/* roulang page: index */
:root{
  --tea:#9A5B2E;
  --tea-deep:#6F3D1F;
  --bamboo:#5C7159;
  --ink-green:#2F4436;
  --paper:#F8F2E7;
  --paper-2:#EFE4D2;
  --card:#FFFDF8;
  --ink:#241C16;
  --ink-2:#5A4A3D;
  --cinnabar:#B4452F;
  --line:rgba(111,61,31,.14);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 10px 28px rgba(44,29,18,.07);
  --shadow-h:0 16px 36px rgba(44,29,18,.11);
  --serif:"Noto Serif SC","Songti SC",STSong,SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  background-image:radial-gradient(circle at 12% 8%,rgba(154,91,46,.06),transparent 46%),radial-gradient(circle at 88% 4%,rgba(92,113,89,.06),transparent 42%);
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--tea-deep);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--cinnabar);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4{font-family:var(--serif);letter-spacing:.02em;color:var(--ink);margin:0;line-height:1.35;font-weight:700;}
h1{font-size:clamp(2rem,4.6vw,3.6rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.2rem);}
h3{font-size:1.25rem;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--bamboo);outline-offset:3px;border-radius:6px;}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(248,242,231,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:none;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-seal{
  width:42px;height:42px;flex:0 0 42px;
  display:flex;align-items:center;justify-content:center;
  background:var(--tea-deep);color:var(--paper);
  font-family:var(--serif);font-size:1.02rem;font-weight:700;
  border-radius:8px;letter-spacing:.02em;
  box-shadow:inset 0 0 0 2px rgba(248,242,231,.22);
}
.brand-name{display:flex;flex-direction:column;line-height:1.25;}
.brand-name .l1{font-family:var(--serif);font-size:1.06rem;font-weight:700;color:var(--tea-deep);letter-spacing:.04em;}
.brand-name .l2{font-size:.78rem;color:var(--ink-2);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:.95rem;color:var(--ink-2);transition:background var(--ease),color var(--ease);
}
.nav-links a:hover{background:rgba(154,91,46,.1);color:var(--tea-deep);}
.nav-links a.active{background:rgba(154,91,46,.14);color:var(--tea-deep);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:var(--card);border-radius:10px;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--tea-deep);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tea-deep);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:var(--paper);
  padding:14px 0 22px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:13px 4px;border-bottom:1px solid var(--line);
  color:var(--ink);font-size:1rem;
}
.mobile-panel a:last-of-type{border-bottom:none;}
.mobile-panel .btn{margin-top:16px;width:100%;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:.98rem;font-weight:600;line-height:1;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--tea);color:#FFF9F0;box-shadow:0 8px 20px rgba(111,61,31,.18);}
.btn-primary:hover{background:var(--tea-deep);color:#FFF9F0;transform:translateY(-1px);box-shadow:0 12px 26px rgba(111,61,31,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(111,61,31,.2);}
.btn-ghost{background:transparent;color:var(--tea-deep);border-color:rgba(111,61,31,.4);}
.btn-ghost:hover{background:rgba(154,91,46,.1);color:var(--tea-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:rgba(248,242,231,.14);color:var(--paper);border-color:rgba(248,242,231,.4);}
.btn-light:hover{background:rgba(248,242,231,.24);color:#fff;transform:translateY(-1px);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.92rem;font-weight:600;color:var(--tea-deep);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.btn-link:hover{color:var(--cinnabar);}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- pill bar ---------- */
.pillbar{
  border-bottom:1px solid var(--line);
  background:rgba(239,228,210,.55);
}
.pillbar-inner{
  display:flex;gap:10px;overflow-x:auto;padding:14px 0;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.pillbar-inner::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
  color:var(--ink-2);font-size:.9rem;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.pill:hover{background:#fff;border-color:rgba(111,61,31,.3);color:var(--tea-deep);transform:translateY(-1px);}
.pill[aria-current="page"]{background:var(--tea);border-color:var(--tea);color:#FFF9F0;font-weight:600;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section--paper2{background:var(--paper-2);}
.section--plain{background:var(--paper);}
.section--deep{background:var(--ink-green);color:#F2EADA;}
.section--deep h2,.section--deep h3{color:#FBF4E7;}
.section--deep p{color:rgba(242,234,218,.82);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:1rem;}
.section--deep .section-head p{color:rgba(242,234,218,.78);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;letter-spacing:.14em;color:var(--tea);
  text-transform:none;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:rgba(154,91,46,.55);}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(680px 380px at 82% 12%,rgba(154,91,46,.12),transparent 70%),
    radial-gradient(520px 320px at 6% 88%,rgba(92,113,89,.1),transparent 72%),
    var(--paper);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:58fr 42fr;gap:52px;align-items:start;}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  background:rgba(255,253,248,.9);border:1px solid var(--line);
  font-size:.8rem;color:var(--tea-deep);
}
.badge--solid{background:rgba(154,91,46,.12);border-color:rgba(154,91,46,.22);}
.hero h1{margin-bottom:20px;}
.hero-lead{font-size:1.02rem;color:var(--ink-2);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:38px;padding-top:26px;border-top:1px dashed rgba(111,61,31,.24);
  max-width:600px;
}
.hero-stats .num{font-family:var(--serif);font-size:1.7rem;color:var(--tea-deep);line-height:1.2;}
.hero-stats .lbl{font-size:.84rem;color:var(--ink-2);}
.hero-media{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:var(--paper-2);
}
.hero-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:.82rem;color:#FFF9F0;
  background:linear-gradient(to top,rgba(36,28,22,.72),rgba(36,28,22,0));
}
.seal-mark{
  position:absolute;top:16px;right:16px;
  width:60px;height:60px;border-radius:8px;
  background:var(--cinnabar);color:#FFF6EE;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:.9rem;letter-spacing:.06em;
  writing-mode:vertical-rl;line-height:1.2;padding:6px;
  box-shadow:0 8px 18px rgba(180,69,47,.28);
}
.nearby{
  margin-top:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);
}
.nearby h3{font-size:1rem;margin-bottom:6px;}
.nearby p{font-size:.86rem;color:var(--ink-2);margin-bottom:14px;}
.nearby-links{display:flex;flex-wrap:wrap;gap:10px;}
.nearby-links a{
  padding:8px 14px;border-radius:999px;border:1px solid rgba(111,61,31,.28);
  font-size:.86rem;color:var(--tea-deep);background:rgba(248,242,231,.7);
  transition:background var(--ease),transform var(--ease),border-color var(--ease);
}
.nearby-links a:hover{background:#fff;border-color:var(--tea);transform:translateY(-1px);}

/* ---------- entry matrix ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.entry-card{
  display:flex;flex-direction:column;gap:8px;
  padding:22px 20px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(154,91,46,.32);}
.entry-card .ico{width:34px;height:34px;color:var(--tea);}
.entry-card strong{font-family:var(--serif);font-size:1.05rem;color:var(--ink);}
.entry-card span{font-size:.86rem;color:var(--ink-2);}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.metric-card .ico{color:var(--bamboo);width:26px;height:26px;margin-bottom:14px;}
.metric-card .num{font-family:var(--serif);font-size:2.1rem;color:var(--tea-deep);line-height:1.1;}
.metric-card .name{font-weight:600;margin-top:6px;font-size:.98rem;}
.metric-card .note{font-size:.83rem;color:var(--ink-2);margin-top:6px;}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(154,91,46,.3);}
.svc-main{grid-column:span 6;padding:0;overflow:hidden;display:flex;flex-direction:column;}
.svc-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.svc-main .body{padding:24px 26px;}
.svc-side{grid-column:span 3;padding:24px 22px;display:flex;flex-direction:column;gap:10px;}
.svc-four{grid-column:span 4;padding:24px 22px;display:flex;flex-direction:column;gap:10px;}
.svc-card h3{font-size:1.12rem;}
.svc-card p{font-size:.9rem;color:var(--ink-2);}
.svc-card .ico{width:28px;height:28px;color:var(--tea);}
.tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;
  background:rgba(92,113,89,.1);color:var(--bamboo);
  border:1px solid rgba(92,113,89,.2);font-size:.76rem;
}
.tag--tea{background:rgba(154,91,46,.1);color:var(--tea-deep);border-color:rgba(154,91,46,.2);}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.compare-col{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.compare-col:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.compare-col h3{margin-bottom:6px;}
.compare-col .sub{font-size:.85rem;color:var(--tea);margin-bottom:16px;}
.compare-col dl{margin:0;display:grid;gap:12px;}
.compare-col dt{font-size:.8rem;color:var(--ink-2);letter-spacing:.06em;}
.compare-col dd{margin:2px 0 0;font-size:.92rem;color:var(--ink);}
.compare-col .foot{
  margin-top:18px;padding-top:16px;border-top:1px dashed rgba(111,61,31,.22);
  font-size:.88rem;color:var(--ink-2);
}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:26px;}
.timeline::before{
  content:"";position:absolute;top:38px;left:4%;right:4%;height:1px;
  background:rgba(111,61,31,.25);
}
.tl-item{position:relative;padding-top:26px;}
.tl-item::before{
  content:"";position:absolute;top:6px;left:0;width:12px;height:12px;
  border-radius:50%;background:var(--bamboo);
  box-shadow:0 0 0 4px rgba(92,113,89,.14);
}
.tl-item.current::before{background:var(--cinnabar);box-shadow:0 0 0 4px rgba(180,69,47,.14);}
.tl-item .stage{font-family:var(--serif);font-size:1.05rem;color:var(--tea-deep);margin:12px 0 6px;}
.tl-item p{font-size:.88rem;color:var(--ink-2);}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:26px;align-items:start;}
.news-lead{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.news-lead img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-lead .body{padding:24px 26px;}
.news-lead h3{font-size:1.28rem;margin:12px 0 12px;}
.news-lead p{font-size:.92rem;color:var(--ink-2);margin-bottom:18px;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:.8rem;color:var(--ink-2);}
.news-list{display:grid;gap:14px;}
.news-row{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:rgba(154,91,46,.3);}
.news-row h4{font-family:var(--serif);font-size:1.02rem;color:var(--ink);margin:8px 0 6px;}
.news-row p{font-size:.86rem;color:var(--ink-2);}
.news-row .news-meta{margin-top:10px;}
.empty-state{
  border:1px dashed rgba(111,61,31,.34);border-radius:var(--radius);
  padding:44px 24px;text-align:center;background:rgba(255,253,248,.6);
}
.empty-state p{color:var(--ink-2);font-size:.95rem;margin-bottom:16px;}

/* ---------- assure ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.assure-item{
  border:1px solid rgba(248,242,231,.18);border-radius:var(--radius);
  padding:24px 22px;background:rgba(248,242,231,.05);
  transition:background var(--ease),transform var(--ease);
}
.assure-item:hover{background:rgba(248,242,231,.1);transform:translateY(-3px);}
.assure-item .ico{width:26px;height:26px;color:#E7C89E;margin-bottom:14px;}
.assure-item h3{font-size:1.02rem;margin-bottom:8px;}
.assure-item p{font-size:.86rem;}
.assure-cta{margin-top:34px;}

/* ---------- quick qa ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.qa-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);
}
.qa-card h3{font-size:1.02rem;margin-bottom:8px;color:var(--tea-deep);}
.qa-card p{font-size:.9rem;color:var(--ink-2);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:10px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:background var(--ease),border-color var(--ease);
}
.faq-item[open]{background:#FFF9EF;border-color:rgba(154,91,46,.26);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 22px;
  font-weight:600;font-size:1rem;color:var(--ink);
  border-left:3px solid var(--tea);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-family:var(--serif);font-size:1.3rem;color:var(--tea);line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--tea-deep);}
.faq-item .answer{padding:0 24px 20px;font-size:.94rem;color:var(--ink-2);}

/* ---------- download ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.dl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(154,91,46,.3);}
.dl-card .ico{width:30px;height:30px;color:var(--tea);}
.dl-card h3{font-size:1.08rem;}
.dl-card p{font-size:.88rem;color:var(--ink-2);flex:1;}
.dl-note{
  margin-top:22px;font-size:.85rem;color:var(--ink-2);
  border-left:3px solid rgba(154,91,46,.4);padding-left:14px;
}

/* ---------- booking form ---------- */
.booking-grid{display:grid;grid-template-columns:5fr 7fr;gap:34px;align-items:start;}
.booking-copy h2{margin-bottom:16px;}
.booking-tips{display:grid;gap:12px;margin-top:22px;}
.booking-tips li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:.92rem;color:var(--ink-2);
  background:rgba(255,253,248,.7);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:14px 16px;
}
.booking-tips .dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:var(--bamboo);margin-top:10px;
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:.86rem;color:var(--ink-2);font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  font-family:inherit;font-size:.95rem;color:var(--ink);
  background:#fff;border:1px solid rgba(111,61,31,.22);border-radius:10px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--tea);box-shadow:0 0 0 3px rgba(92,113,89,.22);
}
.field input:invalid:not(:placeholder-shown){border-color:var(--cinnabar);}
.form-check{
  grid-column:1 / -1;display:flex;gap:10px;align-items:flex-start;
  font-size:.86rem;color:var(--ink-2);
}
.form-check input{width:18px;height:18px;margin-top:3px;accent-color:var(--tea);}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px;}
.form-msg{grid-column:1 / -1;font-size:.88rem;color:var(--bamboo);display:none;}
.form-msg.show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-green);color:#E9E0CE;padding:66px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand .brand-seal{background:#F2E5CE;color:var(--ink-green);box-shadow:none;}
.footer-brand .l1{color:#FBF4E7;}
.footer-brand .l2{color:rgba(233,224,206,.7);}
.footer-brand p{font-size:.88rem;color:rgba(233,224,206,.72);margin-top:16px;max-width:320px;}
.site-footer h4{font-family:var(--serif);font-size:1rem;color:#FBF4E7;margin-bottom:16px;}
.site-footer ul{display:grid;gap:10px;}
.site-footer a{color:rgba(233,224,206,.78);font-size:.9rem;}
.site-footer a:hover{color:#fff;}
.footer-info p{font-size:.88rem;color:rgba(233,224,206,.72);margin-bottom:10px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(233,224,206,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.82rem;color:rgba(233,224,206,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .wrap{padding:0 24px;}
  .svc-main{grid-column:span 12;}
  .svc-side{grid-column:span 6;}
  .svc-four{grid-column:span 6;}
  .entry-grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:992px){
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .nav-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-media{max-width:520px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .compare-grid{grid-template-columns:1fr;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .booking-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px;}
  .timeline::before{display:none;}
  .dl-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .qa-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .section{padding:60px 0;}
  .hero{padding:44px 0 56px;}
  .svc-side,.svc-four{grid-column:span 12;}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:12px;}
  .form-grid{grid-template-columns:1fr;}
  .brand-name .l2{display:none;}
}
@media (max-width:560px){
  .wrap{padding:0 16px;}
  .section{padding:52px 0;}
  h1{font-size:clamp(1.72rem,7.4vw,2.2rem);}
  h2{font-size:clamp(1.32rem,5.4vw,1.7rem);}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .hero-stats .num{font-size:1.45rem;}
  .metric-grid{grid-template-columns:1fr;}
  .assure-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .form-card{padding:22px 18px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;}
  .entry-grid{grid-template-columns:1fr;}
  .seal-mark{width:50px;height:50px;font-size:.78rem;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover,.entry-card:hover,.metric-card:hover,.news-lead:hover,.news-row:hover,.dl-card:hover,.compare-col:hover,.assure-item:hover,.btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --tea:#9A5B2E;
  --tea-deep:#6F3D1F;
  --bamboo:#5C7159;
  --ink-green:#2F4436;
  --paper:#F8F2E7;
  --paper-2:#EFE4D2;
  --card:#FFFDF8;
  --ink:#241C16;
  --ink-2:#5A4A3D;
  --cinnabar:#B4452F;
  --line:rgba(111,61,31,.14);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 10px 28px rgba(44,29,18,.07);
  --shadow-h:0 16px 36px rgba(44,29,18,.11);
  --serif:"Noto Serif SC","Songti SC",STSong,SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  background-image:radial-gradient(circle at 12% 8%,rgba(154,91,46,.06),transparent 46%),radial-gradient(circle at 88% 4%,rgba(92,113,89,.06),transparent 42%);
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--tea-deep);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--cinnabar);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--tea-deep);line-height:1.38;margin:0 0 14px;font-weight:700;letter-spacing:.02em;}
h1{font-size:clamp(2rem,4.6vw,3.2rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.2rem);}
h3{font-size:1.25rem;}
h4{font-size:1rem;margin-bottom:12px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(248,242,231,.96);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-seal{
  width:42px;height:42px;flex:0 0 42px;
  display:flex;align-items:center;justify-content:center;
  background:var(--tea-deep);color:var(--paper);
  font-family:var(--serif);font-size:1.02rem;font-weight:700;
  border-radius:8px;letter-spacing:.02em;
  box-shadow:inset 0 0 0 2px rgba(248,242,231,.22);
}
.brand-name{display:flex;flex-direction:column;line-height:1.25;}
.brand-name .l1{font-family:var(--serif);font-size:1.06rem;font-weight:700;color:var(--tea-deep);letter-spacing:.04em;}
.brand-name .l2{font-size:.78rem;color:var(--ink-2);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{display:inline-block;padding:8px 14px;border-radius:999px;font-size:.95rem;color:var(--ink-2);transition:background var(--ease),color var(--ease);}
.nav-links a:hover{background:rgba(154,91,46,.1);color:var(--tea-deep);}
.nav-links a.active{background:rgba(154,91,46,.14);color:var(--tea-deep);font-weight:600;}
.nav-links a:focus-visible{outline:2px solid var(--bamboo);outline-offset:2px;}
.nav-right{display:flex;align-items:center;gap:10px;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:var(--card);border-radius:10px;align-items:center;justify-content:center;
}
.menu-toggle:focus-visible{outline:2px solid var(--bamboo);outline-offset:2px;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--tea-deep);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tea-deep);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper);padding:14px 0 22px;}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;padding:13px 4px;border-bottom:1px solid var(--line);color:var(--ink);font-size:1rem;}
.mobile-panel a:last-of-type{border-bottom:none;}
.mobile-panel .btn{margin-top:16px;width:100%;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:.98rem;font-weight:600;line-height:1;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn:focus-visible{outline:2px solid var(--bamboo);outline-offset:3px;}
.btn-primary{background:var(--tea);color:#FFF9F0;box-shadow:0 8px 20px rgba(111,61,31,.18);}
.btn-primary:hover{background:var(--tea-deep);color:#FFF9F0;transform:translateY(-1px);box-shadow:0 12px 26px rgba(111,61,31,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(111,61,31,.2);}
.btn-ghost{background:transparent;color:var(--tea-deep);border-color:rgba(111,61,31,.4);}
.btn-ghost:hover{background:rgba(154,91,46,.1);color:var(--tea-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:.92rem;font-weight:600;color:var(--tea-deep);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.btn-link:hover{color:var(--cinnabar);}
/* ---------- sections ---------- */
.section{padding:88px 0;}
.section--paper2{background:var(--paper-2);}
.section--plain{background:var(--paper);}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head p{color:var(--ink-2);font-size:1rem;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;letter-spacing:.14em;color:var(--tea);margin-bottom:14px;font-weight:600;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--tea);}
/* ---------- category head ---------- */
.cat-head{position:relative;overflow:hidden;padding:54px 0 68px;background:var(--paper);border-bottom:1px solid var(--line);}
.cat-head::after{
  content:"";position:absolute;right:-90px;top:-70px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(154,91,46,.12),transparent 68%);pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.86rem;color:var(--ink-2);margin-bottom:18px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--tea-deep);}
.breadcrumb .sep{color:rgba(90,74,61,.5);}
.cat-head h1{margin-bottom:18px;max-width:900px;}
.cat-lead{max-width:780px;color:var(--ink-2);font-size:1.02rem;}
.cat-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:30px;max-width:760px;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow);}
.stat b{display:block;font-family:var(--serif);font-size:1.55rem;color:var(--tea-deep);line-height:1.2;margin-bottom:2px;}
.stat span{font-size:.82rem;color:var(--ink-2);}
/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:start;}
.figure{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card);box-shadow:var(--shadow);}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.figure figcaption{padding:12px 18px;font-size:.82rem;color:var(--ink-2);border-top:1px solid var(--line);background:var(--card);}
.point-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.point-list li{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--bamboo);
  border-radius:var(--radius-sm);padding:16px 20px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.point-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);}
.point-list strong{display:block;font-family:var(--serif);font-size:1.02rem;color:var(--tea-deep);margin-bottom:4px;}
.point-list p{font-size:.94rem;color:var(--ink-2);margin:0;}
/* ---------- tea grid ---------- */
.tea-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.tea-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tea-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(111,61,31,.24);}
.tea-card h3{margin-bottom:6px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;}
.tea-card h3 small{font-family:var(--sans);font-size:.76rem;color:var(--bamboo);font-weight:600;letter-spacing:.06em;}
.tea-card p{font-size:.94rem;color:var(--ink-2);margin-bottom:14px;}
.tea-card--wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;padding:0;overflow:hidden;}
.tea-card--wide img{width:100%;height:100%;min-height:230px;object-fit:cover;}
.tea-card--wide .tc-body{padding:26px 26px 24px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(154,91,46,.09);border:1px solid var(--line);
  font-size:.78rem;color:var(--tea-deep);white-space:nowrap;
}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:22px 18px 18px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  background:var(--tea);color:#FFF9F0;font-family:var(--serif);font-size:.95rem;font-weight:700;
  margin-bottom:12px;
}
.step h3{font-size:1.02rem;margin-bottom:6px;}
.step p{font-size:.86rem;color:var(--ink-2);margin:0;line-height:1.7;}
/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);box-shadow:var(--shadow);-webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:.94rem;}
thead th{
  background:rgba(154,91,46,.13);color:var(--tea-deep);font-family:var(--serif);
  text-align:left;padding:14px 18px;font-weight:700;white-space:nowrap;border-bottom:1px solid var(--line);
}
tbody td{padding:13px 18px;border-top:1px solid var(--line);color:var(--ink-2);}
tbody tr:nth-child(even){background:rgba(239,228,210,.5);}
tbody td:first-child{color:var(--ink);font-weight:600;}
.table-note{margin-top:14px;font-size:.86rem;color:var(--ink-2);}
/* ---------- entries ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.entry{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;
  border-radius:var(--radius-sm);background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(111,61,31,.26);}
.entry strong{font-family:var(--serif);font-size:1rem;color:var(--tea-deep);}
.entry span{font-size:.84rem;color:var(--ink-2);}
.entry.is-active{background:var(--tea);border-color:var(--tea);}
.entry.is-active strong,.entry.is-active span{color:#FFF9F0;}
/* ---------- picks ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.pick{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.pick:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.pick img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.pick-body{padding:20px 22px 22px;}
.pick-body h3{font-size:1.08rem;margin-bottom:8px;}
.pick-body p{font-size:.92rem;color:var(--ink-2);margin-bottom:12px;}
/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:880px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;border-left:3px solid var(--tea);
  padding:18px 22px;text-align:left;font-family:var(--serif);font-size:1.02rem;
  color:var(--tea-deep);transition:background var(--ease);
}
.faq-q:hover{background:rgba(154,91,46,.06);}
.faq-q:focus-visible{outline:2px solid var(--bamboo);outline-offset:-2px;}
.faq-icon{flex:0 0 auto;font-family:var(--sans);font-size:1.2rem;line-height:1;color:var(--tea);transition:transform var(--ease);}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;padding:0 22px;transition:max-height .3s ease,padding .3s ease;background:rgba(239,228,210,.4);}
.faq-item.open .faq-a{max-height:340px;padding:16px 22px 20px;}
.faq-a p{font-size:.94rem;color:var(--ink-2);margin:0;}
/* ---------- download ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.dl-card{
  display:flex;flex-direction:column;gap:8px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(111,61,31,.26);}
.dl-card .dl-icon{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(154,91,46,.12);color:var(--tea-deep);font-family:var(--serif);font-size:.9rem;font-weight:700;
}
.dl-card h3{font-size:1.05rem;margin:0;}
.dl-card p{font-size:.88rem;color:var(--ink-2);margin:0 0 8px;}
.dl-card .btn{width:100%;margin-top:auto;}
.dl-note{margin-top:18px;font-size:.86rem;color:var(--ink-2);}
/* ---------- cta band ---------- */
.cta-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-inner h2{margin-bottom:8px;}
.cta-inner p{color:var(--ink-2);margin:0;font-size:.96rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-green);color:rgba(242,234,218,.8);padding:64px 0 28px;font-size:.92rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.site-footer h4{color:#FBF4E7;font-size:.98rem;letter-spacing:.04em;}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.site-footer a{color:rgba(242,234,218,.86);}
.site-footer a:hover{color:#FFF9F0;text-decoration:underline;text-underline-offset:3px;}
.footer-brand p{font-size:.9rem;color:rgba(242,234,218,.74);margin-top:14px;max-width:320px;}
.site-footer .brand-name .l1{color:#FBF4E7;}
.site-footer .brand-name .l2{color:rgba(242,234,218,.7);}
.site-footer .brand-seal{background:rgba(248,242,231,.14);color:#FBF4E7;box-shadow:inset 0 0 0 2px rgba(248,242,231,.26);}
.footer-info p{margin:0 0 10px;font-size:.88rem;color:rgba(242,234,218,.74);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(248,242,231,.18);
  font-size:.82rem;color:rgba(242,234,218,.62);
}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:992px){
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .nav-right .btn{display:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .tea-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tea-card--wide{grid-column:span 2;grid-template-columns:1fr;}
  .tea-card--wide img{min-height:220px;}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dl-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .wrap{padding:0 20px;}
  .cat-stats{grid-template-columns:1fr;max-width:100%;}
  .tea-grid{grid-template-columns:1fr;}
  .tea-card--wide{grid-column:span 1;}
  .pick-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  body{font-size:16px;}
  .section{padding:52px 0;}
  .cat-head{padding:40px 0 48px;}
  .wrap{padding:0 16px;}
  .nav-inner{min-height:68px;gap:12px;}
  .brand-seal{width:36px;height:36px;flex:0 0 36px;font-size:.92rem;}
  .brand-name .l1{font-size:.98rem;}
  .brand-name .l2{font-size:.72rem;}
  .entry-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --tea:#9A5B2E;
  --tea-deep:#6F3D1F;
  --bamboo:#5C7159;
  --ink-green:#2F4436;
  --paper:#F8F2E7;
  --paper-2:#EFE4D2;
  --card:#FFFDF8;
  --ink:#241C16;
  --ink-2:#5A4A3D;
  --cinnabar:#B4452F;
  --line:rgba(111,61,31,.14);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 10px 28px rgba(44,29,18,.07);
  --shadow-h:0 16px 36px rgba(44,29,18,.11);
  --serif:"Noto Serif SC","Songti SC",STSong,SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  background-image:radial-gradient(circle at 12% 8%,rgba(154,91,46,.06),transparent 46%),radial-gradient(circle at 88% 4%,rgba(92,113,89,.06),transparent 42%);
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--tea-deep);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--cinnabar);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.35;letter-spacing:.02em;margin:0 0 14px;font-weight:700;}
h1{font-size:clamp(1.8rem,3.6vw,2.6rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.2rem);}
h3{font-size:1.25rem;}
p{margin:0 0 14px;}
a:focus-visible,button:focus-visible,summary:focus-visible,.download-card:focus-visible{outline:2px solid var(--bamboo);outline-offset:3px;border-radius:6px;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(248,242,231,.97);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-seal{
  width:42px;height:42px;flex:0 0 42px;
  display:flex;align-items:center;justify-content:center;
  background:var(--tea-deep);color:var(--paper);
  font-family:var(--serif);font-size:1.02rem;font-weight:700;
  border-radius:8px;letter-spacing:.02em;
  box-shadow:inset 0 0 0 2px rgba(248,242,231,.22);
}
.brand-name{display:flex;flex-direction:column;line-height:1.25;}
.brand-name .l1{font-family:var(--serif);font-size:1.06rem;font-weight:700;color:var(--tea-deep);letter-spacing:.04em;}
.brand-name .l2{font-size:.78rem;color:var(--ink-2);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:.95rem;color:var(--ink-2);transition:background var(--ease),color var(--ease);
}
.nav-links a:hover{background:rgba(154,91,46,.1);color:var(--tea-deep);}
.nav-links a.active{background:rgba(154,91,46,.14);color:var(--tea-deep);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:var(--card);border-radius:10px;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--tea-deep);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tea-deep);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper);padding:14px 0 22px;}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;padding:13px 4px;border-bottom:1px solid var(--line);color:var(--ink);font-size:1rem;}
.mobile-panel a:last-of-type{border-bottom:none;}
.mobile-panel .btn{margin-top:16px;width:100%;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:.98rem;font-weight:600;line-height:1;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--tea);color:#FFF9F0;box-shadow:0 8px 20px rgba(111,61,31,.18);}
.btn-primary:hover{background:var(--tea-deep);color:#FFF9F0;transform:translateY(-1px);box-shadow:0 12px 26px rgba(111,61,31,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(111,61,31,.2);}
.btn-ghost{background:transparent;color:var(--tea-deep);border-color:rgba(111,61,31,.4);}
.btn-ghost:hover{background:rgba(154,91,46,.1);color:var(--tea-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.92rem;font-weight:600;color:var(--tea-deep);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.btn-link:hover{color:var(--cinnabar);}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
/* ---------- sections ---------- */
.section{padding:88px 0;}
.section--paper2{background:var(--paper-2);}
.section--plain{background:var(--paper);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:1rem;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;letter-spacing:.14em;color:var(--tea);
  margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--tea);}
/* ---------- article hero ---------- */
.article-hero{padding:52px 0 64px;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.85rem;color:var(--ink-2);margin-bottom:22px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--tea-deep);}
.breadcrumb .sep{color:rgba(90,74,61,.45);}
.breadcrumb [aria-current]{color:var(--ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.post-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:rgba(154,91,46,.12);color:var(--tea-deep);
  font-size:.8rem;font-weight:600;letter-spacing:.05em;
  margin-bottom:16px;
}
.article-title{margin:0 0 18px;max-width:900px;}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.86rem;color:var(--ink-2);}
.post-meta span{display:inline-flex;align-items:center;gap:7px;}
.post-meta svg{flex:0 0 auto;stroke:var(--tea);}
.post-lead{max-width:820px;color:var(--ink-2);font-size:1.02rem;line-height:1.85;margin:20px 0 0;}
.post-cover{
  margin-top:34px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/9;background:var(--paper-2);
}
.post-cover img{width:100%;height:100%;object-fit:cover;}
/* ---------- key points ---------- */
.points-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(111,61,31,.28);}
.point-card .num{display:block;font-family:var(--serif);font-size:.86rem;letter-spacing:.14em;color:var(--cinnabar);margin-bottom:10px;}
.point-card h3{font-size:1.05rem;margin-bottom:8px;}
.point-card p{margin:0;font-size:.92rem;color:var(--ink-2);line-height:1.8;}
/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:48px;align-items:start;}
.article-main{min-width:0;}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--ink);}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(1.28rem,2.1vw,1.58rem);
  margin:42px 0 16px;padding-left:14px;border-left:4px solid var(--tea);line-height:1.45;
}
.article-body h3{
  font-size:1.14rem;color:var(--ink-green);margin:28px 0 10px;font-family:var(--sans);font-weight:700;
}
.article-body h3::before{content:"";display:inline-block;width:8px;height:8px;background:var(--bamboo);border-radius:2px;margin-right:8px;vertical-align:2px;}
.article-body h4{font-size:1.02rem;margin:22px 0 8px;color:var(--tea-deep);}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:rgba(154,91,46,.07);
  border-left:3px solid var(--bamboo);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow);max-width:100%;height:auto;}
.article-body a{color:var(--tea-deep);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--cinnabar);}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:.94rem;
  display:block;overflow-x:auto;border-radius:var(--radius-sm);
}
.article-body th{
  background:rgba(154,91,46,.1);color:var(--tea-deep);text-align:left;
  padding:10px 14px;border:1px solid var(--line);white-space:nowrap;font-weight:600;
}
.article-body td{padding:10px 14px;border:1px solid var(--line);vertical-align:top;}
.article-body tr:nth-child(even) td{background:rgba(239,228,210,.35);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:30px 0;}
.article-body strong{color:var(--tea-deep);}
.article-body figcaption{font-size:.84rem;color:var(--ink-2);text-align:center;margin-top:-12px;margin-bottom:20px;}
/* ---------- aside ---------- */
.sticky-wrap{position:sticky;top:100px;}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);margin-bottom:20px;
}
.aside-card h3{font-size:1rem;margin-bottom:12px;letter-spacing:.04em;}
.aside-card p{font-size:.9rem;color:var(--ink-2);margin:0 0 12px;line-height:1.8;}
.toc-list{list-style:none;padding:0;margin:0;font-size:.9rem;}
.toc-list li{margin-bottom:4px;}
.toc-list a{
  display:block;padding:6px 0 6px 12px;border-left:2px solid transparent;
  color:var(--ink-2);line-height:1.6;transition:color var(--ease),border-color var(--ease);
}
.toc-list a:hover{color:var(--tea-deep);border-left-color:var(--tea);}
.aside-card .btn{width:100%;margin-top:6px;}
.toc-mobile{display:none;margin-bottom:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);}
.toc-mobile summary{
  list-style:none;cursor:pointer;padding:14px 18px;font-family:var(--serif);
  color:var(--tea-deep);font-size:1rem;display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{content:"+";font-size:1.2rem;color:var(--tea);}
.toc-mobile[open] summary::after{content:"−";}
.toc-mobile .toc-list{padding:0 18px 16px;font-size:.92rem;}
/* ---------- empty state ---------- */
.empty-state{
  border:1px dashed rgba(111,61,31,.35);border-radius:var(--radius);
  padding:40px 26px;text-align:center;background:var(--card);max-width:640px;
}
.empty-state h2{font-size:1.3rem;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);margin-bottom:20px;}
/* ---------- info blocks ---------- */
.info-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.info-list{list-style:none;padding:0;margin:0;}
.info-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(111,61,31,.2);
}
.info-list li:last-child{border-bottom:none;}
.info-icon{
  flex:0 0 38px;width:38px;height:38px;border-radius:10px;
  background:rgba(154,91,46,.12);display:flex;align-items:center;justify-content:center;
}
.info-icon svg{stroke:var(--tea-deep);}
.info-list h3{font-size:1rem;margin:0 0 4px;font-family:var(--sans);font-weight:700;}
.info-list p{margin:0;font-size:.92rem;color:var(--ink-2);line-height:1.8;}
.info-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3;}
.info-figure img{width:100%;height:100%;object-fit:cover;}
/* ---------- author ---------- */
.author-card{
  display:flex;gap:22px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.author-avatar{
  flex:0 0 84px;width:84px;height:84px;border-radius:50%;overflow:hidden;
  border:2px solid rgba(154,91,46,.22);background:var(--paper-2);
}
.author-avatar img{width:100%;height:100%;object-fit:cover;}
.author-card h3{font-size:1.1rem;margin-bottom:6px;}
.author-role{font-size:.84rem;color:var(--tea);letter-spacing:.06em;margin-bottom:10px;}
.author-card p{font-size:.93rem;color:var(--ink-2);margin:0 0 8px;line-height:1.8;}
.author-note{font-size:.84rem;color:rgba(90,74,61,.8);border-top:1px dashed rgba(111,61,31,.2);padding-top:10px;margin-top:4px;}
/* ---------- download ---------- */
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.download-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);color:var(--ink);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.download-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(111,61,31,.3);color:var(--ink);background:#fff;}
.dl-icon{
  width:46px;height:46px;border-radius:12px;background:rgba(92,113,89,.14);
  display:flex;align-items:center;justify-content:center;
}
.dl-icon svg{stroke:var(--ink-green);}
.download-card h3{font-size:1.08rem;margin:0;}
.download-card p{font-size:.9rem;color:var(--ink-2);margin:0;line-height:1.75;}
.dl-action{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600;color:var(--tea-deep);margin-top:4px;}
.download-card:hover .dl-action{color:var(--cinnabar);}
/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(180deg,rgba(239,228,210,.95),rgba(248,242,231,.95));
  border:1px solid rgba(111,61,31,.22);border-radius:var(--radius-lg);
  padding:36px 38px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.3rem,2.2vw,1.7rem);margin-bottom:8px;}
.cta-band p{margin:0;color:var(--ink-2);font-size:.95rem;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:880px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;transition:background var(--ease),border-color var(--ease);
}
.faq-item[open]{background:rgba(154,91,46,.05);border-color:rgba(111,61,31,.25);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-family:var(--serif);font-size:1.02rem;color:var(--ink);
  border-left:4px solid var(--tea);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-family:var(--sans);font-size:1.3rem;line-height:1;color:var(--tea);transition:transform var(--ease);}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-answer{padding:0 22px 20px 26px;color:var(--ink-2);font-size:.95rem;line-height:1.85;}
.faq-item .faq-answer p:last-child{margin-bottom:0;}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-green);color:#EDE3D2;padding:64px 0 28px;}
.site-footer h4{font-family:var(--serif);color:#FBF4E7;font-size:1.02rem;margin:0 0 14px;letter-spacing:.04em;}
.site-footer p{color:rgba(237,227,210,.76);font-size:.9rem;margin:0 0 10px;line-height:1.8;}
.site-footer a{color:rgba(237,227,210,.88);}
.site-footer a:hover{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand .brand-name .l1{color:#FBF4E7;}
.footer-brand .brand-name .l2{color:rgba(237,227,210,.7);}
.footer-brand .brand-seal{background:#F8F2E7;color:var(--tea-deep);box-shadow:none;}
.footer-brand p{margin-top:16px;max-width:340px;}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer li{margin-bottom:9px;font-size:.92rem;}
.footer-bottom{
  border-top:1px solid rgba(248,242,231,.18);margin-top:38px;padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.82rem;color:rgba(237,227,210,.62);
}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:34px;}
}
@media (max-width:992px){
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .nav-right .btn-primary{display:none;}
  .article-layout{grid-template-columns:1fr;}
  .sticky-wrap{position:static;}
  .article-aside{margin-top:8px;}
  .toc-mobile{display:block;}
  .article-aside .toc-card{display:none;}
  .info-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px;}
}
@media (max-width:768px){
  .wrap{padding:0 20px;}
  .points-grid{grid-template-columns:1fr;}
  .download-grid{grid-template-columns:1fr;}
  .article-hero{padding:38px 0 46px;}
  .post-cover{aspect-ratio:16/10;margin-top:26px;}
  .article-body{font-size:16.5px;line-height:1.88;}
  .author-card{flex-direction:column;gap:16px;padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:560px){
  .wrap{padding:0 16px;}
  .section{padding:52px 0;}
  body{font-size:16px;}
  h1{font-size:1.7rem;}
  .article-title{font-size:1.6rem;}
  .brand-name .l1{font-size:.98rem;}
  .brand-name .l2{font-size:.72rem;}
  .brand-seal{width:38px;height:38px;flex:0 0 38px;font-size:.94rem;}
  .btn{height:44px;padding:0 18px;font-size:.94rem;}
  .post-meta{font-size:.82rem;}
  .article-body h2{font-size:1.2rem;}
  .faq-item summary{padding:15px 16px;font-size:.98rem;}
  .faq-item .faq-answer{padding:0 16px 16px 20px;}
  .download-card{padding:22px 20px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}