/* roulang page: index */
:root{
  --c-primary:#17453D;
  --c-primary-light:#1F5A4F;
  --c-primary-dark:#102F2A;
  --c-accent:#F0A45C;
  --c-violet:#6E5A8C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F3EDE3;
  --c-surface:#FFFFFF;
  --c-dark:#12211E;
  --c-ink:#1B2422;
  --c-body:#4A5654;
  --c-muted:#7C8785;
  --c-line:#E4DED4;
  --c-success:#3E7D5A;
  --c-warn:#C4763A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,69,61,.06);
  --sh-2:0 8px 24px rgba(23,69,61,.08);
  --sh-3:0 14px 32px rgba(23,69,61,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:15.5px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-light);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:var(--sh-2);}
.header-bar{height:60px;display:flex;align-items:center;border-bottom:1px solid transparent;}
.header-inner{display:flex;align-items:center;gap:20px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));display:flex;align-items:center;justify-content:center;color:#F7F4EE;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-muted);letter-spacing:.02em;white-space:nowrap;}
.search-box{position:relative;flex:1 1 auto;max-width:400px;display:flex;align-items:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);height:40px;padding:0 6px 0 14px;transition:border-color .18s ease,box-shadow .18s ease;}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,69,61,.1);background:var(--c-surface);}
.search-box svg{width:16px;height:16px;color:var(--c-muted);flex:0 0 auto;}
.search-box input{flex:1;border:0;background:transparent;height:100%;padding:0 8px;font-size:14px;outline:none;}
.search-box input::placeholder{color:var(--c-muted);}
.search-toggle{display:none;border:0;background:transparent;padding:0;line-height:0;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.mini-select{height:36px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-sm);padding:0 26px 0 10px;font-size:13px;color:var(--c-body);appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5 6 8.5l4-4' fill='none' stroke='%237C8785' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:12px;transition:border-color .18s ease;}
.mini-select:hover{border-color:var(--c-primary-light);}
.version-group{display:flex;align-items:center;gap:8px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid transparent;font-size:14.5px;font-weight:600;cursor:pointer;transition:transform .16s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#F7F4EE;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-dark);color:#F7F4EE;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(23,69,61,.08);color:var(--c-primary-dark);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}
.dir-btn{display:none;height:36px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);font-size:13.5px;color:var(--c-primary);cursor:pointer;}
.main-nav{border-top:1px solid var(--c-line);background:var(--c-surface);}
.nav-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.nav-inner::-webkit-scrollbar{display:none;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-sm);font-size:14px;color:var(--c-body);white-space:nowrap;transition:background .18s ease,color .18s ease;}
.nav-link:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.nav-link.active{background:rgba(23,69,61,.09);color:var(--c-primary);font-weight:600;}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;padding:32px 0 64px;align-items:start;}
.docs-sidebar{position:relative;}
.toc-card{position:sticky;top:128px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--sh-1);}
.toc-label{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-muted);margin-bottom:12px;font-weight:600;}
.toc-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-line);padding-left:12px;}
.toc-link{position:relative;display:block;padding:7px 10px;font-size:13.5px;color:var(--c-body);border-radius:var(--r-sm);transition:background .16s ease,color .16s ease;}
.toc-link::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:transparent;transition:background .16s ease;}
.toc-link:hover{background:var(--c-bg);color:var(--c-primary);}
.toc-link.active{background:rgba(23,69,61,.07);color:var(--c-primary);font-weight:600;}
.toc-link.active::before{background:var(--c-primary);}
.toc-cta{margin-top:18px;padding:14px;border-radius:var(--r-sm);background:var(--c-bg-alt);}
.toc-cta p{font-size:12.5px;line-height:1.65;color:var(--c-body);margin:8px 0 10px;}
.toc-cta-link{font-size:13px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(23,69,61,.3);padding-bottom:2px;}
.toc-cta-link:hover{border-color:var(--c-primary);}
.content-main{min-width:0;}

/* ---------- section basics ---------- */
.section{padding:72px 0;border-top:1px solid var(--c-line);}
.section:first-child{border-top:0;}
.section-alt{background:var(--c-bg-alt);}
.section-tight{padding:56px 0;}
.sec-head{margin-bottom:30px;max-width:760px;}
.sec-title{font-size:clamp(22px,2.2vw,31px);font-weight:600;color:var(--c-ink);line-height:1.3;letter-spacing:-.01em;}
.sec-desc{margin-top:10px;font-size:15px;color:var(--c-body);max-width:70ch;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px;}
.sec-more{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(23,69,61,.3);padding-bottom:2px;white-space:nowrap;}
.sec-more:hover{color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--c-primary);background:rgba(23,69,61,.08);border-radius:var(--r-pill);padding:6px 14px;letter-spacing:.02em;}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;border-radius:var(--r-pill);padding:3px 11px;line-height:1.6;letter-spacing:.01em;}
.badge-green{background:rgba(23,69,61,.1);color:var(--c-primary);}
.badge-amber{background:rgba(240,164,92,.18);color:#9A5B18;}
.badge-violet{background:rgba(110,90,140,.12);color:var(--c-violet);}
.badge-gray{background:var(--c-bg-alt);color:var(--c-muted);}

/* ---------- hero ---------- */
.hero{position:relative;padding:56px 0 64px;border-top:0;background-image:linear-gradient(105deg,rgba(250,247,242,.97) 0%,rgba(250,247,242,.92) 52%,rgba(243,237,227,.85) 100%),url('/assets/images/2da9c83e155699ff.webp');background-size:cover;background-position:center;border-bottom:1px solid var(--c-line);}
.hero-grid{display:grid;grid-template-columns:1fr 400px;gap:44px;align-items:center;}
.hero-copy h1{font-size:clamp(27px,3.2vw,41px);font-weight:700;line-height:1.26;letter-spacing:-.015em;color:var(--c-ink);margin:18px 0 0;}
.hero-lead{margin-top:14px;font-size:17px;font-weight:600;color:var(--c-primary);}
.hero-text{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--c-body);max-width:60ch;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}
.trust-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;}
.trust-row li{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--c-body);}
.trust-row li::before{content:"";width:16px;height:16px;border-radius:50%;background:rgba(23,69,61,.1) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2 6.6 11 12 5.4' fill='none' stroke='%2317453D' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;}
.hero-coupon{position:relative;}
.coupon-main{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-3);overflow:hidden;}
.coupon-main::before{content:"";position:absolute;left:0;top:0;width:100%;height:6px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));}
.coupon-head{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-muted);letter-spacing:.04em;padding-top:4px;}
.coupon-tag{background:rgba(240,164,92,.2);color:#9A5B18;border-radius:var(--r-pill);padding:2px 10px;font-weight:600;font-size:12px;}
.coupon-title{font-size:26px;font-weight:700;color:var(--c-ink);margin-top:16px;letter-spacing:-.01em;}
.coupon-sub{margin-top:8px;font-size:13.5px;color:var(--c-body);line-height:1.7;min-height:46px;}
.coupon-main .btn{margin-top:18px;}
.coupon-note{margin-top:10px;font-size:12px;color:var(--c-muted);text-align:center;}
.coupon-stack{margin-top:14px;display:grid;gap:10px;}
.coupon-mini{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-md);padding:12px 16px;font-size:13px;color:var(--c-body);box-shadow:var(--sh-1);}
.coupon-mini::after{content:"待领取";font-size:12px;font-weight:600;color:var(--c-primary);background:rgba(23,69,61,.08);border-radius:var(--r-pill);padding:2px 10px;white-space:nowrap;}

/* ---------- feature matrix ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.feature-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:flex;flex-direction:column;}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(23,69,61,.25);}
.feature-card.large{grid-column:span 2;padding:28px;}
.feature-card h3{font-size:17px;font-weight:600;color:var(--c-ink);margin-top:14px;}
.feature-card.large h3{font-size:19px;}
.feature-card p{font-size:13.8px;line-height:1.75;color:var(--c-body);margin-top:8px;}
.feature-card .text-link{margin-top:auto;padding-top:14px;font-size:13.5px;font-weight:600;color:var(--c-primary);}
.feature-card .text-link:hover{text-decoration:underline;text-underline-offset:3px;}
.icon-box{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(23,69,61,.08);color:var(--c-primary);flex:0 0 auto;}
.icon-box svg{width:22px;height:22px;}
.icon-box.violet{background:rgba(110,90,140,.1);color:var(--c-violet);}
.icon-box.amber{background:rgba(240,164,92,.16);color:#9A5B18;}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.stat-item{padding:26px 22px;border-left:1px solid var(--c-line);}
.stat-item:first-child{border-left:0;}
.stat-num{font-size:32px;font-weight:700;color:var(--c-primary);line-height:1.1;letter-spacing:-.02em;}
.stat-num span{font-size:15px;font-weight:600;margin-left:2px;}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--c-body);line-height:1.65;}

/* ---------- tiers ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start;}
.tier-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:0 24px 24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease;overflow:hidden;}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.tier-bar{height:6px;margin:0 -24px 20px;}
.tier-card:nth-child(1) .tier-bar{background:#8FA9A2;}
.tier-card:nth-child(2) .tier-bar{background:linear-gradient(90deg,var(--c-primary),var(--c-primary-light));}
.tier-card:nth-child(3) .tier-bar{background:var(--c-violet);}
.tier-card.recommend{border-color:var(--c-primary);box-shadow:0 12px 30px rgba(23,69,61,.13);transform:translateY(-8px);}
.tier-card.recommend:hover{transform:translateY(-11px);}
.tier-name{font-size:17px;font-weight:600;color:var(--c-ink);}
.tier-price{display:flex;align-items:baseline;gap:6px;margin-top:12px;}
.tier-price strong{font-size:27px;font-weight:700;color:var(--c-primary);letter-spacing:-.02em;}
.tier-price em{font-style:normal;font-size:13px;color:var(--c-muted);}
.tier-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.tier-list li{display:flex;gap:9px;font-size:13.8px;line-height:1.65;color:var(--c-body);}
.tier-list li::before{content:"";flex:0 0 auto;width:15px;height:15px;margin-top:4px;border-radius:50%;background:rgba(23,69,61,.09) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2 6.6 11 12 5.4' fill='none' stroke='%2317453D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/11px no-repeat;}
.tier-btn{margin-top:22px;}

/* ---------- countdown ---------- */
.countdown-bar{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between;background:var(--c-dark);border-radius:var(--r-lg);padding:26px 30px;color:#F7F4EE;}
.countdown-bar h3{font-size:20px;font-weight:600;color:#F7F4EE;}
.countdown-bar p{font-size:13.5px;color:rgba(247,244,238,.72);margin-top:6px;max-width:56ch;}
.countdown-side{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.countdown{font-size:24px;font-weight:700;letter-spacing:.06em;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.countdown-bar .btn-primary{background:var(--c-accent);color:#3A2410;}
.countdown-bar .btn-primary:hover{background:#E9974B;color:#3A2410;}
.countdown-bar .btn-ghost{border-color:rgba(247,244,238,.4);color:#F7F4EE;}
.countdown-bar .btn-ghost:hover{background:rgba(247,244,238,.12);color:#F7F4EE;}

/* ---------- post cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.post-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(23,69,61,.22);}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-alt);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.post-body h3{font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:13.3px;line-height:1.7;color:var(--c-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px;font-size:12.5px;color:var(--c-muted);}
.empty-state{background:var(--c-bg-alt);border:1px dashed var(--c-line);border-radius:var(--r-md);padding:38px 24px;text-align:center;}
.empty-state .icon-box{margin:0 auto 14px;}
.empty-state .empty-en{font-size:14px;color:var(--c-ink);font-weight:600;}
.empty-state .empty-cn{margin-top:6px;font-size:13px;color:var(--c-muted);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step-item{position:relative;padding:22px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);}
.step-item::after{content:"";position:absolute;top:36px;right:-12px;width:12px;border-top:2px dashed var(--c-line);}
.step-item:last-child::after{display:none;}
.step-num{width:36px;height:36px;border-radius:50%;background:rgba(23,69,61,.09);color:var(--c-primary);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;}
.step-item h3{font-size:15.5px;font-weight:600;color:var(--c-ink);margin-top:14px;}
.step-item p{font-size:13.4px;line-height:1.7;color:var(--c-body);margin-top:7px;}

/* ---------- safety ---------- */
.safety-grid{display:grid;grid-template-columns:1fr 380px;gap:26px;align-items:stretch;}
.safety-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:18px;}
.safety-item{display:flex;gap:14px;}
.safety-item h3{font-size:15.5px;font-weight:600;color:var(--c-ink);}
.safety-item p{font-size:13.6px;line-height:1.72;color:var(--c-body);margin-top:5px;}
.safety-dark{background:var(--c-primary);color:#F7F4EE;border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:inset 0 0 0 1px rgba(247,244,238,.14);}
.safety-dark h3{font-size:19px;font-weight:600;color:#F7F4EE;line-height:1.45;}
.safety-dark p{font-size:13.6px;line-height:1.75;color:rgba(247,244,238,.78);margin-top:10px;}
.safety-dark .btn{margin-top:22px;background:var(--c-accent);color:#3A2410;}
.safety-dark .btn:hover{background:#E9974B;color:#3A2410;}

/* ---------- cities & nearby ---------- */
.city-chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px;}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);font-size:13.5px;color:var(--c-body);cursor:pointer;transition:all .16s ease;}
.chip:hover{border-color:var(--c-primary-light);color:var(--c-primary);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#F7F4EE;font-weight:600;}
.near-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.near-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;}
.near-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.near-card img{aspect-ratio:3/2;width:100%;object-fit:cover;}
.near-body{padding:16px 18px 18px;}
.near-body h3{font-size:15px;font-weight:600;color:var(--c-ink);}
.near-body p{font-size:13.2px;line-height:1.7;color:var(--c-body);margin-top:7px;}
.near-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}

/* ---------- stories ---------- */
.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.story-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease;}
.story-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.story-card.wide{grid-column:span 3;display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:center;padding:26px;background:linear-gradient(120deg,#FFFFFF 0%,#F8F4EC 100%);}
.story-avatar{width:52px;height:52px;border-radius:50%;overflow:hidden;border:2px solid var(--c-surface);box-shadow:var(--sh-1);flex:0 0 auto;background:var(--c-bg-alt);}
.story-card.wide .story-avatar{width:104px;height:104px;}
.story-avatar img{width:100%;height:100%;object-fit:cover;}
.story-head{display:flex;align-items:center;gap:12px;}
.story-name{font-size:14px;font-weight:600;color:var(--c-ink);}
.story-city{font-size:12.5px;color:var(--c-muted);margin-top:2px;}
.story-quote{margin-top:14px;font-size:13.8px;line-height:1.8;color:var(--c-body);}
.story-card.wide .story-quote{font-size:15.5px;}
.story-tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- promise ---------- */
.promise-bar{display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:space-between;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 30px;}
.promise-items{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;flex:1 1 560px;}
.promise-item{display:flex;align-items:center;gap:11px;font-size:13.8px;color:var(--c-ink);font-weight:500;}
.promise-item .icon-box{width:38px;height:38px;border-radius:10px;}
.promise-item .icon-box svg{width:18px;height:18px;}

/* ---------- guides ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.guide-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-primary);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;}
.guide-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.guide-card:nth-child(2){border-left-color:var(--c-violet);}
.guide-card:nth-child(3){border-left-color:var(--c-accent);}
.guide-card h3{font-size:16px;font-weight:600;color:var(--c-ink);margin-top:14px;}
.guide-card p{font-size:13.5px;line-height:1.72;color:var(--c-body);margin-top:8px;}
.guide-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}

/* ---------- change log ---------- */
.log-list{position:relative;padding-left:26px;}
.log-list::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--c-line);}
.log-item{position:relative;padding:0 0 24px 4px;}
.log-item:last-child{padding-bottom:0;}
.log-item::before{content:"";position:absolute;left:-26px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--c-surface);border:2px solid var(--c-primary);}
.log-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.log-ver{font-size:13px;font-weight:600;color:var(--c-primary);background:rgba(23,69,61,.09);border-radius:var(--r-pill);padding:2px 11px;}
.log-date{font-size:12.5px;color:var(--c-muted);}
.log-item ul{margin-top:9px;display:flex;flex-direction:column;gap:6px;}
.log-item li{position:relative;padding-left:15px;font-size:13.6px;line-height:1.7;color:var(--c-body);}
.log-item li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:1px;background:rgba(23,69,61,.35);}

/* ---------- partners ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.partner-cell{display:flex;align-items:center;justify-content:center;height:74px;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-md);font-size:14px;font-weight:600;color:var(--c-primary);letter-spacing:.04em;transition:border-color .18s ease,background .18s ease,transform .18s ease;}
.partner-cell:hover{border-color:var(--c-primary-light);background:var(--c-surface);transform:translateY(-2px);}

/* ---------- faq ---------- */
.faq-list{border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item{border-top:1px solid var(--c-line);}
.faq-item:first-child{border-top:0;}
.faq-item summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;cursor:pointer;padding:19px 22px;font-size:15px;font-weight:600;color:var(--c-ink);transition:background .16s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--c-bg);}
.faq-item summary::after{content:"+";font-size:20px;font-weight:400;color:var(--c-primary);line-height:1;transition:transform .18s ease;}
.faq-item[open] summary::after{content:"–";}
.faq-item[open] summary{border-left:3px solid var(--c-primary);padding-left:19px;background:var(--c-bg);}
.faq-a{padding:0 22px 20px;font-size:14.3px;line-height:1.85;color:var(--c-body);}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 380px;gap:26px;align-items:start;}
.form-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13.5px;font-weight:600;color:var(--c-ink);}
.req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-left:5px;vertical-align:2px;}
.field input,.field select,.field textarea{height:44px;border:1px solid var(--c-line);border-radius:var(--r-sm);padding:0 13px;background:var(--c-surface);font-size:14px;outline:none;transition:border-color .16s ease,box-shadow .16s ease;}
.field textarea{height:auto;min-height:104px;padding:11px 13px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(23,69,61,.14);}
.field input:user-invalid,.field textarea:user-invalid{border-color:var(--c-warn);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.check-line{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--c-body);line-height:1.6;margin:6px 0 20px;}
.check-line input{width:16px;height:16px;margin-top:3px;accent-color:var(--c-primary);}
.info-card{background:var(--c-dark);color:#F7F4EE;border-radius:var(--r-lg);padding:28px;box-shadow:inset 0 0 0 1px rgba(247,244,238,.12);}
.info-card h3{font-size:18px;font-weight:600;color:#F7F4EE;}
.info-card dl{margin:16px 0 0;display:flex;flex-direction:column;gap:13px;}
.info-card dt{font-size:12.5px;color:rgba(247,244,238,.6);letter-spacing:.04em;}
.info-card dd{margin:3px 0 0;font-size:14px;color:#F7F4EE;}
.qr-box{margin-top:22px;display:flex;align-items:center;gap:14px;background:rgba(247,244,238,.08);border-radius:var(--r-md);padding:14px;}
.qr-placeholder{width:64px;height:64px;border-radius:10px;background:repeating-linear-gradient(45deg,rgba(247,244,238,.35) 0 4px,transparent 4px 8px);border:1px solid rgba(247,244,238,.3);flex:0 0 auto;}
.qr-box p{font-size:12.5px;line-height:1.6;color:rgba(247,244,238,.75);}

/* ---------- footer ---------- */
.site-footer{margin-top:0;background:var(--c-dark);color:#F7F4EE;border-top:3px solid var(--c-primary);}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px;}
.footer-brand .brand-text strong{color:#F7F4EE;}
.footer-brand .brand-text em{color:rgba(247,244,238,.55);}
.footer-brand .brand-mark{background:rgba(247,244,238,.12);}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.8;color:rgba(247,244,238,.68);max-width:34ch;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social span{width:34px;height:34px;border-radius:10px;background:rgba(247,244,238,.1);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(247,244,238,.8);}
.footer-col h4{font-size:13px;font-weight:600;color:#F7F4EE;letter-spacing:.06em;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:13.4px;color:rgba(247,244,238,.7);}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-legal{border-top:1px solid rgba(247,244,238,.14);padding:20px 0;font-size:12.5px;color:rgba(247,244,238,.55);line-height:1.8;}
.footer-legal .legal-links{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:8px;}
.footer-legal a:hover{color:var(--c-accent);}
.footer-bottom{border-top:1px solid rgba(247,244,238,.14);padding:16px 0 24px;font-size:12.5px;color:rgba(247,244,238,.45);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}

/* ---------- offcanvas ---------- */
.offcanvas.drawer{background:var(--c-surface);width:300px;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line);}
.drawer-head strong{font-size:14.5px;color:var(--c-ink);}
.drawer-body{padding:16px 20px 28px;overflow-y:auto;}
.drawer-body .toc-nav{padding-left:12px;}
.drawer-link{display:block;padding:9px 10px;font-size:14px;color:var(--c-body);border-radius:var(--r-sm);}
.drawer-link:hover,.drawer-link.active{background:rgba(23,69,61,.07);color:var(--c-primary);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:230px minmax(0,1fr);gap:32px;}
  .hero-grid{grid-template-columns:1fr 360px;gap:32px;}
  .safety-grid,.contact-grid{grid-template-columns:1fr 330px;}
}
@media (max-width:991px){
  .docs-sidebar{display:none;}
  .layout{grid-template-columns:minmax(0,1fr);gap:0;padding:24px 0 48px;}
  .dir-btn{display:inline-flex;align-items:center;}
  .lang-select{display:none;}
  .hero{padding:40px 0 48px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .hero-coupon{max-width:440px;}
  .section{padding:56px 0;}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-card.large{grid-column:span 2;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item:nth-child(3){border-left:0;}
  .stat-item:nth-child(n+3){border-top:1px solid var(--c-line);}
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tier-card.recommend{transform:none;}
  .tier-card.recommend:hover{transform:translateY(-3px);}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-item::after{display:none;}
  .safety-grid,.contact-grid{grid-template-columns:minmax(0,1fr);}
  .post-grid,.near-grid,.story-grid,.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .story-card.wide{grid-column:span 2;grid-template-columns:88px 1fr;}
  .story-card.wide .story-avatar{width:82px;height:82px;}
  .promise-items{grid-template-columns:repeat(2,minmax(0,1fr));}
  .partner-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .header-bar{height:56px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{font-size:10.5px;}
  .search-box{position:absolute;left:16px;right:16px;top:56px;max-width:none;display:none;z-index:5;box-shadow:var(--sh-2);}
  .search-box.open{display:flex;}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--c-line);color:var(--c-primary);}
  .version-group{display:none;}
  .header-actions{gap:8px;}
  .nav-inner{height:auto;padding:6px 0;gap:4px;}
  .nav-link{font-size:13px;height:32px;padding:0 11px;}
  .section{padding:40px 0;}
  .hero{padding:32px 0 40px;}
  .hero-copy h1{font-size:clamp(24px,7vw,30px);}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .coupon-title{font-size:22px;}
  .coupon-main{padding:20px;}
  .feature-grid,.stats,.tier-grid,.steps,.post-grid,.near-grid,.story-grid,.guide-grid,.promise-items{grid-template-columns:minmax(0,1fr);}
  .feature-card.large{grid-column:span 1;padding:22px;}
  .stat-item{border-left:0;border-top:1px solid var(--c-line);padding:20px 18px;}
  .stat-item:first-child{border-top:0;}
  .stat-num{font-size:27px;}
  .story-card.wide{grid-column:span 1;grid-template-columns:1fr;padding:20px;}
  .story-card.wide .story-avatar{width:64px;height:64px;}
  .partner-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .countdown-bar{padding:22px;gap:16px;}
  .countdown{font-size:20px;}
  .countdown-side{width:100%;}
  .countdown-side .btn{width:100%;}
  .promise-bar{padding:20px;gap:18px;}
  .promise-items{flex:1 1 100%;}
  .footer-top{grid-template-columns:1fr;padding:36px 0 26px;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .field-row{grid-template-columns:1fr;}
  .form-card,.info-card{padding:22px;}
  .faq-item summary{padding:16px 18px;font-size:14.2px;}
  .faq-a{padding:0 18px 18px;}
  .tier-card.recommend{border-width:1.5px;}
}

/* roulang page: article */
:root{
  --c-primary:#17453D;
  --c-primary-light:#1F5A4F;
  --c-primary-dark:#102F2A;
  --c-accent:#F0A45C;
  --c-violet:#6E5A8C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F3EDE3;
  --c-surface:#FFFFFF;
  --c-dark:#12211E;
  --c-ink:#1B2422;
  --c-body:#4A5654;
  --c-muted:#7C8785;
  --c-line:#E4DED4;
  --c-success:#3E7D5A;
  --c-warn:#C4763A;
  --c-error:#B4453A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,69,61,.06);
  --sh-2:0 8px 24px rgba(23,69,61,.08);
  --sh-3:0 14px 32px rgba(23,69,61,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:15.5px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease;}
a:hover{color:var(--c-primary-light);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
p{margin:0 0 18px;}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:600;line-height:1.32;}
ul,ol{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:var(--sh-2);}
.header-bar{height:60px;display:flex;align-items:center;}
.header-inner{display:flex;align-items:center;gap:20px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));display:flex;align-items:center;justify-content:center;color:#F7F4EE;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-muted);letter-spacing:.02em;white-space:nowrap;}
.search-box{position:relative;flex:1 1 auto;max-width:400px;display:flex;align-items:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);height:40px;padding:0 6px 0 14px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,69,61,.1);background:var(--c-surface);}
.search-box svg{width:16px;height:16px;color:var(--c-muted);flex:0 0 auto;}
.search-box input{flex:1;border:0;background:transparent;height:100%;padding:0 8px;font-size:14px;outline:none;min-width:0;}
.search-box input::placeholder{color:var(--c-muted);}
.search-box button{height:30px;padding:0 14px;border:0;border-radius:var(--r-pill);background:var(--c-primary);color:#F7F4EE;font-size:13px;font-weight:600;cursor:pointer;transition:background .18s ease;}
.search-box button:hover{background:var(--c-primary-dark);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.mini-select{height:36px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-sm);padding:0 26px 0 10px;font-size:13px;color:var(--c-body);appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5 6 8.5l4-4' fill='none' stroke='%237C8785' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:12px;transition:border-color .18s ease;}
.mini-select:hover{border-color:var(--c-primary-light);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid transparent;font-size:14.5px;font-weight:600;cursor:pointer;transition:transform .16s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#F7F4EE;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-dark);color:#F7F4EE;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(23,69,61,.08);color:var(--c-primary-dark);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}
.dir-btn{display:none;align-items:center;height:36px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);font-size:13.5px;color:var(--c-primary);cursor:pointer;font-weight:600;}
.dir-btn:hover{border-color:var(--c-primary);background:rgba(23,69,61,.06);}
.search-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--c-line);border-radius:var(--r-sm);background:var(--c-surface);color:var(--c-primary);cursor:pointer;}
.search-toggle svg{width:16px;height:16px;}
.main-nav{border-top:1px solid var(--c-line);background:var(--c-surface);}
.nav-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.nav-inner::-webkit-scrollbar{display:none;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-sm);font-size:14px;color:var(--c-body);white-space:nowrap;transition:background .18s ease,color .18s ease;}
.nav-link:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.nav-link.active{background:rgba(23,69,61,.09);color:var(--c-primary);font-weight:600;}

/* ============ offcanvas drawer ============ */
.doc-drawer{width:300px;background:var(--c-surface);border-left:1px solid var(--c-line);}
.doc-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px;}
.doc-drawer .offcanvas-title{font-size:15px;font-weight:700;color:var(--c-ink);}
.doc-drawer .offcanvas-body{padding:18px 20px 28px;}
.toc-group-label{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-muted);font-weight:700;margin:0 0 10px;}
.toc-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-line);padding-left:12px;}
.toc-nav a{display:block;padding:7px 10px;border-radius:var(--r-sm);font-size:13.5px;color:var(--c-body);line-height:1.5;border-left:3px solid transparent;margin-left:-13px;padding-left:12px;transition:background .18s ease,color .18s ease,border-color .18s ease;}
.toc-nav a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.toc-nav a.active{background:rgba(23,69,61,.08);color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);}
.toc-cta{margin-top:22px;padding:16px;border-radius:var(--r-md);background:var(--c-bg-alt);}
.toc-cta p{font-size:12.5px;line-height:1.65;color:var(--c-body);margin:8px 0 12px;}
.toc-cta-link{font-size:13px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(23,69,61,.3);padding-bottom:2px;}
.toc-cta-link:hover{border-color:var(--c-primary);}

/* ============ layout ============ */
.page-main{padding-bottom:8px;}
.doc-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:start;padding:26px 0 64px;}
.doc-side{min-width:0;}
.toc-card{position:sticky;top:128px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--sh-1);}
.toc-card .toc-title{font-size:13px;font-weight:700;color:var(--c-ink);letter-spacing:.02em;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.toc-card .toc-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-primary);}
.content-col{min-width:0;}

/* ============ breadcrumb ============ */
.breadcrumb-bar{font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:14px;line-height:1.6;}
.breadcrumb-bar a{color:var(--c-muted);}
.breadcrumb-bar a:hover{color:var(--c-primary);}
.breadcrumb-bar .sep{color:var(--c-line);}
.breadcrumb-bar .current{color:var(--c-body);}

/* ============ article head ============ */
.article-shell{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.article-head{padding:34px 40px 26px;border-bottom:1px solid var(--c-line);background:linear-gradient(180deg,#FFFFFF 0%,#FCFAF6 100%);}
.article-cat{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--c-primary);background:rgba(23,69,61,.08);border-radius:var(--r-pill);padding:5px 13px;margin-bottom:14px;}
.article-title{font-size:clamp(26px,3.1vw,36px);font-weight:700;line-height:1.28;letter-spacing:-.012em;color:var(--c-ink);margin-bottom:16px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:13px;color:var(--c-muted);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);}
.share-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:18px;}
.share-bar .share-label{font-size:12.5px;color:var(--c-muted);margin-right:2px;}
.share-btn{height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);font-size:12.5px;color:var(--c-body);cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .18s ease;}
.share-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(23,69,61,.06);}
.share-btn:active{transform:translateY(1px);}

/* ============ article body ============ */
.article-body{padding:34px 40px 40px;font-size:15.8px;line-height:1.85;color:var(--c-body);max-width:none;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{position:relative;font-size:clamp(20px,2vw,25px);font-weight:600;color:var(--c-ink);line-height:1.4;margin:40px 0 16px;padding-left:14px;}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);}
.article-body h3{font-size:18px;font-weight:600;color:var(--c-ink);margin:28px 0 12px;}
.article-body h4{font-size:16px;font-weight:600;color:var(--c-ink);margin:22px 0 10px;}
.article-body ul{margin:0 0 18px;padding:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:9px;list-style:none;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;background:rgba(23,69,61,.35);}
.article-body ol{margin:0 0 18px;padding-left:20px;list-style:decimal;}
.article-body ol li{margin-bottom:9px;}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:var(--c-bg-alt);border-left:3px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;font-style:normal;color:var(--c-body);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);border:1px solid var(--c-line);margin:22px 0 8px;height:auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--c-primary-dark);}
.article-body strong{color:var(--c-ink);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:600;}

/* ============ tags ============ */
.tag-block{padding:0 40px 30px;}
.tag-block .tag-title{font-size:13px;color:var(--c-muted);margin-bottom:10px;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag-pill{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);font-size:12.5px;background:rgba(23,69,61,.07);color:var(--c-primary);transition:background .18s ease;}
.tag-pill:hover{background:rgba(23,69,61,.14);color:var(--c-primary-dark);}

/* ============ sections ============ */
.section{padding:56px 0;border-top:1px solid var(--c-line);}
.section-alt{background:var(--c-bg-alt);}
.section-head{margin-bottom:26px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--c-primary);background:rgba(23,69,61,.08);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:12px;}
.section-head h2{font-size:clamp(21px,2.1vw,28px);font-weight:600;color:var(--c-ink);line-height:1.35;margin-bottom:10px;}
.section-head p{font-size:14.5px;color:var(--c-body);margin:0;max-width:64ch;}

/* ============ cards ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(23,69,61,.22);}
.rel-thumb{position:relative;aspect-ratio:4/3;background:var(--c-bg-alt);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease-out;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-body .cat-mini{font-size:11.5px;font-weight:600;color:var(--c-violet);background:rgba(110,90,140,.1);border-radius:var(--r-pill);padding:3px 10px;align-self:flex-start;letter-spacing:.02em;}
.rel-body h3{font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body time{font-size:12.5px;color:var(--c-muted);margin-top:auto;}

.pair-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.pair-card{display:flex;flex-direction:column;gap:8px;padding:24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.pair-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(23,69,61,.22);}
.pair-card .pair-label{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--c-muted);}
.pair-card h3{font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.45;}
.pair-card p{font-size:13.5px;color:var(--c-body);margin:0;}
.pair-card .pair-more{font-size:13px;font-weight:600;color:var(--c-primary);margin-top:6px;display:inline-flex;align-items:center;gap:6px;}
.pair-card .pair-more::after{content:"→";transition:transform .18s ease;}
.pair-card:hover .pair-more::after{transform:translateX(3px);}

.cta-strip{margin:0;background:var(--c-primary);color:#F7F4EE;border-radius:var(--r-lg);padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;border:1px solid rgba(255,255,255,.1);}
.cta-strip h3{color:#F7F4EE;font-size:19px;font-weight:600;margin-bottom:6px;}
.cta-strip p{color:rgba(247,244,238,.82);font-size:13.8px;margin:0;max-width:60ch;}
.cta-strip .btn-light-pill{background:#F7F4EE;color:var(--c-primary-dark);border-color:#F7F4EE;font-weight:700;}
.cta-strip .btn-light-pill:hover{background:#FFFFFF;color:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.16);}

/* ============ fallback ============ */
.empty-card{padding:48px 32px;text-align:center;background:var(--c-bg-alt);border:1px dashed var(--c-line);border-radius:var(--r-md);}
.empty-card h2{font-size:20px;margin-bottom:10px;color:var(--c-ink);}
.empty-card p{font-size:14px;color:var(--c-body);margin-bottom:18px;}

/* ============ footer ============ */
.site-footer{background:var(--c-dark);color:#F7F4EE;border-top:3px solid var(--c-primary);margin-top:16px;}
.site-footer .wrap{padding-top:56px;padding-bottom:22px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(247,244,238,.12);}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(247,244,238,.1);color:#F7F4EE;}
.footer-brand .brand-text strong{color:#F7F4EE;}
.footer-brand .brand-text em{color:rgba(247,244,238,.6);}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(247,244,238,.72);margin:0 0 16px;max-width:42ch;}
.footer-social{display:flex;gap:10px;}
.footer-social span{font-size:12px;padding:4px 12px;border-radius:var(--r-pill);background:rgba(247,244,238,.08);color:rgba(247,244,238,.78);}
.footer-col h4{font-size:13.5px;font-weight:700;color:#F7F4EE;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:13.2px;color:rgba(247,244,238,.7);line-height:1.6;}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-legal{padding:22px 0;border-bottom:1px solid rgba(247,244,238,.12);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.legal-links{display:flex;flex-wrap:wrap;gap:16px;}
.legal-links a{font-size:12.5px;color:rgba(247,244,238,.65);}
.legal-links a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-legal p{font-size:12.5px;line-height:1.8;color:rgba(247,244,238,.55);margin:0;max-width:64ch;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:18px;font-size:12.5px;color:rgba(247,244,238,.55);}

/* ============ responsive ============ */
@media (max-width:1199px){
  .doc-layout{grid-template-columns:240px minmax(0,1fr);gap:28px;}
  .wrap{padding:0 20px;}
  .article-head{padding:30px 32px 24px;}
  .article-body{padding:30px 32px 36px;}
  .tag-block{padding:0 32px 26px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991px){
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .doc-side{display:none;}
  .dir-btn{display:inline-flex;}
  .search-box{display:none;}
  .search-toggle{display:inline-flex;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;}
  .cta-strip{padding:24px 22px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .wrap{padding:0 16px;}
  .header-bar{height:56px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{font-size:10.5px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .header-actions{gap:8px;}
  .header-actions .btn-sm{display:none;}
  .nav-inner{height:44px;}
  .nav-link{font-size:13.2px;padding:0 11px;height:32px;}
  .doc-layout{padding:18px 0 44px;}
  .article-shell{border-radius:var(--r-md);}
  .article-head{padding:22px 18px 18px;}
  .article-title{font-size:24px;}
  .article-body{padding:22px 18px 26px;font-size:15.2px;line-height:1.82;}
  .article-body h2{margin-top:32px;}
  .tag-block{padding:0 18px 22px;}
  .section{padding:40px 0;}
  .rel-grid,.pair-grid{grid-template-columns:minmax(0,1fr);}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:22px 18px;}
  .cta-strip .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:26px;}
  .footer-brand{grid-column:auto;}
  .site-footer .wrap{padding-top:40px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .search-box.mobile-open{display:flex;position:absolute;left:12px;right:12px;top:10px;max-width:none;z-index:40;box-shadow:var(--sh-2);}
}
@media (max-width:519px){
  .article-meta{font-size:12.2px;gap:6px 12px;}
  .share-btn{font-size:12px;padding:0 11px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#17453D;
  --c-primary-light:#1F5A4F;
  --c-primary-dark:#102F2A;
  --c-accent:#F0A45C;
  --c-violet:#6E5A8C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F3EDE3;
  --c-surface:#FFFFFF;
  --c-dark:#12211E;
  --c-ink:#1B2422;
  --c-body:#4A5654;
  --c-muted:#7C8785;
  --c-line:#E4DED4;
  --c-success:#3E7D5A;
  --c-warn:#C4763A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,69,61,.06);
  --sh-2:0 8px 24px rgba(23,69,61,.08);
  --sh-3:0 14px 32px rgba(23,69,61,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:15.5px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-light);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:600;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.wrap-wide{max-width:1240px;}
::selection{background:rgba(23,69,61,.16);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:var(--sh-2);}
.header-bar{height:60px;display:flex;align-items:center;}
.header-inner{display:flex;align-items:center;gap:18px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));display:flex;align-items:center;justify-content:center;color:#F7F4EE;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:15.5px;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-muted);letter-spacing:.02em;white-space:nowrap;}
.search-box{position:relative;flex:1 1 auto;max-width:400px;display:flex;align-items:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);height:40px;padding:0 6px 0 14px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,69,61,.1);background:var(--c-surface);}
.search-box svg{width:16px;height:16px;color:var(--c-muted);flex:0 0 auto;}
.search-box input{flex:1;border:0;background:transparent;height:100%;padding:0 8px;font-size:14px;outline:none;min-width:0;}
.search-box input::placeholder{color:var(--c-muted);}
.search-box .search-go{border:0;background:var(--c-primary);color:#F7F4EE;border-radius:var(--r-pill);height:30px;padding:0 14px;font-size:13px;font-weight:600;cursor:pointer;transition:background .18s ease;}
.search-box .search-go:hover{background:var(--c-primary-dark);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.mini-select{height:36px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-sm);padding:0 26px 0 10px;font-size:13px;color:var(--c-body);appearance:none;cursor:pointer;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5 6 8.5l4-4' fill='none' stroke='%237C8785' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:12px;transition:border-color .18s ease,box-shadow .18s ease;}
.mini-select:hover{border-color:var(--c-primary-light);}
.mini-select:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid transparent;font-size:14.5px;font-weight:600;cursor:pointer;transition:transform .16s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#F7F4EE;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-dark);color:#F7F4EE;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(23,69,61,.08);color:var(--c-primary-dark);}
.btn-accent{background:var(--c-accent);color:#3A2410;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#E89544;color:#3A2410;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,.accordion-button:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.dir-btn{height:36px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);font-size:13.5px;color:var(--c-primary);cursor:pointer;display:none;align-items:center;gap:6px;transition:border-color .18s ease,background .18s ease;}
.dir-btn:hover{border-color:var(--c-primary);background:var(--c-bg-alt);}
.main-nav{border-top:1px solid var(--c-line);background:var(--c-surface);}
.nav-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.nav-inner::-webkit-scrollbar{display:none;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-sm);font-size:14px;color:var(--c-body);white-space:nowrap;transition:background .18s ease,color .18s ease;}
.nav-link:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.nav-link.active{background:rgba(23,69,61,.09);color:var(--c-primary);font-weight:600;}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:start;padding-top:32px;padding-bottom:64px;}
.layout-side{min-width:0;}
.toc-card{position:sticky;top:128px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--sh-1);}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-muted);text-transform:uppercase;margin-bottom:14px;}
.toc-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-line);padding-left:12px;}
.toc-nav a{display:block;font-size:13.5px;color:var(--c-body);padding:7px 10px;border-radius:var(--r-sm);border-left:2px solid transparent;margin-left:-13px;padding-left:14px;transition:background .18s ease,color .18s ease,border-color .18s ease;}
.toc-nav a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.toc-nav a.is-active{background:rgba(23,69,61,.08);color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);}
.toc-group{font-size:11px;letter-spacing:.12em;color:var(--c-muted);margin:12px 0 6px;padding-left:2px;}
.toc-cta{margin-top:18px;padding:14px;border-radius:var(--r-sm);background:var(--c-bg-alt);}
.toc-cta .badge-chip{margin-bottom:8px;}
.toc-cta p{font-size:12.5px;line-height:1.65;color:var(--c-body);margin:8px 0 10px;}
.toc-cta-link{font-size:13px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(23,69,61,.3);padding-bottom:2px;}
.toc-cta-link:hover{border-color:var(--c-primary);color:var(--c-primary-dark);}
.content-main{min-width:0;}

/* ---------- page hero ---------- */
.page-hero{background:linear-gradient(180deg,var(--c-bg-alt),var(--c-bg));border:1px solid var(--c-line);border-radius:var(--r-lg);padding:34px 34px 30px;position:relative;overflow:hidden;}
.page-hero::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(23,69,61,.09),transparent 68%);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:16px;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:var(--c-line);}
.crumbs .current{color:var(--c-ink);font-weight:600;}
.page-hero h1{font-size:clamp(26px,3vw,38px);font-weight:700;letter-spacing:-.01em;line-height:1.25;margin-bottom:14px;}
.page-hero .lead{font-size:15.5px;color:var(--c-body);max-width:66ch;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.badge-chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;line-height:1;padding:7px 12px;border-radius:var(--r-pill);background:rgba(23,69,61,.09);color:var(--c-primary);}
.badge-chip.violet{background:rgba(110,90,140,.12);color:#54426E;}
.badge-chip.accent{background:rgba(240,164,92,.18);color:#9A5F1C;}
.anchor-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.anchor-row a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);font-size:13px;color:var(--c-body);transition:border-color .18s ease,color .18s ease,box-shadow .18s ease;}
.anchor-row a:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-1);}

/* ---------- section ---------- */
.section{padding:56px 0;border-top:1px solid var(--c-line);}
.section.no-line{border-top:0;padding-top:44px;}
.section-alt{background:var(--c-bg-alt);border-radius:var(--r-lg);padding:40px 32px;border-top:0;margin-top:32px;}
.sec-head{margin-bottom:26px;}
.sec-head h2{font-size:clamp(20px,2vw,26px);font-weight:600;letter-spacing:-.01em;position:relative;padding-left:14px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);}
.sec-head p{margin-top:10px;font-size:14.5px;color:var(--c-body);max-width:70ch;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--c-primary);background:rgba(23,69,61,.08);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:12px;}

/* ---------- cards ---------- */
.card-soft{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);height:100%;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.card-soft:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#D8D0C3;}
.icon-block{width:44px;height:44px;border-radius:12px;background:rgba(23,69,61,.1);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.icon-block svg{width:22px;height:22px;}
.icon-block.violet{background:rgba(110,90,140,.12);color:#54426E;}
.icon-block.accent{background:rgba(240,164,92,.2);color:#9A5F1C;}
.card-soft h3{font-size:16.5px;font-weight:600;margin-bottom:8px;}
.card-soft p{font-size:14px;line-height:1.75;color:var(--c-body);}
.card-num{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--c-muted);margin-bottom:10px;display:block;}

/* ---------- steps ---------- */
.step-list{display:flex;flex-direction:column;gap:0;position:relative;}
.step-item{display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;padding-bottom:28px;position:relative;}
.step-item:last-child{padding-bottom:0;}
.step-item::before{content:"";position:absolute;left:23px;top:48px;bottom:0;width:2px;background:repeating-linear-gradient(180deg,var(--c-line) 0 6px,transparent 6px 12px);}
.step-item:last-child::before{display:none;}
.step-idx{width:48px;height:48px;border-radius:50%;background:var(--c-surface);border:2px solid var(--c-primary);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;flex:0 0 auto;}
.step-body{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease;}
.step-body:hover{box-shadow:var(--sh-2);transform:translateY(-1px);}
.step-body h3{font-size:16px;margin-bottom:6px;}
.step-body p{font-size:14px;color:var(--c-body);}
.step-meta{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:12.5px;color:var(--c-muted);}
.step-figure{margin-top:28px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg-alt);}
.step-figure img{width:100%;height:auto;object-fit:cover;aspect-ratio:16/7;}
.figure-cap{font-size:13px;color:var(--c-muted);text-align:center;padding:10px 12px;background:var(--c-surface);border-top:1px solid var(--c-line);}

/* ---------- check list ---------- */
.check-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);height:100%;}
.check-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--c-body);line-height:1.7;}
.check-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;color:var(--c-success);}
.check-list li b{color:var(--c-ink);font-weight:600;}

/* ---------- warn block ---------- */
.warn-block{background:rgba(240,164,92,.12);border:1px solid rgba(196,118,58,.28);border-radius:var(--r-md);padding:26px;}
.warn-block h3{font-size:16.5px;margin-bottom:14px;color:#8A4E18;}
.warn-list{display:flex;flex-direction:column;gap:12px;}
.warn-list li{display:flex;gap:10px;font-size:14px;color:#6B4B2C;line-height:1.7;}
.warn-list li i{font-style:normal;flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:rgba(196,118,58,.24);color:#8A4E18;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px;}
.warn-list li b{color:#6B4B2C;font-weight:700;}

/* ---------- posts ---------- */
.post-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);height:100%;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#D8D0C3;color:inherit;}
.post-thumb{overflow:hidden;background:var(--c-bg-alt);aspect-ratio:4/3;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:15.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:13.5px;line-height:1.7;color:var(--c-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px;font-size:12.5px;color:var(--c-muted);}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-primary);}
.arrow-link::after{content:"→";transition:transform .18s ease;}
.arrow-link:hover::after{transform:translateX(3px);}
.empty-state{border:1px dashed var(--c-line);background:var(--c-bg-alt);border-radius:var(--r-md);padding:36px 24px;text-align:center;color:var(--c-muted);font-size:14px;}
.empty-state strong{display:block;color:var(--c-ink);font-size:15.5px;margin-bottom:6px;}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item .accordion-button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;padding:20px 4px 20px 0;font-size:15.5px;font-weight:600;color:var(--c-ink);text-align:left;position:relative;box-shadow:none;transition:color .18s ease,padding .18s ease;}
.faq-item .accordion-button::before{content:"";position:absolute;left:-14px;top:18px;bottom:18px;width:3px;border-radius:2px;background:transparent;transition:background .18s ease;}
.faq-item .accordion-button:hover{color:var(--c-primary);}
.faq-item .accordion-button:not(.collapsed){color:var(--c-primary);}
.faq-item .accordion-button:not(.collapsed)::before{background:var(--c-primary);}
.faq-item .accordion-button::after{display:none;}
.faq-item .sign{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;color:var(--c-primary);font-weight:600;transition:background .18s ease,border-color .18s ease,color .18s ease;}
.faq-item .accordion-button:not(.collapsed) .sign{background:var(--c-primary);border-color:var(--c-primary);color:#F7F4EE;}
.faq-item .accordion-body{padding:0 4px 22px 0;font-size:14.5px;line-height:1.85;color:var(--c-body);max-width:74ch;}

/* ---------- cta ---------- */
.cta-band{background:var(--c-dark);border-radius:var(--r-lg);padding:40px 36px;color:#F7F4EE;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;border:1px solid rgba(255,255,255,.08);}
.cta-band h2{color:#F7F4EE;font-size:clamp(19px,2vw,24px);margin-bottom:8px;}
.cta-band p{color:rgba(247,244,238,.76);font-size:14.5px;max-width:56ch;}
.cta-band .btn-ghost{border-color:rgba(247,244,238,.5);color:#F7F4EE;}
.cta-band .btn-ghost:hover{background:rgba(247,244,238,.12);color:#F7F4EE;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:#F7F4EE;border-top:3px solid var(--c-primary);margin-top:24px;}
.site-footer .wrap{padding-top:56px;padding-bottom:26px;}
.footer-top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:36px;}
.footer-brand .brand-text strong{color:#F7F4EE;}
.footer-brand .brand-text em{color:rgba(247,244,238,.6);}
.footer-brand .brand-mark{background:rgba(247,244,238,.12);}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(247,244,238,.66);margin-top:16px;max-width:40ch;}
.footer-social{display:flex;gap:10px;margin-top:16px;}
.footer-social span{font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(247,244,238,.1);color:rgba(247,244,238,.8);}
.footer-col h4{font-size:13.5px;color:#F7F4EE;letter-spacing:.04em;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:rgba(247,244,238,.7);}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-legal{border-top:1px solid rgba(247,244,238,.12);margin-top:36px;padding-top:22px;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:flex-start;}
.legal-links{display:flex;flex-wrap:wrap;gap:18px;}
.legal-links a{font-size:13px;color:rgba(247,244,238,.7);}
.legal-links a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-legal p{font-size:12.5px;line-height:1.8;color:rgba(247,244,238,.5);max-width:62ch;}
.footer-bottom{border-top:1px solid rgba(247,244,238,.12);margin-top:22px;padding-top:18px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(247,244,238,.5);}

/* ---------- offcanvas toc ---------- */
.offcanvas.toc-drawer{background:var(--c-surface);width:300px;}
.toc-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);}
.toc-drawer .offcanvas-title{font-size:15px;color:var(--c-ink);font-weight:600;}
.toc-drawer .offcanvas-body{padding:18px;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .layout{grid-template-columns:240px minmax(0,1fr);gap:32px;}
  .wrap{padding:0 20px;}
}
@media (max-width:991.98px){
  .layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:24px;}
  .layout-side{display:none;}
  .dir-btn{display:inline-flex;}
  .search-box{max-width:280px;}
  .page-hero{padding:28px 24px;}
  .section-alt{padding:32px 22px;}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .site-header .header-bar{height:56px;}
  .header-inner{gap:10px;}
  .brand-text em{display:none;}
  .brand-mark{width:34px;height:34px;}
  .search-box{display:none;}
  .header-actions .mini-select{display:none;}
  .nav-inner{height:44px;}
  .nav-link{font-size:13.5px;padding:0 12px;}
  .section{padding:40px 0;}
  .section-alt{padding:26px 18px;}
  .page-hero{padding:24px 18px;border-radius:var(--r-md);}
  .page-hero h1{font-size:24px;}
  .step-item{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .step-idx{width:36px;height:36px;font-size:15px;border-width:2px;}
  .step-item::before{left:17px;top:38px;}
  .step-body{padding:16px 16px;}
  .card-soft{padding:20px;}
  .cta-band{padding:28px 20px;}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-legal{flex-direction:column;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .step-figure img{aspect-ratio:16/10;}
}
@media (max-width:519.98px){
  .wrap{padding:0 16px;}
  .page-hero h1{font-size:22px;}
  .badge-row{gap:6px;}
  .anchor-row a{height:30px;font-size:12.5px;padding:0 11px;}
  .post-body{padding:16px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#17453D;
  --c-primary-light:#1F5A4F;
  --c-primary-dark:#102F2A;
  --c-accent:#F0A45C;
  --c-violet:#6E5A8C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F3EDE3;
  --c-surface:#FFFFFF;
  --c-dark:#12211E;
  --c-ink:#1B2422;
  --c-body:#4A5654;
  --c-muted:#7C8785;
  --c-line:#E4DED4;
  --c-success:#3E7D5A;
  --c-warn:#C4763A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,69,61,.06);
  --sh-2:0 8px 24px rgba(23,69,61,.08);
  --sh-3:0 14px 32px rgba(23,69,61,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:15.5px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-light);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:600;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:var(--sh-2);}
.header-bar{height:60px;display:flex;align-items:center;position:relative;}
.header-inner{display:flex;align-items:center;gap:20px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));display:flex;align-items:center;justify-content:center;color:#F7F4EE;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-muted);letter-spacing:.02em;white-space:nowrap;}
.search-box{position:relative;flex:1 1 auto;max-width:400px;display:flex;align-items:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);height:40px;padding:0 6px 0 14px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,69,61,.1);background:var(--c-surface);}
.search-box svg{width:16px;height:16px;color:var(--c-muted);flex:0 0 auto;}
.search-box input{flex:1;border:0;background:transparent;height:100%;padding:0 8px;font-size:14px;outline:none;min-width:0;}
.search-box input::placeholder{color:var(--c-muted);}
.search-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-sm);color:var(--c-primary);cursor:pointer;}
.search-toggle svg{width:17px;height:17px;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.mini-select{height:36px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-sm);padding:0 26px 0 10px;font-size:13px;color:var(--c-body);appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5 6 8.5l4-4' fill='none' stroke='%237C8785' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:12px;transition:border-color .18s ease;}
.mini-select:hover{border-color:var(--c-primary-light);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid transparent;font-size:14.5px;font-weight:600;cursor:pointer;transition:transform .16s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#F7F4EE;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-dark);color:#F7F4EE;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(23,69,61,.08);color:var(--c-primary-dark);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.dir-btn{display:none;height:36px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);font-size:13.5px;color:var(--c-primary);cursor:pointer;}
.main-nav{border-top:1px solid var(--c-line);background:var(--c-surface);}
.nav-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.nav-inner::-webkit-scrollbar{display:none;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-sm);font-size:14px;color:var(--c-body);white-space:nowrap;transition:background .18s ease,color .18s ease;}
.nav-link:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.nav-link.active{background:rgba(23,69,61,.09);color:var(--c-primary);font-weight:600;}

/* ---------- layout ---------- */
.page-shell{display:flex;align-items:flex-start;gap:40px;padding-top:32px;padding-bottom:24px;}
.doc-sidebar{width:260px;flex:0 0 260px;}
.content-main{flex:1 1 auto;min-width:0;}
.toc-card{position:sticky;top:128px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--sh-1);}
.toc-title{font-size:13px;font-weight:700;color:var(--c-ink);letter-spacing:.08em;margin-bottom:14px;}
.toc-group{font-size:11.5px;letter-spacing:.14em;color:var(--c-muted);text-transform:uppercase;margin:16px 0 8px;}
.toc-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-line);padding-left:12px;}
.toc-link{display:block;font-size:13.5px;color:var(--c-body);padding:6px 10px;border-radius:var(--r-sm);border-left:2px solid transparent;margin-left:-13px;transition:background .18s ease,color .18s ease,border-color .18s ease;}
.toc-link:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.toc-link.active{background:rgba(23,69,61,.08);color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);}
.toc-cta{margin-top:18px;padding:14px;border-radius:var(--r-sm);background:var(--c-bg-alt);}
.toc-cta p{font-size:12.5px;line-height:1.65;color:var(--c-body);margin:8px 0 10px;}
.toc-cta-link{font-size:13px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(23,69,61,.3);padding-bottom:2px;}
.toc-cta-link:hover{border-color:var(--c-primary);color:var(--c-primary-dark);}

/* ---------- page hero ---------- */
.page-hero{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg-alt);padding:40px 36px 32px;margin-bottom:32px;}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/2da9c83e155699ff.webp");background-size:cover;background-position:center;opacity:.13;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(250,247,242,.86),rgba(243,237,227,.94));}
.page-hero > *{position:relative;z-index:1;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:16px;flex-wrap:wrap;}
.crumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:var(--c-line);}
.crumb .current{color:var(--c-ink);font-weight:600;}
.page-hero h1{font-size:clamp(26px,3vw,38px);line-height:1.25;max-width:820px;}
.hero-desc{margin-top:14px;font-size:15.5px;color:var(--c-body);max-width:760px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;background:rgba(23,69,61,.09);color:var(--c-primary);}
.chip.violet{background:rgba(110,90,140,.11);color:var(--c-violet);}
.chip.accent{background:rgba(240,164,92,.18);color:var(--c-warn);}
.anchor-row{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:22px;padding-top:18px;border-top:1px solid rgba(23,69,61,.12);}
.anchor-link{font-size:13.5px;color:var(--c-primary);font-weight:600;border-bottom:1px solid transparent;padding-bottom:2px;}
.anchor-link:hover{border-bottom-color:var(--c-primary);}

/* ---------- section ---------- */
.section{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:36px 32px;margin-bottom:28px;box-shadow:var(--sh-1);}
.section-alt{background:var(--c-bg-alt);border-color:transparent;box-shadow:none;}
.sec-head{margin-bottom:26px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:26px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--c-primary);background:rgba(23,69,61,.08);border-radius:var(--r-pill);padding:5px 13px;letter-spacing:.02em;margin-bottom:12px;}
.sec-title{font-size:clamp(20px,2vw,28px);line-height:1.32;}
.sec-desc{margin-top:10px;font-size:14.5px;color:var(--c-body);max-width:760px;}
.text-link{font-size:13.5px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(23,69,61,.28);padding-bottom:2px;white-space:nowrap;}
.text-link:hover{border-bottom-color:var(--c-primary);color:var(--c-primary-dark);}

/* ---------- topic tabs & grid ---------- */
.topic-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}
.tab-btn{height:34px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);font-size:13.5px;color:var(--c-body);cursor:pointer;transition:all .18s ease;}
.tab-btn:hover{border-color:var(--c-primary-light);color:var(--c-primary);}
.tab-btn.active{background:var(--c-primary);border-color:var(--c-primary);color:#F7F4EE;font-weight:600;}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.topic-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(23,69,61,.24);}
.topic-thumb{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out;}
.topic-card:hover .topic-thumb img{transform:scale(1.03);}
.topic-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-tag{align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:rgba(110,90,140,.11);color:var(--c-violet);}
.topic-tag.green{background:rgba(23,69,61,.09);color:var(--c-primary);}
.topic-tag.warm{background:rgba(240,164,92,.2);color:var(--c-warn);}
.topic-title{font-size:16.5px;line-height:1.45;color:var(--c-ink);font-weight:600;}
.topic-text{font-size:13.5px;line-height:1.7;color:var(--c-body);}
.topic-more{margin-top:auto;font-size:13px;font-weight:600;color:var(--c-primary);}

/* ---------- safety checklist ---------- */
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px;}
.check-item{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);transition:border-color .18s ease,box-shadow .18s ease;}
.check-item:hover{border-color:rgba(23,69,61,.3);box-shadow:var(--sh-1);}
.check-mark{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(62,125,90,.14);color:var(--c-success);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:1px;}
.check-item p{font-size:14px;line-height:1.65;color:var(--c-body);}
.check-item strong{display:block;font-size:14.5px;color:var(--c-ink);margin-bottom:2px;}
.safety-note{margin-top:22px;padding:18px 20px;border-radius:var(--r-md);background:rgba(196,118,58,.08);border-left:3px solid var(--c-warn);font-size:14px;color:var(--c-body);}

/* ---------- etiquette numbered list ---------- */
.etiquette-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:8px 24px;box-shadow:var(--sh-1);}
.num-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-line);}
.num-item:last-child{border-bottom:0;}
.num-badge{flex:0 0 auto;width:32px;height:32px;border-radius:10px;background:rgba(23,69,61,.09);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;}
.num-item h3{font-size:15.5px;margin-bottom:6px;}
.num-item p{font-size:14px;line-height:1.7;color:var(--c-body);}

/* ---------- report flow ---------- */
.flow-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;}
.flow-step{position:relative;padding:24px 22px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);transition:transform .18s ease,box-shadow .18s ease;}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.flow-num{width:38px;height:38px;border-radius:12px;background:var(--c-primary);color:#F7F4EE;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;margin-bottom:14px;}
.flow-step h3{font-size:16px;margin-bottom:8px;}
.flow-step p{font-size:13.8px;line-height:1.7;color:var(--c-body);}

/* ---------- post list ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(23,69,61,.24);}
.post-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-muted);flex-wrap:wrap;}
.post-cat{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(23,69,61,.09);color:var(--c-primary);font-weight:600;font-size:12px;}
.post-title{font-size:15.5px;line-height:1.5;font-weight:600;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-desc{font-size:13.5px;line-height:1.7;color:var(--c-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-more{margin-top:auto;font-size:13px;font-weight:600;color:var(--c-primary);}
.empty-state{padding:44px 24px;border:1px dashed var(--c-line);border-radius:var(--r-md);background:var(--c-bg);text-align:center;}
.empty-state span{display:inline-flex;width:44px;height:44px;border-radius:12px;background:rgba(23,69,61,.08);color:var(--c-primary);align-items:center;justify-content:center;margin-bottom:12px;}
.empty-state p{font-size:14px;color:var(--c-muted);}

/* ---------- faq ---------- */
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent;}
.faq-acc .accordion-item:last-child{border-bottom:0;}
.faq-acc .accordion-button{position:relative;background:transparent;box-shadow:none;color:var(--c-ink);font-weight:600;font-size:15.5px;padding:18px 46px 18px 16px;border-radius:var(--r-sm);transition:background .18s ease,color .18s ease;}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(23,69,61,.05);box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-acc .accordion-button:focus{box-shadow:inset 3px 0 0 var(--c-primary),0 0 0 3px rgba(23,69,61,.14);}
.faq-acc .accordion-button::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:20px;line-height:1;color:var(--c-primary);background:none;width:auto;height:auto;font-weight:400;}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%);}
.faq-acc .accordion-body{padding:12px 16px 20px;font-size:14.5px;line-height:1.8;color:var(--c-body);}

/* ---------- cta band ---------- */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:var(--c-dark);border-radius:var(--r-lg);padding:34px 36px;border:1px solid rgba(247,244,238,.1);}
.cta-band h2{color:#F7F4EE;font-size:clamp(19px,2vw,25px);line-height:1.35;}
.cta-band p{color:#BFC9C4;font-size:14px;margin-top:8px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-primary{background:var(--c-accent);color:#3B2A15;}
.cta-band .btn-primary:hover{background:#E8934A;color:#3B2A15;}
.cta-band .btn-ghost{border-color:rgba(247,244,238,.5);color:#F7F4EE;}
.cta-band .btn-ghost:hover{background:rgba(247,244,238,.1);color:#F7F4EE;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:#C9D1CD;border-top:3px solid var(--c-primary);padding:56px 0 0;margin-top:48px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(247,244,238,.12);}
.footer-brand .brand-text strong{color:#F7F4EE;}
.footer-brand .brand-text em{color:#9AA8A3;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#1F5A4F,#17453D);}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.8;color:#A8B4AF;max-width:380px;}
.footer-social{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.footer-social span{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(247,244,238,.08);font-size:12px;color:#C9D1CD;}
.footer-col h4{font-size:13.5px;color:#F7F4EE;margin-bottom:14px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:#A8B4AF;transition:color .18s ease;}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-legal{padding:24px 0;border-bottom:1px solid rgba(247,244,238,.12);}
.legal-links{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:12px;}
.legal-links a{font-size:12.8px;color:#A8B4AF;}
.legal-links a:hover{color:var(--c-accent);}
.footer-legal p{font-size:12.5px;line-height:1.8;color:#8B9994;max-width:900px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 26px;font-size:12.5px;color:#8B9994;}

/* ---------- offcanvas ---------- */
.offcanvas{background:var(--c-surface);}
.offcanvas-header{border-bottom:1px solid var(--c-line);}
.offcanvas-title{font-size:15px;color:var(--c-ink);}
.btn-close{filter:grayscale(1) brightness(.5);}
#tocDrawerBody .toc-card{position:static;border:0;box-shadow:none;padding:0;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{padding:0 20px;}
  .page-shell{gap:28px;}
  .doc-sidebar{width:240px;flex:0 0 240px;}
  .topic-grid,.post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;row-gap:32px;}
}
@media (max-width:991px){
  .search-box{position:absolute;left:0;right:0;top:56px;max-width:none;display:none;z-index:5;box-shadow:var(--sh-2);background:var(--c-surface);}
  .site-header.search-open .search-box{display:flex;}
  .search-toggle{display:inline-flex;}
  .doc-sidebar{display:none;}
  .dir-btn{display:inline-flex;align-items:center;}
  .page-shell{padding-top:24px;}
  .flow-row{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
  .mini-select.version-select{display:none;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .header-bar{height:56px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{display:none;}
  .header-actions .btn{height:34px;padding:0 14px;font-size:13px;}
  .page-hero{padding:28px 20px 24px;border-radius:var(--r-md);}
  .section{padding:26px 20px;border-radius:var(--r-md);margin-bottom:20px;}
  .topic-grid,.post-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .sec-head-row{align-items:flex-start;}
}
@media (max-width:520px){
  .nav-inner{height:auto;padding:8px 0;flex-wrap:wrap;}
  .nav-link{font-size:13px;height:32px;padding:0 10px;}
  .chip{font-size:12px;}
  .etiquette-card{padding:4px 16px;}
  .num-item{gap:12px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#17453D;
  --c-primary-light:#1F5A4F;
  --c-primary-dark:#102F2A;
  --c-accent:#F0A45C;
  --c-violet:#6E5A8C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F3EDE3;
  --c-surface:#FFFFFF;
  --c-dark:#12211E;
  --c-ink:#1B2422;
  --c-body:#4A5654;
  --c-muted:#7C8785;
  --c-line:#E4DED4;
  --c-success:#3E7D5A;
  --c-warn:#C4763A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,69,61,.06);
  --sh-2:0 8px 24px rgba(23,69,61,.08);
  --sh-3:0 14px 32px rgba(23,69,61,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:124px;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:15.5px;line-height:1.75;color:var(--c-body);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-light);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:var(--sh-2);}
.header-bar{position:relative;height:60px;display:flex;align-items:center;}
.header-inner{display:flex;align-items:center;gap:18px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));display:flex;align-items:center;justify-content:center;color:#F7F4EE;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-muted);letter-spacing:.02em;white-space:nowrap;}
.search-box{position:relative;flex:1 1 auto;max-width:400px;display:flex;align-items:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);height:40px;padding:0 6px 0 14px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,69,61,.1);background:var(--c-surface);}
.search-box svg{width:16px;height:16px;color:var(--c-muted);flex:0 0 auto;}
.search-box input{flex:1;border:0;background:transparent;height:100%;padding:0 8px;font-size:14px;outline:none;min-width:0;}
.search-box input::placeholder{color:var(--c-muted);}
.search-toggle{display:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);cursor:pointer;}
.search-toggle svg{width:17px;height:17px;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.mini-select{height:36px;border:1px solid var(--c-line);background-color:var(--c-surface);border-radius:var(--r-sm);padding:0 26px 0 10px;font-size:13px;color:var(--c-body);appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5 6 8.5l4-4' fill='none' stroke='%237C8785' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:12px;transition:border-color .18s ease;}
.mini-select:hover{border-color:var(--c-primary-light);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid transparent;font-size:14.5px;font-weight:600;line-height:1;cursor:pointer;background:transparent;color:var(--c-primary);text-decoration:none;white-space:nowrap;transition:transform .16s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;}
.btn-primary{background:var(--c-primary);border-color:var(--c-primary);color:#F7F4EE;box-shadow:var(--sh-1);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#F7F4EE;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(23,69,61,.08);color:var(--c-primary-dark);}
.btn-cream{background:#F7F4EE;border-color:#F7F4EE;color:var(--c-primary);}
.btn-cream:hover,.btn-cream:focus{background:#FFFFFF;border-color:#FFFFFF;color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-outline-cream{background:transparent;border-color:rgba(247,244,238,.5);color:#F7F4EE;}
.btn-outline-cream:hover,.btn-outline-cream:focus{background:rgba(247,244,238,.12);border-color:#F7F4EE;color:#F7F4EE;}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}
.dir-btn{display:none;height:36px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);font-size:13.5px;color:var(--c-primary);cursor:pointer;transition:background .18s ease,border-color .18s ease;}
.dir-btn:hover{background:var(--c-bg-alt);border-color:var(--c-primary-light);}
.main-nav{border-top:1px solid var(--c-line);background:var(--c-surface);}
.nav-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.nav-inner::-webkit-scrollbar{display:none;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-sm);font-size:14px;color:var(--c-body);white-space:nowrap;transition:background .18s ease,color .18s ease;}
.nav-link:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.nav-link.active{background:rgba(23,69,61,.09);color:var(--c-primary);font-weight:600;}

/* ---------- layout ---------- */
.page-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;padding:28px 0 0;align-items:start;}
.sidebar{position:sticky;top:128px;}
.toc-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--sh-1);}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:12px;}
.toc-group{font-size:11.5px;font-weight:600;letter-spacing:.1em;color:var(--c-muted);margin:16px 0 6px;text-transform:none;}
.toc-group:first-of-type{margin-top:0;}
.toc-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-line);}
.toc-link{position:relative;display:block;padding:7px 10px 7px 16px;font-size:13.5px;color:var(--c-body);border-radius:0 var(--r-sm) var(--r-sm) 0;transition:background .18s ease,color .18s ease;}
.toc-link::before{content:"";position:absolute;left:-1px;top:50%;transform:translateY(-50%);width:3px;height:0;border-radius:2px;background:var(--c-primary);transition:height .2s ease;}
.toc-link:hover{color:var(--c-primary);background:rgba(23,69,61,.05);}
.toc-link.is-active{color:var(--c-primary);font-weight:600;background:rgba(23,69,61,.08);}
.toc-link.is-active::before{height:70%;}
.toc-cta{margin-top:18px;padding:14px;border-radius:var(--r-sm);background:var(--c-bg-alt);}
.toc-cta p{font-size:12.5px;line-height:1.65;color:var(--c-body);margin:8px 0 10px;}
.toc-cta-link{font-size:13px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(23,69,61,.3);padding-bottom:2px;}
.toc-cta-link:hover{border-color:var(--c-primary);}
.content-main{min-width:0;padding-bottom:8px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-bg-alt);
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  padding:30px 30px 26px;
  margin-bottom:8px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(23,69,61,.05) 0,rgba(23,69,61,.05) 1px,transparent 1px,transparent 11px);
  opacity:.7;
}
.page-hero > *{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--c-muted);margin-bottom:14px;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.crumbs span[aria-current]{color:var(--c-body);font-weight:600;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--c-primary);background:rgba(23,69,61,.09);border-radius:var(--r-pill);padding:6px 14px;letter-spacing:.02em;}
.page-hero h1{font-size:clamp(25px,3vw,37px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--c-ink);margin:14px 0 10px;max-width:22em;}
.page-lead{font-size:15.5px;line-height:1.8;color:var(--c-body);max-width:46em;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.badge{display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.01em;}
.badge-green{background:rgba(23,69,61,.1);color:var(--c-primary);}
.badge-violet{background:rgba(110,90,140,.12);color:var(--c-violet);}
.badge-accent{background:rgba(240,164,92,.18);color:#9B5E1E;}
.badge-line{background:var(--c-surface);color:var(--c-body);border:1px solid var(--c-line);}
.anchor-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;padding-top:18px;border-top:1px dashed rgba(23,69,61,.18);}
.anchor-row a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;color:var(--c-body);transition:border-color .18s ease,color .18s ease,box-shadow .18s ease;}
.anchor-row a:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-1);}

/* ---------- sections ---------- */
.section{padding:46px 0;border-top:1px solid var(--c-line);}
.section.no-line{border-top:0;padding-top:34px;}
.section-alt{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px 26px;margin:10px 0;border-top:1px solid var(--c-line);}
.sec-head{margin-bottom:26px;max-width:56em;}
.sec-eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--c-primary);margin-bottom:8px;}
.sec-title{font-size:clamp(20px,2vw,28px);font-weight:600;line-height:1.32;letter-spacing:-.01em;color:var(--c-ink);}
.sec-sub{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--c-body);}
.icon-block{width:44px;height:44px;border-radius:12px;background:rgba(23,69,61,.1);color:var(--c-primary);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.icon-block svg{width:21px;height:21px;}
.icon-violet{background:rgba(110,90,140,.12);color:var(--c-violet);}
.icon-accent{background:rgba(240,164,92,.2);color:#9B5E1E;}

/* benefit cards */
.benefit-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.benefit-card{display:flex;gap:14px;align-items:flex-start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.benefit-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(23,69,61,.25);}
.benefit-card h3{font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:6px;}
.benefit-card p{font-size:13.8px;line-height:1.75;color:var(--c-body);}

/* compare */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start;}
.plan-card{position:relative;overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;}
.plan-card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--c-line);}
.plan-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.plan-card.is-pro{border-color:rgba(23,69,61,.35);box-shadow:var(--sh-2);}
.plan-card.is-pro::before{background:var(--c-accent);}
.plan-name{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.plan-name h3{font-size:18px;font-weight:600;color:var(--c-ink);}
.price-badge{display:inline-flex;align-items:baseline;gap:4px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(23,69,61,.09);color:var(--c-primary);font-size:13px;font-weight:700;}
.plan-card.is-pro .price-badge{background:rgba(240,164,92,.2);color:#9B5E1E;}
.check-list{display:flex;flex-direction:column;gap:10px;margin:16px 0 22px;}
.check-list li{display:flex;gap:9px;align-items:flex-start;font-size:13.8px;line-height:1.7;color:var(--c-body);}
.check-list li svg{width:16px;height:16px;flex:0 0 auto;margin-top:3px;color:var(--c-success);}
.check-list li.off{color:var(--c-muted);}
.check-list li.off svg{color:var(--c-muted);}

/* timeline */
.timeline{position:relative;display:flex;flex-direction:column;}
.tl-item{position:relative;display:grid;grid-template-columns:46px minmax(0,1fr);gap:16px;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item:not(:last-child)::before{content:"";position:absolute;left:22px;top:48px;bottom:2px;border-left:2px dashed var(--c-line);}
.tl-num{width:46px;height:46px;border-radius:50%;background:var(--c-surface);border:2px solid rgba(23,69,61,.35);color:var(--c-primary);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;}
.tl-item:hover .tl-num{border-color:var(--c-primary);background:rgba(23,69,61,.06);}
.tl-body h3{font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:5px;}
.tl-body p{font-size:13.8px;line-height:1.75;color:var(--c-body);}
.tl-step-tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.1em;color:var(--c-muted);margin-bottom:4px;}

/* notice */
.notice-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:22px;align-items:stretch;}
.dark-card{background:var(--c-dark);color:#F7F4EE;border-radius:var(--r-lg);padding:26px 24px;box-shadow:inset 0 0 0 1px rgba(247,244,238,.1);display:flex;flex-direction:column;}
.dark-card h3{font-size:19px;font-weight:600;color:#F7F4EE;line-height:1.4;margin-bottom:10px;}
.dark-card p{font-size:13.8px;line-height:1.8;color:rgba(247,244,238,.72);margin-bottom:18px;}
.dark-card .btn{margin-top:auto;align-self:flex-start;height:38px;font-size:13.5px;padding:0 18px;}
.icon-list{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:8px 22px;box-shadow:var(--sh-1);}
.icon-list li{display:flex;gap:12px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--c-line);}
.icon-list li:last-child{border-bottom:0;}
.icon-list h4{font-size:14.5px;font-weight:600;color:var(--c-ink);margin-bottom:4px;}
.icon-list p{font-size:13.5px;line-height:1.72;color:var(--c-body);}

/* pay cards */
.pay-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.pay-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;}
.pay-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.pay-card .num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:rgba(110,90,140,.12);color:var(--c-violet);font-size:12.5px;font-weight:700;margin-bottom:12px;}
.pay-card h3{font-size:15.5px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.pay-card p{font-size:13.6px;line-height:1.75;color:var(--c-body);}
.pay-note{margin-top:18px;display:flex;gap:10px;align-items:flex-start;background:rgba(240,164,92,.12);border:1px solid rgba(240,164,92,.35);border-radius:var(--r-md);padding:14px 16px;font-size:13.5px;line-height:1.72;color:#7F4F18;}
.pay-note svg{width:17px;height:17px;flex:0 0 auto;margin-top:3px;}

/* channel cards */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.channel-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(23,69,61,.25);}
.channel-thumb{position:relative;overflow:hidden;background:var(--c-bg-alt);}
.channel-thumb img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .25s ease-out;}
.channel-card:hover .channel-thumb img{transform:scale(1.03);}
.channel-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.channel-body h3{font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.channel-body p{font-size:13.4px;line-height:1.72;color:var(--c-body);}
.channel-link{margin-top:auto;font-size:13px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:5px;}
.channel-card:hover .channel-link{text-decoration:underline;text-underline-offset:3px;}

/* faq */
.faq-acc{border-top:1px solid var(--c-line);}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{position:relative;padding:18px 44px 18px 2px;font-size:15.5px;font-weight:600;color:var(--c-ink);background:transparent;box-shadow:none;border-radius:0;transition:color .18s ease,background .18s ease,padding .18s ease;}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(23,69,61,.05);box-shadow:inset 3px 0 0 var(--c-primary);padding-left:14px;}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px;}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-button::before{content:"+";position:absolute;right:10px;top:50%;transform:translateY(-50%);width:24px;height:24px;border-radius:50%;background:rgba(23,69,61,.08);color:var(--c-primary);font-size:16px;font-weight:600;line-height:24px;text-align:center;transition:background .18s ease,color .18s ease;}
.faq-acc .accordion-button:not(.collapsed)::before{content:"−";background:var(--c-primary);color:#F7F4EE;}
.faq-acc .accordion-body{padding:2px 14px 18px;font-size:14.5px;line-height:1.85;color:var(--c-body);}

/* cta band */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--c-primary);color:#F7F4EE;padding:34px 30px;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/5f40d8d0d4a65cde.webp');background-size:cover;background-position:center;opacity:.26;}
.cta-band > *{position:relative;z-index:1;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(19px,2vw,24px);font-weight:600;line-height:1.4;color:#F7F4EE;}
.cta-band p{font-size:13.8px;line-height:1.75;color:rgba(247,244,238,.76);margin-top:8px;max-width:40em;}
.cta-btns{display:flex;gap:10px;flex-wrap:wrap;}

/* offcanvas */
.offcanvas.doc-drawer{width:310px;background:var(--c-bg);}
.doc-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 18px;}
.doc-drawer .offcanvas-title{font-size:15px;font-weight:700;color:var(--c-ink);}
.doc-drawer .offcanvas-body{padding:18px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:#F7F4EE;border-top:3px solid var(--c-primary);padding:56px 0 24px;margin-top:60px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .brand-text strong{color:#F7F4EE;}
.footer-brand .brand-text em{color:rgba(247,244,238,.62);}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(247,244,238,.66);margin:14px 0 16px;max-width:34em;}
.footer-social{display:flex;gap:8px;flex-wrap:wrap;}
.footer-social span{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(247,244,238,.08);border:1px solid rgba(247,244,238,.14);font-size:12px;color:rgba(247,244,238,.78);}
.footer-col h4{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:rgba(247,244,238,.5);margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:rgba(247,244,238,.78);}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-legal{border-top:1px solid rgba(247,244,238,.12);margin-top:34px;padding-top:20px;display:grid;grid-template-columns:1fr 1.1fr;gap:20px;align-items:start;}
.legal-links{display:flex;flex-wrap:wrap;gap:14px;}
.legal-links a{font-size:12.8px;color:rgba(247,244,238,.7);}
.legal-links a:hover{color:var(--c-accent);}
.footer-legal p{font-size:12.6px;line-height:1.8;color:rgba(247,244,238,.55);}
.footer-bottom{border-top:1px solid rgba(247,244,238,.12);margin-top:20px;padding-top:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:rgba(247,244,238,.55);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{padding:0 20px;}
  .page-grid{grid-template-columns:240px minmax(0,1fr);gap:30px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:26px;}
  .footer-col:last-child{grid-column:span 3;}
}
@media (max-width:991px){
  .wrap{padding:0 20px;}
  .page-grid{grid-template-columns:minmax(0,1fr);gap:0;padding-top:20px;}
  .sidebar{display:none;}
  .dir-btn{display:inline-flex;align-items:center;}
  .header-inner{gap:12px;}
  .search-box{max-width:none;}
  .brand-text em{display:none;}
  .pay-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .notice-grid{grid-template-columns:minmax(0,1fr);}
  .footer-legal{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-col:last-child{grid-column:auto;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .header-bar{height:56px;}
  .lang-select{display:none;}
  .search-box{display:none;}
  .search-toggle{display:inline-flex;}
  .site-header.search-open .search-box{display:flex;position:absolute;left:16px;right:16px;top:60px;max-width:none;background:var(--c-surface);box-shadow:var(--sh-2);z-index:5;}
  .brand-text strong{font-size:15px;}
  .page-hero{padding:24px 20px 22px;border-radius:var(--r-md);}
  .sec-head{margin-bottom:20px;}
  .section{padding:34px 0;}
  .section-alt{padding:24px 18px;}
  .benefit-row{grid-template-columns:minmax(0,1fr);}
  .compare-grid{grid-template-columns:minmax(0,1fr);}
  .plan-card.is-pro{transform:none;}
  .channel-grid{grid-template-columns:minmax(0,1fr);}
  .tl-item{grid-template-columns:38px minmax(0,1fr);gap:12px;}
  .tl-num{width:38px;height:38px;font-size:14px;}
  .tl-item:not(:last-child)::before{left:18px;top:40px;}
  .cta-band{padding:26px 20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-btns{width:100%;}
  .cta-btns .btn{flex:1 1 auto;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .footer-col:last-child{grid-column:auto;}
  .site-footer{padding:40px 0 20px;margin-top:44px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:575px){
  .header-cta{display:none;}
  .faq-acc .accordion-button{font-size:14.5px;padding-right:38px;}
  .benefit-card{padding:16px;}
  .plan-card{padding:22px 18px;}
}