal-body{
  padding:30px 30px 32px;
  overflow-y:auto;
}
.modal-body h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.modal-body .lead{font-size:14px;color:var(--text-2);margin-bottom:20px;}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  z-index:3;
}
.modal-close svg{width:18px;height:18px;stroke:var(--text-2);}
.modal-close:hover{border-color:var(--ink);}
.modal-close:hover svg{stroke:var(--ink);}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--text);
}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  font-family:inherit;
  font-size:15px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2355635C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:16px;
  padding-right:40px;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(18,86,74,.18);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{
  border-color:var(--error);
  box-shadow:0 0 0 3px var(--error-soft);
}
.field .err{
  display:none;
  margin-top:6px;
  font-size:13px;
  color:var(--error);
}
.field.has-error .err{display:block;}
.field-check{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  line-height:1.7;
  color:var(--text-2);
  margin:4px 0 18px;
}
.field-check input[type="checkbox"]{
  appearance:none;
  width:18px;height:18px;
  flex:0 0 auto;
  margin-top:2px;
  border:1.5px solid var(--line);
  border-radius:5px;
  background:#fff;
  cursor:pointer;
  position:relative;
  transition:border-color .2s ease,background .2s ease;
}
.field-check input[type="checkbox"]:checked{
  background:var(--ink);
  border-color:var(--ink);
}
.field-check input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;
  left:5px;top:1px;
  width:5px;height:10px;
  border:solid #fff;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.field-check input[type="checkbox"]:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.field-check a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.form-success{
  display:none;
  text-align:center;
  padding:34px 10px;
}
.form-success.is-on{display:block;}
.form-success svg{
  width:48px;height:48px;
  stroke:var(--success);
  margin:0 auto 14px;
}
.form-success .t{font-size:17px;font-weight:600;margin-bottom:6px;}
.form-success .s{font-size:14px;color:var(--text-2);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side > *{flex:1 1 280px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .header-inner{gap:16px;}
  .nav-chips{gap:0;}
  .chip{padding:0 13px;font-size:13.5px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .nav-chips{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:8px 20px 16px;
    background:rgba(250,247,241,.99);
    border-radius:0;
    border-bottom:1px solid var(--line);
    box-shadow:0 12px 26px -20px rgba(11,31,26,.6);
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .nav-chips.is-open{display:flex;}
  .chip{
    height:48px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    justify-content:flex-start;
    padding:0 4px;
    font-size:15px;
  }
  .chip:last-child{border-bottom:none;}
  .chip.active{
    background:transparent;
    color:var(--ink);
    box-shadow:none;
    font-weight:700;
  }
  .chip.active:hover{background:transparent;color:var(--ink);}
  .chip:hover{background:transparent;color:var(--ink);}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .header-inner{height:64px;}
  .brand-text{font-size:14.5px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .brand-mark svg{width:18px;height:18px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band .container{flex-direction:column;align-items:flex-start;}
  .cta-band .btn-primary{width:100%;}
  .article-head{padding-bottom:20px;margin-bottom:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .modal{padding:0;align-items:flex-end;}
  .modal-card{
    grid-template-columns:minmax(0,1fr);
    max-width:100%;
    max-height:94vh;
    border-radius:16px 16px 0 0;
  }
  .modal-aside{padding:24px 20px;}
  .modal-aside h3{font-size:17px;}
  .modal-body{padding:24px 20px 28px;}
  .modal-close{position:sticky;top:10px;margin-left:auto;}
  .article-body{font-size:16px;line-height:1.85;}
}
@media (max-width:480px){
  .article-meta{font-size:12.5px;gap:9px;}
  .article-body h2{padding-left:10px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .card-body{padding:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --green:#12564A;
  --green-deep:#0B3A32;
  --tint:#DDEBE4;
  --clay:#C4622D;
  --clay-soft:#F6E2D5;
  --paper:#FAF7F1;
  --card:#FFFFFF;
  --line:#E5DFD3;
  --ink:#10201B;
  --ink-2:#55635C;
  --ink-3:#9AA5A0;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#B23B2E;
  --soft:#EFEAE0;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,31,26,.06), 0 10px 28px -18px rgba(11,31,26,.28);
  --sh-2:0 2px 4px rgba(11,31,26,.08), 0 18px 40px -22px rgba(11,31,26,.34);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --sec:clamp(56px,8vw,104px);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;}
a:hover{color:var(--clay);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--clay);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,247,241,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease;
}
.site-header.scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:72px;
  transition:height .28s ease;
}
.site-header.scrolled .header-inner{height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--green);}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--green);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{white-space:nowrap;}

.nav-chips{
  display:flex;
  align-items:center;
  gap:2px;
  background:var(--soft);
  padding:4px;
  border-radius:999px;
  margin-left:auto;
  margin-right:auto;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  border-radius:999px;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--green);background:var(--tint);}
.chip.active{
  background:var(--green);
  color:#fff;
  box-shadow:var(--sh-1);
}
.chip.active:hover{background:var(--green);color:#fff;}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--green);
}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;}
.nav-toggle:hover{background:var(--tint);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  padding:14px 26px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--clay);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);background:#A9521F;box-shadow:var(--sh-1);}
.btn-primary:disabled{background:var(--ink-3);box-shadow:none;transform:none;cursor:not-allowed;}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green);}
.btn-ghost:hover{background:rgba(18,86,74,.08);color:var(--green);}
.btn-ghost:active{background:rgba(18,86,74,.14);}
.btn-sm{padding:10px 18px;font-size:14px;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--green);
  border-bottom:1.5px solid rgba(18,86,74,.35);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--clay);border-color:var(--clay);}
.text-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- breadcrumb & page head ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  padding:24px 0 0;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .sep{color:var(--ink-3);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

.page-head{padding:clamp(28px,4vw,44px) 0 clamp(36px,5vw,60px);}
.page-head-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(32px,5vw,64px);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--green);
  background:var(--tint);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--clay);}
.page-head h1{margin-bottom:20px;}
.lead{
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:34em;
}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

.arch-wrap{position:relative;}
.arch-frame{
  position:relative;
  border-radius:999px 999px 12px 12px;
  overflow:hidden;
  aspect-ratio:3/4;
  background:var(--soft);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
}
.arch-frame img{width:100%;height:100%;object-fit:cover;}
.arch-badge{
  position:absolute;
  left:18px;bottom:18px;
  background:rgba(250,247,241,.95);
  border-radius:8px;
  padding:6px 12px;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--green);
}
.arch-grid{
  position:absolute;
  inset:auto -18px -18px auto;
  width:110px;height:110px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  border-radius:0 0 12px 0;
  opacity:.7;
  pointer-events:none;
}

/* ---------- split sections ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding:0 0 var(--sec);}
.section-label{
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--clay);
  display:inline-block;
  margin-bottom:14px;
}
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(32px,5vw,64px);
  align-items:center;
}
.split + .split{margin-top:clamp(48px,7vw,88px);}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}

.split-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--soft);
  aspect-ratio:4/3;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.split-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.split-media:hover img{transform:scale(1.03);}
.split-media .tag{
  position:absolute;
  top:16px;left:16px;
  background:rgba(250,247,241,.94);
  color:var(--green);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  padding:5px 12px;
  border-radius:999px;
}
.split-body h2{margin-bottom:16px;}
.split-body > p{color:var(--ink-2);max-width:34em;}

.points{margin:24px 0 26px;display:grid;gap:14px;}
.points li{display:flex;gap:12px;font-size:15.5px;line-height:1.75;color:var(--ink-2);}
.points li b{color:var(--ink);font-weight:600;}
.point-num{
  flex:0 0 auto;
  width:24px;height:24px;
  margin-top:3px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:6px;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  color:var(--green);
  background:#fff;
}

/* ---------- notice strip ---------- */
.notice-section{padding:0 0 var(--sec);}
.notice-head{max-width:36em;margin-bottom:32px;}
.notice-head h2{margin-bottom:14px;}
.notice-head p{color:var(--ink-2);}
.notice-list{display:grid;gap:16px;}
.notice-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--tint);
  border-left:3px solid var(--green);
  border-radius:10px;
  padding:18px 22px;
}
.notice-item .num{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--green);
  padding-top:2px;
  flex:0 0 auto;
}
.notice-item p{font-size:15.5px;line-height:1.75;color:var(--ink);max-width:52em;}

/* ---------- faq ---------- */
.faq-section{padding:0 0 var(--sec);}
.faq-head{max-width:36em;margin-bottom:28px;}
.faq-head h2{margin-bottom:12px;}
.faq-head p{color:var(--ink-2);}
.faq{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  padding:0 24px;
  box-shadow:var(--sh-1);
}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:none;}
.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:18px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--green);}
.faq .plus{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  transition:transform .25s ease;
}
.faq .plus::before,
.faq .plus::after{
  content:"";
  position:absolute;
  background:var(--green);
  border-radius:2px;
}
.faq .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq .plus::after{left:10px;top:0;width:2px;height:22px;transition:opacity .25s ease;}
.faq details[open] .plus{transform:rotate(180deg);}
.faq details[open] .plus::after{opacity:0;}
.faq .answer{
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:44em;
  padding:0 0 22px;
}

/* ---------- cta ---------- */
.cta-section{padding:0 0 clamp(56px,8vw,96px);}
.cta-bar{
  background:var(--green-deep);
  color:#FAF7F1;
  border-radius:16px;
  padding:clamp(28px,4vw,44px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh-2);
}
.cta-bar h2{color:#fff;margin-bottom:10px;}
.cta-bar p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:36em;}
.privacy-line{
  margin-top:18px;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-2);
  max-width:46em;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--green-deep);
  color:#FAF7F1;
  padding:clamp(48px,6vw,72px) 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
}
.footer-brand .brand{color:#FAF7F1;margin-bottom:18px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand p{
  color:rgba(255,255,255,.72);
  font-size:14px;
  line-height:1.8;
  max-width:32em;
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:#fff;
  padding-top:14px;
  position:relative;
  margin-bottom:18px;
}
.footer-col h4::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:26px;height:2px;
  background:var(--clay);
  border-radius:2px;
}
.footer-col li{margin-bottom:12px;}
.footer-col a,
.footer-col span{
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:clamp(32px,5vw,52px);
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.footer-bottom p{
  font-size:12.5px;
  color:rgba(255,255,255,.6);
}
.footer-bottom .meta p{font-size:12.5px;}

/* ---------- modal ---------- */
.modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.modal.open{display:flex;}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(11,31,26,.55);
  border:0;
  padding:0;
  width:100%;
  height:100%;
}
.modal-card{
  position:relative;
  z-index:1;
  width:100%;
  max-width:880px;
  max-height:90vh;
  background:#fff;
  border-radius:16px;
  overflow:hidden;
  display:grid;
  grid-template-columns:320px 1fr;
  box-shadow:0 30px 80px -30px rgba(11,31,26,.6);
}
.modal-aside{
  background:var(--green);
  color:#fff;
  padding:32px 28px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.modal-aside h3{color:#fff;font-size:20px;}
.modal-aside ul{display:grid;gap:14px;}
.modal-aside li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.86);
}
.modal-aside li .tick{
  flex:0 0 auto;
  width:18px;height:18px;
  margin-top:3px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.modal-aside li .tick svg{width:11px;height:11px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.modal-body{padding:32px;overflow:auto;}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  z-index:2;
}
.modal-close:hover{background:var(--soft);color:var(--ink);}
.modal-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;}

.form-grid{display:grid;gap:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--ink);
}
.field input,
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:12px 14px;
  font-size:15px;
  background:#fff;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,
.field select{height:48px;}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(18,86,74,.18);
}
.field input:invalid:not(:placeholder-shown){border-color:var(--err);}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2355635C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:18px;
  padding-right:42px;
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.7;color:var(--ink-2);}
.check-row input{
  appearance:none;
  width:18px;height:18px;
  flex:0 0 auto;
  margin-top:3px;
  border:1.5px solid var(--line);
  border-radius:5px;
  background:#fff;
  transition:background .2s ease,border-color .2s ease;
}
.check-row input:checked{
  background:var(--green);
  border-color:var(--green);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 13 4 4L19 7'/%3E%3C/svg%3E");
  background-size:13px;
  background-repeat:no-repeat;
  background-position:center;
}
.check-row a{color:var(--green);border-bottom:1px solid rgba(18,86,74,.4);}
.check-row a:hover{color:var(--clay);border-color:var(--clay);}
.form-note{font-size:12.5px;color:var(--ink-2);line-height:1.7;}
.form-success{
  display:none;
  text-align:center;
  padding:32px 8px;
}
.form-success.show{display:block;}
.form-success .ok-mark{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  background:rgba(47,125,91,.12);
  color:var(--ok);
  display:flex;
  align-items:center;
  justify-content:center;
}
.form-success .ok-mark svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.form-success h3{margin-bottom:10px;}
.form-success p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-chips{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:8px 24px 16px;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    border-radius:0;
    box-shadow:var(--sh-2);
  }
  .nav-chips.open{display:flex;}
  .nav-chips .chip{
    height:48px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    padding:0 4px;
    font-size:15px;
    justify-content:flex-start;
  }
  .nav-chips .chip:last-child{border-bottom:none;}
  .nav-chips .chip.active{background:transparent;color:var(--green);box-shadow:none;}
  .nav-toggle{display:inline-flex;}
  .page-head-grid{grid-template-columns:1fr;gap:36px;}
  .arch-wrap{max-width:420px;}
  .arch-frame{aspect-ratio:16/10;border-radius:999px 999px 12px 12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .modal-card{grid-template-columns:1fr;max-width:560px;overflow:auto;}
  .modal-aside{padding:24px;}
}

@media (max-width:768px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .header-inner{gap:12px;height:64px;}
  .site-header.scrolled .header-inner{height:60px;}
  .brand-text{font-size:14.5px;}
  .header-actions .btn-sm{padding:9px 12px;font-size:13px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .split.reverse .split-body{order:1;}
  .split-media{aspect-ratio:16/10;}
  .cta-bar{flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-bar .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq{padding:0 18px;}
  .head-actions .btn{width:100%;}
  .modal{padding:0;align-items:flex-end;}
  .modal-card{
    max-width:100%;
    max-height:92vh;
    border-radius:16px 16px 0 0;
    display:block;
    overflow:auto;
  }
  .modal-aside{padding:22px 20px;}
  .modal-body{padding:22px 20px 32px;}
  .modal-close{top:10px;right:10px;}
}

@media (max-width:520px){
  .header-actions .btn-sm{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .notice-item{flex-direction:row;padding:16px 16px;}
  .page-head{padding-top:20px;}
  .arch-frame{aspect-ratio:4/3;}
  .breadcrumb{font-size:12.5px;gap:6px;}
  .points li{font-size:15px;}
}

/* roulang page: category2 */
/* ============ 1. 设计变量 ============ */
:root{
  --primary:#12564A;
  --primary-deep:#0B3A32;
  --tint:#DDEBE4;
  --accent:#C4622D;
  --accent-soft:#F6E2D5;
  --bg:#FAF7F1;
  --surface:#FFFFFF;
  --border:#E5DFD3;
  --chip-bg:#EFEAE0;
  --text:#10201B;
  --muted:#55635C;
  --disabled:#9AA5A0;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#B23B2E;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --sh-1:0 1px 2px rgba(11,31,26,.06),0 10px 28px -18px rgba(11,31,26,.28);
  --sh-2:0 2px 4px rgba(11,31,26,.08),0 18px 40px -22px rgba(11,31,26,.34);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --space-section:clamp(56px,8vw,104px);
  --header-h:72px;
}

/* ============ 2. 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.form-open{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 3. 通用排版 ============ */
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;font-weight:700;letter-spacing:0}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:16px;line-height:1.5;font-weight:600}
p{line-height:1.8}
.lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:36em}
.eyebrow{
  display:inline-block;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);
  padding:5px 12px;
  background:var(--tint);
  border-radius:999px;
  margin-bottom:14px;
}
.tag{
  display:inline-block;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);
  background:var(--tint);
  padding:5px 12px;
  border-radius:999px;
}
.section{padding:var(--space-section) 0}
.section-alt{background:#F3EFE6}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-note{max-width:32em;font-size:14px;line-height:1.75;color:var(--muted)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  border-bottom:1px solid rgba(18,86,74,.35);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--accent);border-color:var(--accent)}
.link-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.link-more:hover svg{transform:translateX(3px)}

/* ============ 4. 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--primary);color:#FFFFFF;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--accent);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{background:#A54F22;transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(18,86,74,.08);color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(18,86,74,.14);transform:translateY(0)}
.btn-ghost-light{background:transparent;border-color:rgba(250,247,241,.6);color:#FAF7F1}
.btn-ghost-light:hover{background:rgba(250,247,241,.12);color:#FFFFFF;transform:translateY(-1px);border-color:#FAF7F1}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{background:var(--disabled);color:#FFFFFF;box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 5. 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,247,241,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(11,31,26,.5)}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:var(--header-h);
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  display:grid;place-items:center;
  width:36px;height:36px;
  background:var(--primary);
  border-radius:10px;
  flex-shrink:0;
  transition:background-color .2s ease;
}
.brand-mark svg{width:21px;height:21px;stroke:#FAF7F1;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand:hover .brand-mark{background:var(--primary-deep)}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-chips{
  display:flex;
  align-items:center;
  gap:4px;
  padding:4px;
  margin-left:auto;
  background:var(--chip-bg);
  border-radius:999px;
}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 15px;
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  border-radius:999px;
  background:transparent;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--primary);background:var(--tint)}
.chip.active{background:var(--primary);color:#FFFFFF;box-shadow:var(--sh-1)}
.chip.active:hover{background:var(--primary-deep);color:#FFFFFF}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--border);
  border-radius:10px;
  align-items:center;
  justify-content:center;
  background:var(--surface);
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--primary);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 6. 页头 ============ */
.page-head{
  padding:clamp(32px,5vw,56px) 0 clamp(40px,6vw,72px);
  background:
    radial-gradient(1000px 420px at 88% -10%,rgba(18,86,74,.10),rgba(18,86,74,0) 62%),
    var(--bg);
  border-bottom:1px solid var(--border);
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:28px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span[aria-current]{color:var(--text);font-weight:600}
.breadcrumb .sep{color:#B9B2A4}
.page-head-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:56px;
  align-items:center;
}
.page-head-copy .tag{margin-bottom:18px}
.page-head-copy h1{max-width:22em}
.page-head-copy .lead{margin-top:18px;max-width:34em}
.page-head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.micro-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid var(--border);
}
.micro-list li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.micro-list svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.arch-figure{
  position:relative;
  border-radius:999px 999px 12px 12px;
  overflow:hidden;
  border:1px solid var(--border);
  background:#EFEAE0;
  box-shadow:var(--sh-1);
}
.arch-figure img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  transition:transform .5s ease;
}
.arch-figure:hover img{transform:scale(1.03)}
.arch-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--primary);
  background:rgba(250,247,241,.94);
  border:1px solid var(--border);
  border-radius:8px;
  padding:6px 12px;
}

/* ============ 7. 功能区速览 ============ */
.module-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:24px;
  align-items:stretch;
}
.module-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--sh-1);
  padding:26px;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.module-card:hover{
  border-color:rgba(18,86,74,.3);
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}
.module-card--wide{
  grid-row:span 2;
  display:flex;
  flex-direction:column;
  padding:0;
  overflow:hidden;
}
.module-card--wide .thumb{
  background:#EFEAE0;
  overflow:hidden;
}
.module-card--wide .thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.module-card--wide:hover .thumb img{transform:scale(1.03)}
.module-card--wide .body{padding:26px;display:flex;flex-direction:column;gap:14px;flex:1}
.module-card .num{
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--primary);
  border:1px solid rgba(18,86,74,.28);
  border-radius:6px;
  padding:3px 9px;
  display:inline-block;
  margin-bottom:14px;
}
.module-card h3{margin-bottom:8px}
.module-card p{font-size:15px;color:var(--muted);line-height:1.75}
.check-list{margin-top:16px;display:grid;gap:10px}
.check-list li{
  position:relative;
  padding-left:24px;
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:11px;height:6px;
  border-left:1.5px solid var(--primary);
  border-bottom:1.5px solid var(--primary);
  transform:rotate(-45deg);
}

/* ============ 8. 时间轴与侧栏 ============ */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  align-items:start;
}
.timeline{position:relative;padding-top:6px}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;
  top:24px;
  bottom:24px;
  width:1px;
  background:linear-gradient(180deg,rgba(229,223,211,0),var(--border) 12%,var(--border) 88%,rgba(229,223,211,0));
}
.tl-item{
  position:relative;
  padding:0 0 40px 74px;
}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;
  left:0;top:0;
  width:48px;height:48px;
  display:grid;place-items:center;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--primary);
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  z-index:1;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.tl-item:hover .tl-num{background:var(--primary);color:#FFFFFF;border-color:var(--primary)}
.tl-item h3{margin-bottom:10px}
.tl-item p{font-size:15.5px;color:var(--muted);line-height:1.8;max-width:36em}
.tl-item p + p{margin-top:8px}
.tl-note{
  display:inline-flex;
  align-items:flex-start;
  gap:8px;
  margin-top:12px;
  padding:9px 14px;
  font-size:13.5px!important;
  color:var(--primary)!important;
  background:var(--tint);
  border-radius:8px;
  line-height:1.65!important;
}
.tl-note svg{width:15px;height:15px;flex-shrink:0;margin-top:3px;stroke:var(--primary);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.side-col{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--primary-deep);
  color:#FAF7F1;
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--sh-1);
}
.side-card h3{color:#FAF7F1;font-size:18px;margin-bottom:6px}
.side-card .side-sub{font-size:13px;color:rgba(255,255,255,.66);line-height:1.7;margin-bottom:18px}
.side-card ul{display:grid;gap:12px;margin-bottom:22px}
.side-card li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.86);
}
.side-card li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:8px;height:1.5px;
  background:var(--accent);
}
.side-card-light{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--sh-1);
}
.side-card-light h4{margin-bottom:12px;font-size:15px}
.side-card-light ul{display:grid;gap:0}
.side-card-light li{border-top:1px solid var(--border)}
.side-card-light li:first-child{border-top:0}
.side-card-light a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 0;
  font-size:14px;
  color:var(--muted);
  transition:color .2s ease,padding-left .2s ease;
}
.side-card-light a:hover{color:var(--primary);padding-left:4px}
.side-card-light a svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* ============ 9. 提示条 ============ */
.note-list{display:grid;gap:16px}
.note-strip{
  display:flex;
  align-items:flex-start;
  gap:16px;
  background:var(--tint);
  border-left:3px solid var(--primary);
  border-radius:10px;
  padding:20px 24px;
}
.note-strip .ico{
  flex-shrink:0;
  width:34px;height:34px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.75);
  border-radius:9px;
}
.note-strip .ico svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.note-strip h3{font-size:16px;margin-bottom:4px}
.note-strip p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ============ 10. FAQ ============ */
.faq-wrap{
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:0 24px;
  box-shadow:var(--sh-1);
}
.faq-item{border-top:1px solid var(--border)}
.faq-item:first-child{border-top:0}
.faq-item summary{
  position:relative;
  display:flex;
  align-items:center;
  min-height:56px;
  padding:14px 44px 14px 0;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::before,
.faq-item summary::after{
  content:"";
  position:absolute;
  right:14px;
  top:50%;
  background:var(--primary);
  transition:transform .3s ease,opacity .3s ease,background-color .2s ease;
}
.faq-item summary::before{
  width:14px;height:1.6px;
  transform:translateY(-50%);
}
.faq-item summary::after{
  width:1.6px;height:14px;
  transform:translateY(-50%);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.faq-item[open] summary{color:var(--primary)}
.faq-item .answer{
  padding:0 0 20px 0;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
  max-width:42em;
}

/* ============ 11. 底部 CTA ============ */
.cta-band{
  position:relative;
  background-image:linear-gradient(rgba(11,58,50,.94),rgba(11,58,50,.94)),url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
  color:#FAF7F1;
  padding:clamp(48px,6vw,76px) 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-inner h2{color:#FAF7F1;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}

/* ============ 12. 表单弹层 ============ */
.modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:24px}
.modal[hidden]{display:none}
.modal-backdrop{
  position:absolute;inset:0;
  background:rgba(11,31,26,.55);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
}
.modal-dialog{
  position:relative;
  width:100%;
  max-width:880px;
  max-height:92vh;
  overflow:auto;
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  background:var(--surface);
  border-radius:16px;
  box-shadow:0 30px 80px -30px rgba(11,31,26,.6);
  animation:pop .22s ease;
}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.99)}to{opacity:1;transform:none}}
.modal-aside{
  background:var(--primary-deep);
  color:#FAF7F1;
  padding:32px 28px;
}
.modal-aside h3{color:#FAF7F1;font-size:19px;margin-bottom:10px}
.modal-aside .aside-note{font-size:13px;line-height:1.75;color:rgba(255,255,255,.7);margin-bottom:22px}
.modal-aside ul{display:grid;gap:14px}
.modal-aside li{
  position:relative;
  padding-left:20px;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.86);
}
.modal-aside li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:1.5px;
  background:var(--accent);
}
.modal-body{padding:32px;position:relative}
.modal-close{
  position:absolute;
  top:16px;right:16px;
  width:40px;height:40px;
  display:grid;place-items:center;
  border:1px solid var(--border);
  border-radius:50%;
  background:var(--surface);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.modal-close svg{width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.9;stroke-linecap:round}
.modal-close:hover{background:var(--tint);border-color:var(--primary)}
.modal-close:hover svg{stroke:var(--primary)}
.modal-body h4{font-size:18px;margin-bottom:6px}
.modal-body .form-hint{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:7px;
}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-btn);
  font-size:15px;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2355635C' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:16px;
  padding-right:40px;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(18,86,74,.18);
}
.field .err-text{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.has-error input,
.field.has-error textarea,
.field.has-error select{border-color:var(--err);box-shadow:0 0 0 3px rgba(178,59,46,.12)}
.field.has-error .err-text{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 20px}
.check-row input[type="checkbox"]{
  appearance:none;
  width:20px;height:20px;
  flex-shrink:0;
  margin-top:3px;
  border:1.5px solid var(--border);
  border-radius:6px;
  background:var(--surface);
  transition:background-color .18s ease,border-color .18s ease;
  cursor:pointer;
  position:relative;
}
.check-row input[type="checkbox"]:checked{background:var(--primary);border-color:var(--primary)}
.check-row input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;
  left:6px;top:2px;
  width:6px;height:11px;
  border-right:1.8px solid #FFFFFF;
  border-bottom:1.8px solid #FFFFFF;
  transform:rotate(42deg);
}
.check-row label{font-size:13.5px;line-height:1.7;color:var(--muted)}
.check-row label a{color:var(--primary);border-bottom:1px solid rgba(18,86,74,.35);padding-bottom:1px}
.check-row label a:hover{color:var(--accent);border-color:var(--accent)}
.form-done{
  text-align:center;
  padding:36px 12px;
}
.form-done .ok-ico{
  width:56px;height:56px;
  margin:0 auto 16px;
  display:grid;place-items:center;
  background:rgba(47,125,91,.12);
  border-radius:50%;
}
.form-done .ok-ico svg{width:26px;height:26px;stroke:var(--ok);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.form-done h4{margin-bottom:8px}
.form-done p{font-size:14px;color:var(--muted);line-height:1.75}

/* ============ 13. 页脚 ============ */
.site-footer{
  background:var(--primary-deep);
  color:#FAF7F1;
  padding:clamp(48px,6vw,72px) 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand .brand{color:#FAF7F1}
.footer-brand .brand-text{color:#FAF7F1}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  max-width:30em;
}
.footer-col h4{
  position:relative;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:#FAF7F1;
  padding-top:12px;
  margin-bottom:16px;
}
.footer-col h4::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:24px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a,
.footer-col span{
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
}
.footer-col a:hover{color:#FFFFFF}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.footer-bottom p{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-bottom .meta p{color:rgba(255,255,255,.5)}

/* ============ 14. 响应式 ============ */
@media (max-width:1280px){
  .page-head-grid{gap:40px;grid-template-columns:minmax(0,1fr) 300px}
  .split{gap:40px;grid-template-columns:minmax(0,1fr) 290px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .page-head-grid{grid-template-columns:1fr;gap:32px}
  .arch-figure{max-width:340px;order:-1}
  .arch-figure img{aspect-ratio:16/10;border-radius:999px 999px 12px 12px}
  .split{grid-template-columns:1fr;gap:32px}
  .side-col{position:static}
  .module-grid{grid-template-columns:1fr 1fr}
  .module-card--wide{grid-row:auto;grid-column:1/-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .header-inner{gap:16px;height:64px}
  .site-header.is-scrolled .header-inner{height:60px}
  .nav-chips{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:8px 20px 14px;
    background:var(--bg);
    border-bottom:1px solid var(--border);
    border-radius:0;
    box-shadow:0 18px 30px -24px rgba(11,31,26,.6);
  }
  .nav-chips.is-open{display:flex}
  .nav-chips .chip{
    justify-content:flex-start;
    height:48px;
    padding:0 14px;
    border-radius:8px;
    border-bottom:1px solid var(--border);
    font-size:15px;
  }
  .nav-chips .chip:last-child{border-bottom:0}
  .nav-chips .chip.active{background:var(--primary);color:#FFFFFF;border-bottom-color:transparent}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .brand-text{font-size:15px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .header-actions .btn-sm{padding:9px 14px;font-size:13px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .page-head{padding:24px 0 40px}
  .breadcrumb{margin-bottom:20px}
  .page-head-actions .btn{width:100%}
  .micro-list{gap:10px 18px;margin-top:24px;padding-top:20px}
  .module-grid{grid-template-columns:1fr}
  .timeline::before{left:19px}
  .tl-item{padding-left:62px;padding-bottom:32px}
  .tl-num{width:40px;height:40px;font-size:13px;border-radius:10px}
  .faq-wrap{padding:0 18px}
  .faq-item summary{font-size:15px;padding-right:36px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .modal{padding:0;place-items:end stretch}
  .modal-dialog{
    grid-template-columns:1fr;
    max-width:none;
    max-height:94vh;
    border-radius:16px 16px 0 0;
  }
  .modal-aside{padding:22px 22px}
  .modal-aside ul{display:none}
  .modal-aside .aside-note{margin-bottom:0}
  .modal-body{padding:24px 22px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .brand-text{font-size:14px;max-width:128px;overflow:hidden;text-overflow:ellipsis}
  .brand-mark{width:32px;height:32px}
  .header-actions .btn-sm{display:none}
  .module-card{padding:20px}
  .module-card--wide .body{padding:20px}
  .side-card,.side-card-light{padding:22px}
  .note-strip{padding:16px 18px;gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .arch-figure{max-width:none}
}

/* roulang page: category3 */
:root{
  --ink:#10201B;
  --ink-2:#55635C;
  --muted:#9AA5A0;
  --paper:#FAF7F1;
  --surface:#FFFFFF;
  --line:#E5DFD3;
  --sand:#EFEAE0;
  --green:#12564A;
  --green-deep:#0B3A32;
  --green-tint:#DDEBE4;
  --clay:#C4622D;
  --clay-soft:#F6E2D5;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --danger:#B23B2E;
  --radius-card:14px;
  --radius-btn:10px;
  --sh-1:0 1px 2px rgba(11,31,26,.06),0 10px 28px -18px rgba(11,31,26,.28);
  --sh-2:0 2px 4px rgba(11,31,26,.08),0 18px 40px -22px rgba(11,31,26,.34);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --sec-y:clamp(56px,8vw,104px);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;}
a:hover{color:var(--clay);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:3px solid var(--clay);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,247,241,.94);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  transition:box-shadow .25s ease,border-color .25s ease,height .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px -18px rgba(11,31,26,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--green);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}

.nav-chips{
  display:flex;
  align-items:center;
  gap:2px;
  padding:4px;
  background:var(--sand);
  border-radius:999px;
  margin:0 auto;
}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--green);background:var(--green-tint);}
.chip.active{
  background:var(--green);
  color:#fff;
  box-shadow:var(--sh-1);
}
.chip.active:hover{background:var(--green-deep);color:#fff;}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  background:var(--surface);
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink);}
.nav-toggle:hover{border-color:var(--green);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:14px 26px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  text-align:center;
}
.btn-primary{
  background:var(--green);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{
  background:var(--clay);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{background:#A9521F;transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--green);
  color:var(--green);
}
.btn-ghost:hover{background:rgba(18,86,74,.08);color:var(--green);}
.btn-ghost:active{background:rgba(18,86,74,.14);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn[disabled]{background:var(--muted);color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--green);
  border-bottom:1.5px solid rgba(18,86,74,.35);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;}
.link-arrow:hover{color:var(--clay);border-color:var(--clay);}

/* ---------- shared bits ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--green-tint);
  color:var(--green);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  line-height:1.4;
}
.num-tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:34px;
  height:26px;
  padding:0 8px;
  border:1px solid var(--green);
  border-radius:4px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--green);
  background:transparent;
}
.section{padding:var(--sec-y) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:0;
  margin-bottom:14px;
}
.section-head p{color:var(--ink-2);font-size:16px;line-height:1.8;max-width:36em;}

/* ---------- page hero ---------- */
.page-hero{
  padding:36px 0 var(--sec-y);
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:28px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .sep{color:var(--muted);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.25;
  font-weight:700;
  margin:18px 0 20px;
  max-width:16em;
}
.hero-copy p.lead{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:34em;
  margin-bottom:28px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.fact{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  color:var(--ink-2);
  box-shadow:var(--sh-1);
}
.fact svg{width:16px;height:16px;stroke:var(--green);}

.hero-visual{position:relative;}
.arch{
  border-radius:999px 999px 12px 12px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--sand);
  aspect-ratio:3/4;
  box-shadow:var(--sh-1);
}
.arch img{width:100%;height:100%;object-fit:cover;}
.hero-visual .corner-tag{
  position:absolute;
  left:-14px;
  bottom:26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  padding:10px 14px;
  box-shadow:var(--sh-2);
  font-size:13px;
  color:var(--ink-2);
  display:flex;
  align-items:center;
  gap:10px;
}
.hero-visual .corner-tag strong{
  font-family:var(--font-num);
  font-size:16px;
  color:var(--clay);
  font-variant-numeric:tabular-nums;
}

/* ---------- split cards 2:1 ---------- */
.split-cards{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:24px;
  align-items:stretch;
}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;
  flex-direction:column;
}
.info-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(18,86,74,.3);
}
.info-card h2,.info-card h3{
  font-size:21px;
  line-height:1.45;
  font-weight:600;
  margin:16px 0 12px;
}
.info-card p{color:var(--ink-2);font-size:16px;line-height:1.8;max-width:36em;}
.info-card .card-foot{margin-top:auto;padding-top:20px;}
.info-card.tint{background:var(--green-tint);border-color:rgba(18,86,74,.22);}
.info-card.tint p{color:#28594E;}

.mini-list{margin-top:18px;display:grid;gap:12px;}
.mini-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  line-height:1.7;
  color:var(--ink-2);
}
.mini-list li svg{
  flex:0 0 auto;
  width:18px;height:18px;
  margin-top:5px;
  stroke:var(--green);
}

/* ---------- compare table ---------- */
.table-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:15px;
}
table.compare caption{
  text-align:left;
  padding:22px 26px 0;
  font-size:13px;
  letter-spacing:.08em;
  font-weight:600;
  color:var(--ink-2);
}
table.compare th,table.compare td{
  text-align:left;
  padding:18px 26px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  line-height:1.7;
}
table.compare thead th{
  background:var(--green-tint);
  color:var(--green);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  border-bottom:1px solid rgba(18,86,74,.22);
  white-space:nowrap;
}
table.compare tbody th{
  font-weight:600;
  color:var(--ink);
  width:22%;
}
table.compare tbody td{color:var(--ink-2);}
table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:#FCFAF5;}
.cell-strong{color:var(--green);font-weight:600;}
.table-hint{
  padding:14px 26px;
  font-size:13px;
  color:var(--ink-2);
  background:#FCFAF5;
  border-top:1px solid var(--line);
}

/* ---------- tips ---------- */
.tips{display:grid;gap:16px;margin-top:32px;}
.tip{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--green-tint);
  border-left:3px solid var(--green);
  border-radius:10px;
  padding:20px 24px;
}
.tip .tip-index{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:700;
  color:var(--green);
  letter-spacing:.08em;
  padding-top:2px;
  flex:0 0 auto;
}
.tip h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:4px;}
.tip p{font-size:15px;line-height:1.75;color:#28594E;max-width:44em;}

/* ---------- checklist ---------- */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin-top:8px;
}
.check-item{
  display:flex;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.check-item:hover{
  border-color:rgba(18,86,74,.3);
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}
.check-item h3{font-size:16px;font-weight:600;margin-bottom:6px;line-height:1.5;}
.check-item p{font-size:14px;line-height:1.75;color:var(--ink-2);}

/* ---------- faq ---------- */
.faq-box{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:0 24px;
  box-shadow:var(--sh-1);
}
details.faq{
  border-bottom:1px solid var(--line);
}
details.faq:last-child{border-bottom:0;}
details.faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:16px 0;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  list-style:none;
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary:hover{color:var(--green);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:20px;height:20px;
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--green);
  border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:1.75px;}
.faq-icon::after{left:9px;top:0;width:1.75px;height:20px;transition:opacity .25s ease;}
details[open] .faq-icon::after{opacity:0;}
details[open] .faq-icon{transform:rotate(180deg);}
details.faq .faq-body{
  padding:0 0 22px;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:44em;
}

/* ---------- cta bar ---------- */
.cta-bar{
  background:var(--green-deep);
  color:#FAF7F1;
  border-radius:18px;
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-bar::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:220px;height:220px;
  border:1px solid rgba(250,247,241,.16);
  border-radius:999px;
  pointer-events:none;
}
.cta-bar h2{
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.4;
  font-weight:700;
  margin-bottom:8px;
}
.cta-bar p{
  font-size:15px;
  line-height:1.75;
  color:rgba(255,255,255,.72);
  max-width:40em;
}
.cta-bar .btn-primary{background:var(--clay);flex:0 0 auto;}
.cta-bar .btn-primary:hover{background:#D9743B;color:#0B3A32;}

.privacy-note{
  margin-top:28px;
  padding:22px 26px;
  border:1px dashed var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.6);
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:56em;
}
.privacy-note strong{color:var(--ink);font-weight:600;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--green-deep);
  color:rgba(255,255,255,.82);
  padding:clamp(48px,6vw,72px) 0 28px;
  margin-top:var(--sec-y);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{color:#FAF7F1;margin-bottom:16px;}
.footer-brand .brand-text{color:#FAF7F1;}
.footer-brand .brand-mark{background:rgba(250,247,241,.12);border:1px solid rgba(250,247,241,.24);}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  max-width:30em;
}
.footer-col h4{
  position:relative;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:#FAF7F1;
  padding-top:12px;
  margin-bottom:18px;
}
.footer-col h4::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:26px;height:2px;
  background:var(--clay);
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col span{
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.72);
}
.footer-col a:hover{color:#FAF7F1;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;}
.footer-bottom .meta p{font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- modal form ---------- */
.modal-mask{
  position:fixed;
  inset:0;
  background:rgba(11,31,26,.55);
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  z-index:120;
}
.modal-mask.is-open{display:flex;}
.modal{
  width:100%;
  max-width:880px;
  max-height:90vh;
  background:var(--surface);
  border-radius:18px;
  overflow:hidden;
  display:grid;
  grid-template-columns:320px 1fr;
  box-shadow:0 40px 80px -30px rgba(11,31,26,.6);
  position:relative;
}
.modal-aside{
  background:var(--green);
  color:#FAF7F1;
  padding:36px 30px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.modal-aside h3{font-size:20px;line-height:1.45;font-weight:700;}
.modal-aside p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.75);}
.modal-aside ul{display:grid;gap:12px;margin-top:auto;}
.modal-aside li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.85);
}
.modal-aside li svg{flex:0 0 auto;width:16px;height:16px;margin-top:5px;stroke:var(--clay-soft);}
.modal-body{padding:36px 34px;overflow-y:auto;}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:40px;height:40px;
  border-radius:50%;
  background:var(--sand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  z-index:2;
  transition:background .2s ease,transform .2s ease;
}
.modal-close:hover{background:var(--clay-soft);transform:rotate(90deg);}
.modal-close svg{width:18px;height:18px;stroke:var(--ink);}

.form-grid{display:grid;gap:18px;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  font-size:15px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(18,86,74,.18);
}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2355635C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:18px;
  padding-right:42px;
}
.check-row{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-2);
}
.check-row input[type="checkbox"]{
  appearance:none;
  flex:0 0 auto;
  width:18px;height:18px;
  margin-top:3px;
  border:1.5px solid var(--line);
  border-radius:5px;
  background:#fff;
  position:relative;
  transition:border-color .2s ease,background .2s ease;
  cursor:pointer;
}
.check-row input[type="checkbox"]:checked{
  background:var(--green);
  border-color:var(--green);
}
.check-row input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;
  left:5px;top:1px;
  width:5px;height:10px;
  border:solid #fff;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.check-row a{color:var(--green);text-decoration:underline;text-underline-offset:3px;}
.check-row a:hover{color:var(--clay);}
.form-success{
  display:none;
  text-align:center;
  padding:40px 10px;
}
.form-success.is-on{display:block;}
.form-success svg{width:52px;height:52px;stroke:var(--ok);margin:0 auto 18px;}
.form-success h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.form-success p{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-toggle{display:inline-flex;}
  .nav-chips{
    position:fixed;
    top:72px;
    left:0;right:0;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 24px 20px;
    background:var(--paper);
    border-radius:0 0 18px 18px;
    box-shadow:0 24px 40px -28px rgba(11,31,26,.55);
    border-bottom:1px solid var(--line);
    display:none;
    z-index:70;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  body.nav-open .nav-chips{display:flex;}
  .header-inner{height:66px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .nav-chips .chip{
    height:48px;
    justify-content:flex-start;
    border-radius:8px;
    border-bottom:1px solid var(--line);
    padding:0 8px;
    font-size:15px;
  }
  .nav-chips .chip:last-child{border-bottom:0;}
  .nav-chips .chip.active{border-bottom-color:transparent;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-width:380px;}
  .split-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .brand-text{font-size:15px;}
  .header-actions .btn-sm{padding:9px 14px;font-size:13px;}
  .page-hero{padding:24px 0 clamp(40px,9vw,64px);}
  .hero-copy h1{font-size:clamp(26px,7vw,34px);}
  .hero-facts{gap:8px;}
  .fact{font-size:12px;padding:7px 12px;}
  .hero-visual .corner-tag{left:0;bottom:14px;padding:8px 12px;}
  .check-grid{grid-template-columns:1fr;}
  .info-card{padding:24px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:22px;}
  .cta-bar .btn-primary{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal{
    grid-template-columns:1fr;
    max-height:92vh;
    border-radius:16px 16px 0 0;
  }
  .modal-aside{padding:26px 22px;gap:12px;}
  .modal-aside ul{margin-top:8px;}
  .modal-body{padding:26px 22px 34px;}
  .modal-close{top:10px;right:10px;position:sticky;margin-left:auto;}
  table.compare th,table.compare td{padding:14px 18px;}
  table.compare caption{padding:18px 18px 0;}
  .table-hint{padding:12px 18px;}
}

@media (max-width:480px){
  .brand-mark{width:32px;height:32px;border-radius:9px;}
  .brand-mark svg{width:19px;height:19px;}
  .brand-text{font-size:14px;}
  .header-inner{gap:10px;}
  .header-actions .btn-sm{display:none;}
  .nav-toggle{width:40px;height:40px;}
  .tip{flex-direction:column;gap:8px;padding:18px 18px;}
  .info-card{padding:20px;}
  .faq-box{padding:0 16px;}
}

/* roulang page: category4 */
:root{
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;

  --brand:#12564A;
  --brand-deep:#0B3A32;
  --tint:#DDEBE4;
  --accent:#C4622D;
  --accent-soft:#F6E2D5;

  --bg:#FAF7F1;
  --card:#FFFFFF;
  --line:#E5DFD3;
  --ink:#10201B;
  --muted:#55635C;
  --disabled:#9AA5A0;

  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#B23B2E;

  --sh-1:0 1px 2px rgba(11,31,26,.06),0 10px 28px -18px rgba(11,31,26,.28);
  --sh-2:0 2px 4px rgba(11,31,26,.08),0 18px 40px -22px rgba(11,31,26,.34);

  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --pad-x:32px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0}
::selection{background:var(--tint);color:var(--brand-deep)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:var(--pad-x);
  padding-right:var(--pad-x);
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,247,241,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px -18px rgba(11,31,26,.5)}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
  position:relative;
  transition:min-height .25s ease;
}
.site-header.scrolled .header-inner{min-height:60px}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  text-decoration:none;
  flex:0 0 auto;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:var(--brand);
  display:grid;place-items:center;
  flex:0 0 38px;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
  white-space:nowrap;
}

.nav-chips{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 auto;
  padding:4px;
  background:#EFEAE0;
  border-radius:999px;
}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 15px;
  border-radius:999px;
  font-size:14px;
  line-height:1.4;
  color:var(--muted);
  white-space:nowrap;
  text-decoration:none;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip:hover{color:var(--brand);background:var(--tint)}
.chip.active{
  background:var(--brand);
  color:#FFFFFF;
  font-weight:600;
  box-shadow:var(--sh-1);
}
.chip.active:hover{background:var(--brand);color:#FFFFFF}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  margin-left:auto;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  padding:0;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--brand);fill:none}
.nav-toggle:hover{border-color:var(--brand);background:var(--tint)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);background:#A9552A}
.btn-ghost{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(18,86,74,.08);color:var(--brand)}
.btn-ghost:active{background:rgba(18,86,74,.14)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%;padding:15px 20px}
.btn:disabled{background:var(--disabled);border-color:var(--disabled);color:#fff;box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#C3BCAD}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ============ 页头 ============ */
.page-hero{
  padding:clamp(20px,3.5vw,36px) 0 clamp(48px,6vw,76px);
  background:linear-gradient(180deg,#F4F0E7 0%,rgba(250,247,241,0) 100%);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(32px,5vw,64px);
  align-items:center;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--tint);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.25;
  margin:18px 0 0;
  letter-spacing:0;
}
.lede{
  margin:18px 0 0;
  max-width:34em;
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.micro-list{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  margin:28px 0 0;
  padding:0;
  font-size:14px;
  color:var(--muted);
}
.micro-list li{display:flex;align-items:center;gap:8px}
.micro-list svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--brand);fill:none}

.hero-figure{
  position:relative;
  margin:0;
  aspect-ratio:4/5;
  border-radius:999px 999px 12px 12px;
  overflow:hidden;
  background:#EFEAE0;
  box-shadow:var(--sh-1);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.figure-index{
  position:absolute;
  left:18px;
  bottom:18px;
  padding:6px 12px;
  border-radius:6px;
  background:rgba(11,58,50,.86);
  color:#EFE9DC;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
}

/* ============ 板块 ============ */
.section{padding:clamp(56px,8vw,104px) 0}
.section--tight{padding:clamp(40px,5vw,64px) 0}
.section-head{max-width:44em;margin-bottom:clamp(28px,4vw,44px)}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3}
.section-head p{margin-top:14px;font-size:16px;line-height:1.8;color:var(--muted)}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-2px);border-color:rgba(18,86,74,.32);box-shadow:var(--sh-2)}
.num-tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:38px;
  height:26px;
  border:1px solid rgba(18,86,74,.35);
  border-radius:6px;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.scene-card h3{font-size:19px;line-height:1.4;margin:16px 0 8px}
.scene-card p{font-size:15px;line-height:1.8;color:var(--muted)}

/* ============ FAQ 区 ============ */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 324px;
  gap:clamp(28px,4vw,48px);
  align-items:start;
}
.faq-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:0 24px;
  box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:56px;
  padding:15px 0;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{position:relative;width:14px;height:14px;flex:0 0 14px}
.faq-icon::before{
  content:"";position:absolute;left:0;top:6.25px;width:14px;height:1.5px;
  background:var(--brand);border-radius:2px;
}
.faq-icon::after{
  content:"";position:absolute;left:6.25px;top:0;width:1.5px;height:14px;
  background:var(--brand);border-radius:2px;
  transition:transform .28s ease;
}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-answer{
  padding:0 30px 18px 0;
  max-width:36em;
  font-size:16px;
  line-height:1.8;
  color:var(--muted);
}

/* ============ 侧栏 ============ */
.side{
  position:sticky;
  top:96px;
  display:grid;
  gap:20px;
}
.quick-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.quick-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EFEAE0}
.quick-body{padding:22px}
.quick-body h3{font-size:18px;line-height:1.4}
.quick-body .quick-note{font-size:14px;line-height:1.7;color:var(--muted);margin-top:6px}
.quick-list{list-style:none;margin:14px 0 0;padding:0}
.quick-list li + li{border-top:1px solid var(--line)}
.quick-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 0;
  font-size:15px;
  color:var(--ink);
  transition:color .18s ease,padding-left .18s ease;
}
.quick-list a:hover{color:var(--accent);padding-left:4px}
.quick-list svg{width:16px;height:16px;flex:0 0 16px;stroke:currentColor;fill:none}
.quick-list a.is-current{color:var(--brand);font-weight:600}
.quick-list a.is-current:hover{padding-left:0;color:var(--brand)}

.mini-cta{
  background:var(--brand-deep);
  border-radius:var(--r-card);
  padding:26px 22px;
}
.mini-cta h3{font-size:17px;line-height:1.5;color:#fff}
.mini-cta p{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.mini-cta .btn{margin-top:18px}

/* ============ 提示框 ============ */
.notice-box{
  display:flex;
  gap:18px;
  align-items:flex-start;
  background:rgba(184,134,43,.12);
  border-left:3px solid var(--warn);
  border-radius:12px;
  padding:22px 26px;
}
.notice-box svg{width:24px;height:24px;flex:0 0 24px;stroke:var(--warn);fill:none;margin-top:2px}
.notice-box h3{font-size:17px;line-height:1.5;color:#6B5423}
.notice-box p{margin-top:6px;font-size:15px;line-height:1.8;color:#6B5423}

/* ============ 底部 CTA ============ */
.cta-bar{background:var(--brand-deep);padding:clamp(40px,6vw,64px) 0}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:#fff}
.cta-inner p{margin-top:8px;font-size:15px;line-height:1.7;color:rgba(255,255,255,.72);max-width:38em}
.cta-bar .btn-primary{background:var(--accent);box-shadow:none}
.cta-bar .btn-primary:hover{background:#D0703A;transform:translateY(-1px)}
.cta-bar .btn-primary:active{background:#A9552A;transform:none}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.72);
  padding:clamp(48px,7vw,72px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{gap:12px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:16px;max-width:30em;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer-col h4{
  position:relative;
  padding-top:14px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:#fff;
}
.footer-col h4::before{
  content:"";position:absolute;top:0;left:0;width:26px;height:2px;background:var(--accent);
}
.footer-col ul{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-col span{font-size:14px;color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:clamp(32px,5vw,48px);
  padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-bottom .meta p{font-size:13px}

/* ============ 表单弹层 ============ */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px}
.modal.is-open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(11,31,26,.55)}
.modal-card{
  position:relative;
  width:100%;
  max-width:880px;
  max-height:calc(100vh - 48px);
  overflow-y:auto;
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  background:var(--card);
  border-radius:16px;
  box-shadow:0 30px 80px -30px rgba(11,31,26,.6);
}
.modal-side{background:var(--brand);color:#fff;padding:34px 26px}
.modal-side h3{font-size:19px;line-height:1.45;color:#fff}
.modal-side ul{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:14px}
.modal-side li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.85)}
.modal-side li svg{width:18px;height:18px;flex:0 0 18px;stroke:#fff;fill:none;margin-top:3px;opacity:.85}
.modal-body{padding:34px 30px}
.modal-body h3{font-size:20px;line-height:1.4}
.modal-body .modal-sub{margin-top:6px;font-size:14px;line-height:1.7;color:var(--muted)}
.modal-close{
  position:absolute;
  top:12px;right:12px;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:20px;
  line-height:1;
  cursor:pointer;
  display:grid;place-items:center;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
  z-index:2;
}
.modal-close:hover{background:var(--tint);color:var(--brand);border-color:var(--brand)}

.form-fields{margin-top:22px}
.form-row{margin-bottom:16px}
.form-row label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:var(--ink)}
.form-row input,
.form-row select,
.form-row textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  font-family:inherit;
  font-size:15px;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-row textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,86,74,.18);
}
.form-row input::placeholder,
.form-row textarea::placeholder{color:#A8B2AC}
.form-row select{
  appearance:none;
  -webkit-appearance:none;
  padding-right:40px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2355635C' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:14px 14px;
}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:4px 0 18px}
.checkbox{
  appearance:none;
  -webkit-appearance:none;
  width:18px;height:18px;
  flex:0 0 18px;
  margin:3px 0 0;
  border:1.5px solid #C9C2B4;
  border-radius:5px;
  background:#fff;
  cursor:pointer;
  position:relative;
  transition:background-color .18s ease,border-color .18s ease;
}
.checkbox:checked{background:var(--brand);border-color:var(--brand)}
.checkbox:checked::after{
  content:"";
  position:absolute;
  left:5px;top:1px;
  width:5px;height:9px;
  border:solid #fff;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.check-row label{font-size:14px;font-weight:400;line-height:1.7;color:var(--muted);margin:0}
.check-row a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.check-row a:hover{color:var(--accent)}

.form-success{
  display:none;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:8px;
  padding:44px 10px;
}
.form-success svg{width:46px;height:46px;stroke:var(--ok);fill:none}
.form-success strong{font-size:18px;color:var(--ink)}
.form-success span{font-size:14px;line-height:1.7;color:var(--muted);max-width:26em}
.form-shell.is-done .form-fields{display:none}
.form-shell.is-done .form-success{display:flex}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--pad-x:24px}
  .nav-chips{padding:3px}
  .chip{padding:7px 11px;font-size:13px}
  .brand-text{font-size:15px}
  .faq-layout{grid-template-columns:1fr}
  .side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-figure{order:-1;max-width:300px;margin:0 auto}
  .scene-grid{grid-template-columns:1fr}
}

@media (max-width:768px){
  :root{--pad-x:20px}
  body{font-size:16px}
  .header-inner{gap:14px;min-height:64px}
  .site-header.scrolled .header-inner{min-height:58px}
  .nav-toggle{display:flex}
  .header-actions .btn-sm{padding:9px 14px;font-size:13px}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
  .brand-mark svg{width:20px;height:20px}
  .brand-text{font-size:14px}

  .nav-chips{
    display:none;
    position:absolute;
    top:100%;left:0;right:0;
    margin:0;
    padding:8px 20px 16px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    background:var(--bg);
    box-shadow:0 18px 30px -22px rgba(11,31,26,.5);
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-chips.open{display:flex}
  .chip{
    height:48px;
    justify-content:flex-start;
    padding:0 8px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .chip:last-child{border-bottom:0}
  .chip.active{background:transparent;color:var(--brand);font-weight:700;box-shadow:none}
  .chip.active::before{content:"";width:3px;height:18px;background:var(--accent);border-radius:2px;margin-right:10px}

  .page-hero{padding-top:18px}
  .lede{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .micro-list{gap:10px 18px;font-size:13px}

  .side{grid-template-columns:1fr}
  .faq-list{padding:0 18px}
  .faq-answer{padding-right:0}

  .scene-grid{grid-template-columns:1fr}
  .notice-box{flex-direction:column;gap:12px;padding:20px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}

  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}

  .modal{padding:0;align-items:flex-end}
  .modal-card{
    grid-template-columns:1fr;
    max-width:100%;
    max-height:92vh;
    border-radius:16px 16px 0 0;
  }
  .modal-side{padding:24px 22px}
  .modal-side ul{grid-template-columns:1fr;gap:10px}
  .modal-body{padding:24px 22px 32px}
  .modal-close{position:fixed;top:calc(8vh + 12px);right:16px;background:rgba(255,255,255,.94)}
}

@media (max-width:520px){
  .brand-text{max-width:120px;overflow:hidden;text-overflow:ellipsis}
  .header-actions .btn-sm{display:none}
  .scene-card{padding:22px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .lede{max-width:none}
}