/* roulang page: index */
:root{
  --ink:#1F3A32;
  --ink-deep:#16281F;
  --gold:#C08A3E;
  --gold-dark:#B27B32;
  --gold-lt:#E8C98E;
  --cinnabar:#A6402D;
  --paper:#FBF8F1;
  --paper-2:#F2ECE0;
  --card:#FFFFFF;
  --line:rgba(62,47,35,.10);
  --gold-line:rgba(192,138,62,.28);
  --text:#2A2621;
  --muted:#6B6259;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:4px;
  --shadow:0 6px 18px rgba(31,58,50,.06);
  --shadow-h:0 14px 30px rgba(31,58,50,.12);
  --container:1200px;
  --serif:'Noto Serif SC','Songti SC','SimSun',serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--cinnabar);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0 0 .55em;font-weight:700;line-height:1.35}
h1{font-size:44px;line-height:1.25;letter-spacing:.5px}
h2{font-size:30px}
h3{font-size:22px;line-height:1.5}
h4{font-size:18px;line-height:1.5}
p{margin:0 0 1.15em}
ul,ol{margin:0 0 1.15em;padding-left:1.25em}
li{margin-bottom:.45em}
time,.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:10px 18px;z-index:999}
.skip:focus{left:12px;top:12px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:80px 0;position:relative}
.section--tint{background:var(--paper-2)}
.section--line{border-top:1px dashed var(--gold-line)}
.section--dark{background:var(--ink-deep);color:var(--paper)}
.section--dark h2,.section--dark h3,.section--dark h4{color:var(--paper)}
.section--dark p{color:rgba(251,248,241,.82)}
.section--ink{background:var(--ink);color:var(--paper)}
.section--ink h2,.section--ink h3{color:var(--paper)}
.section--ink p{color:rgba(251,248,241,.82)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--gold);background:rgba(192,138,62,.12);border-radius:var(--r-badge);padding:5px 12px;margin-bottom:14px;font-weight:600}
.section-head h2{margin-bottom:.4em}
.section-head p{color:var(--muted);font-size:17px;line-height:1.9;margin-bottom:0}
.section--dark .section-head p,.section--ink .section-head p{color:rgba(251,248,241,.75)}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-btn);font-family:var(--sans);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease;text-align:center;line-height:1.4}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--gold);color:#16281F;box-shadow:0 6px 16px rgba(192,138,62,.28)}
.btn-primary:hover{background:var(--gold-dark);color:#16281F;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ghost--light{border-color:rgba(251,248,241,.55);color:var(--paper)}
.btn-ghost--light:hover{background:var(--paper);color:var(--ink-deep)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--ink)}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{text-decoration:none;color:var(--cinnabar)}
.link-arrow:hover::after{transform:translateX(4px)}
.badge{display:inline-block;background:var(--gold-lt);color:var(--ink);font-size:13px;line-height:1.4;padding:4px 10px;border-radius:var(--r-badge);font-weight:600}
.badge--ghost{background:rgba(31,58,50,.08);color:var(--ink)}
.badge--line{background:transparent;border:1px solid var(--gold-line);color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--gold-line)}
.card-pad{padding:26px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,248,241,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:34px;font-size:13px;color:var(--muted)}
.topbar-inner span{letter-spacing:.02em}
.topbar-link{font-size:13px;font-weight:600;color:var(--ink)}
.topbar-link:hover{color:var(--cinnabar)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.25}
.brand-main{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.brand:hover{text-decoration:none}
.brand:hover .brand-main{color:var(--cinnabar)}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{display:inline-block;padding:10px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text);position:relative}
.nav-link:hover{background:var(--paper-2);color:var(--ink);text-decoration:none}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:10px}
.mega-wrap{position:relative}
.mega-trigger{background:transparent;border:1.5px solid var(--line);border-radius:var(--r-btn);padding:9px 15px;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:.2s}
.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{background:var(--paper-2);border-color:var(--gold-line);text-decoration:underline;text-underline-offset:3px}
.mega-panel{position:absolute;right:0;top:calc(100% + 12px);width:820px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:0 20px 44px rgba(31,58,50,.16);padding:24px;display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:22px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.22s ease}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:15px;margin-bottom:12px;color:var(--ink);letter-spacing:.04em}
.mega-col h4 span{display:block;font-family:var(--sans);font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0;margin-top:2px}
.mega-list{list-style:none;margin:0;padding:0}
.mega-list li{margin-bottom:8px}
.mega-list a{font-size:14px;color:var(--text);display:block;padding:6px 8px;border-radius:6px}
.mega-list a:hover{background:var(--paper-2);color:var(--cinnabar);text-decoration:none}
.mega-post{display:block;padding:8px;border-radius:8px;border-bottom:1px dashed var(--line)}
.mega-post:last-child{border-bottom:0}
.mega-post:hover{background:var(--paper-2);text-decoration:none}
.mega-post-title{display:block;font-size:14px;color:var(--ink);line-height:1.5;margin-bottom:2px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.mega-post-date{font-size:12px;color:var(--muted)}
.mega-empty{font-size:13px;color:var(--muted);margin:0}
.mega-card{display:block;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--paper)}
.mega-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.mega-card-body{padding:12px 14px}
.mega-card-body strong{display:block;font-size:14px;color:var(--ink);font-weight:600;line-height:1.5}
.mega-card:hover{text-decoration:none;border-color:var(--gold-line)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1.5px solid var(--line);background:transparent;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.drawer{position:fixed;top:0;right:0;width:310px;max-width:86vw;height:100%;background:var(--paper);z-index:120;transform:translateX(100%);transition:transform .28s ease;box-shadow:-12px 0 40px rgba(31,58,50,.18);padding:22px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{background:transparent;border:1px solid var(--line);border-radius:8px;width:34px;height:34px;font-size:20px;line-height:1;color:var(--ink);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-nav a{padding:11px 12px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink)}
.drawer-nav a:hover{background:var(--paper-2);text-decoration:none}
.drawer-sub{font-size:12px;color:var(--muted);letter-spacing:.1em;margin:16px 0 8px}
.drawer-mask{position:fixed;inset:0;background:rgba(22,40,31,.45);z-index:110;opacity:0;visibility:hidden;transition:.25s}
.drawer-mask.is-open{opacity:1;visibility:visible}
/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink-deep);color:var(--paper);overflow:hidden;padding:64px 0 0}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/ff5ed7227ca29d4b.webp');background-size:cover;background-position:center;opacity:.26}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(22,40,31,.94) 0%,rgba(22,40,31,.82) 46%,rgba(22,40,31,.55) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;padding-bottom:56px}
.hero h1{color:var(--paper);font-size:42px;line-height:1.3;margin-bottom:18px}
.hero-eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--gold-lt);border:1px solid rgba(232,201,142,.4);border-radius:var(--r-badge);padding:5px 12px;margin-bottom:18px}
.hero-lead{font-size:17px;line-height:1.95;color:rgba(251,248,241,.88);max-width:600px}
.hero-pain{display:flex;gap:10px;align-items:flex-start;background:rgba(251,248,241,.08);border-left:3px solid var(--gold);border-radius:0 8px 8px 0;padding:12px 16px;font-size:15px;color:rgba(251,248,241,.92);margin:0 0 22px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-facts{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:0;margin:0;border-top:1px solid rgba(232,201,142,.28)}
.hero-facts li{padding:16px 18px 4px 0;border-right:1px dashed rgba(232,201,142,.22)}
.hero-facts li:last-child{border-right:0}
.hero-facts strong{display:block;font-family:var(--serif);font-size:17px;color:var(--gold-lt);margin-bottom:2px}
.hero-facts span{font-size:13px;color:rgba(251,248,241,.72);line-height:1.6}
.hero-form-card{background:rgba(251,248,241,.98);border-radius:var(--r-card);padding:26px;box-shadow:0 24px 48px rgba(0,0,0,.24);color:var(--text)}
.hero-form-card h2{font-size:21px;margin-bottom:6px}
.hero-form-card .form-intro{font-size:13.5px;color:var(--muted);margin-bottom:16px;line-height:1.7}
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:5px}
.req{color:var(--cinnabar);margin-left:2px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid rgba(62,47,35,.18);border-radius:var(--r-btn);font-family:var(--sans);font-size:14.5px;color:var(--text);background:#fff;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(192,138,62,.16);outline:none}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-tip{margin:12px 0 0;font-size:13px;color:var(--muted);line-height:1.7}
.form-tip.is-ok{color:var(--ink);background:rgba(192,138,62,.14);border-radius:8px;padding:9px 12px}
/* ---------- pain ---------- */
.pain-card{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:var(--r-card);padding:22px;transition:.24s}
.pain-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.pain-icon{width:38px;height:38px;border-radius:10px;background:rgba(192,138,62,.14);color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:16px;font-weight:700;margin-bottom:12px}
.pain-card h3{font-size:17px;margin-bottom:6px}
.pain-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
/* ---------- kpi ---------- */
.kpi-board{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--gold-line);border-bottom:1px solid var(--gold-line)}
.kpi{padding:26px 22px;border-right:1px dashed var(--gold-line)}
.kpi:last-child{border-right:0}
.kpi-num{font-family:var(--serif);font-size:40px;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums;margin-bottom:6px}
.kpi-num small{font-size:18px;margin-left:2px;color:var(--gold)}
.kpi-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:2px}
.kpi-desc{font-size:13px;color:var(--muted);line-height:1.65}
/* ---------- solution ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media img{border-radius:var(--r-img);width:100%;object-fit:cover;aspect-ratio:3/4}
.solution-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px dashed var(--line)}
.solution-item:last-child{border-bottom:0;padding-bottom:0}
.solution-no{font-family:var(--serif);font-size:22px;color:var(--gold);font-weight:700;line-height:1.2;min-width:44px}
.solution-item h3{font-size:19px;margin-bottom:4px}
.solution-item p{font-size:14.5px;color:var(--muted);margin-bottom:8px;line-height:1.8}
/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:12px}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:26px;height:1px;background:rgba(232,201,142,.35)}
.step{position:relative;padding:0 18px;text-align:left}
.step-no{width:52px;height:52px;border-radius:50%;background:rgba(192,138,62,.18);border:1px solid var(--gold);color:var(--gold-lt);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:19px;font-weight:700;margin-bottom:16px;position:relative;z-index:2;background-color:#1d332b}
.step h3{font-size:18px;color:var(--paper);margin-bottom:6px}
.step p{font-size:14px;line-height:1.8;color:rgba(251,248,241,.75);margin:0}
/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{border-radius:var(--r-card);padding:28px;border:1px solid var(--line);background:var(--card)}
.compare-col--win{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.compare-col--win h3{color:var(--paper)}
.compare-col--win .compare-list li{color:rgba(251,248,241,.85);border-color:rgba(232,201,142,.2)}
.compare-col h3{font-size:20px;margin-bottom:14px}
.compare-list{list-style:none;padding:0;margin:0}
.compare-list li{padding:11px 0 11px 26px;border-bottom:1px dashed var(--line);font-size:14.5px;position:relative;color:var(--muted)}
.compare-list li:last-child{border-bottom:0}
.compare-list li::before{position:absolute;left:0;top:11px;font-size:13px;font-weight:700}
.compare-col:not(.compare-col--win) .compare-list li::before{content:"×";color:var(--cinnabar)}
.compare-col--win .compare-list li::before{content:"✓";color:var(--gold-lt)}
/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px;border-left:1px solid var(--gold-line)}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-32px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(192,138,62,.16)}
.tl-time{font-size:13px;font-weight:600;color:var(--gold);letter-spacing:.06em;margin-bottom:2px}
.tl-item h3{font-size:18px;margin-bottom:4px}
.tl-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8}
/* ---------- quote ---------- */
.quote-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;position:relative;box-shadow:var(--shadow)}
.quote-card::before{content:"“";font-family:var(--serif);font-size:56px;line-height:1;color:var(--gold-lt);position:absolute;top:8px;left:20px}
.quote-card p{position:relative;font-size:15.5px;line-height:1.9;color:var(--text);margin:18px 0 16px}
.quote-meta{font-size:13.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px}
.quote-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;align-items:start}
.quote-grid .quote-card:nth-child(2){margin-top:26px}
.quote-grid .quote-card:nth-child(3){margin-top:52px}
/* ---------- scenes ---------- */
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:.24s}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--gold-line)}
.scene-icon{width:44px;height:44px;border-radius:12px;background:var(--paper-2);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:17px;color:var(--ink);margin-bottom:14px}
.scene-card h3{font-size:18px;margin-bottom:6px}
.scene-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
/* ---------- area ---------- */
.area-tags{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:0 0 20px}
.area-tags li{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 15px;font-size:13.5px;color:var(--ink);transition:.2s}
.area-tags li:hover{border-color:var(--gold);color:var(--cinnabar)}
.slot-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;margin-bottom:14px}
.slot-card strong{display:block;font-family:var(--serif);font-size:17px;color:var(--ink);margin-bottom:2px}
.slot-card span{font-size:13.5px;color:var(--muted)}
.area-mini{aspect-ratio:1/1;border-radius:var(--r-img);overflow:hidden;margin-top:6px}
.area-mini img{width:100%;height:100%;object-fit:cover}
/* ---------- plans ---------- */
.plan-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;display:flex;flex-direction:column;transition:.24s}
.plan-card:hover{box-shadow:var(--shadow-h);transform:translateY(-3px)}
.plan-card--feature{background:var(--ink);border-color:var(--ink);color:var(--paper);margin-top:-14px;padding-top:38px}
.plan-card--feature h3,.plan-card--feature .plan-price{color:var(--paper)}
.plan-card--feature li{color:rgba(251,248,241,.82);border-color:rgba(232,201,142,.2)}
.plan-card h3{font-size:20px;margin-bottom:4px}
.plan-sub{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.plan-card--feature .plan-sub{color:rgba(251,248,241,.68)}
.plan-price{font-family:var(--serif);font-size:22px;color:var(--gold);margin-bottom:14px}
.plan-list{list-style:none;padding:0;margin:0 0 20px;flex:1}
.plan-list li{font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line);color:var(--muted)}
.plan-list li:last-child{border-bottom:0}
/* ---------- team ---------- */
.team-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;text-align:center;padding-bottom:18px}
.team-card img{aspect-ratio:1/1;object-fit:cover;width:100%}
.team-card strong{display:block;font-family:var(--serif);font-size:17px;color:var(--ink);margin-top:14px}
.team-card span{font-size:13.5px;color:var(--muted)}
.rule-list{list-style:none;padding:0;margin:0}
.rule-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--muted)}
.rule-list li:last-child{border-bottom:0}
.rule-dot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex:0 0 8px;margin-top:9px}
/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;gap:18px}
.bento figure{margin:0;position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.bento figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.bento figure:hover img{transform:scale(1.04)}
.bento figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 12px;font-size:13px;color:var(--paper);background:linear-gradient(transparent,rgba(22,40,31,.82))}
.bento .b-1{grid-column:span 2;grid-row:span 2}
.bento .b-4{grid-column:span 2}
/* ---------- topic ---------- */
.topic-card{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;transition:.24s}
.topic-card:hover{border-color:var(--gold);box-shadow:var(--shadow-h);text-decoration:none;transform:translateX(3px)}
.topic-card h3{font-size:17.5px;margin-bottom:2px}
.topic-card p{font-size:13.5px;color:var(--muted);margin:0}
.topic-card .topic-arrow{font-size:20px;color:var(--gold);flex:0 0 auto}
/* ---------- channel ---------- */
.channel-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:20px}
.channel-main{position:relative;border-radius:var(--r-card);overflow:hidden;min-height:230px;display:flex;align-items:flex-end;padding:24px;background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.channel-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34}
.channel-main-body{position:relative;z-index:2}
.channel-main h3{color:var(--paper);font-size:20px;margin-bottom:6px}
.channel-main p{font-size:13.5px;color:rgba(251,248,241,.82);margin:0 0 12px}
.channel-main .link-arrow{color:var(--gold-lt)}
.channel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;display:flex;flex-direction:column;justify-content:space-between;transition:.24s}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);text-decoration:none}
.channel-card h3{font-size:17px;margin-bottom:6px}
.channel-card p{font-size:13.5px;color:var(--muted);margin:0 0 14px;line-height:1.75}
/* ---------- news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.news-head .section-head{margin-bottom:0}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.news-card{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:16px;transition:.24s;overflow:hidden}
.news-card:hover{text-decoration:none;box-shadow:var(--shadow-h);border-color:var(--gold-line);transform:translateY(-2px)}
.news-thumb{flex:0 0 150px;border-radius:10px;overflow:hidden;background:var(--paper-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.news-body{min-width:0;display:flex;flex-direction:column}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px;font-size:12.5px;color:var(--muted)}
.news-title{font-size:16.5px;line-height:1.55;margin:0 0 6px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:auto}
.empty-state{background:var(--card);border:1px dashed var(--gold-line);border-radius:var(--r-card);padding:44px 24px;text-align:center;color:var(--muted);font-size:15px}
.empty-state span{display:block;font-size:30px;color:var(--gold-lt);margin-bottom:8px}
/* ---------- guard ---------- */
.guard-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guard-item{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:.22s}
.guard-item:hover{border-color:var(--gold-line);box-shadow:var(--shadow)}
.guard-icon{width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:rgba(31,58,50,.07);color:var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700}
.guard-item strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px}
.guard-item span{font-size:13px;color:var(--muted);line-height:1.7}
/* ---------- faq ---------- */
.faq-list{max-width:880px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:.2s}
.faq-item[open]{border-color:var(--gold-line);box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 52px 18px 22px;font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);position:relative;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--gold);font-family:var(--sans);font-weight:400;transition:transform .2s ease}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item[open] summary{background:rgba(192,138,62,.06)}
.faq-body{padding:0 22px 20px;border-left:3px solid var(--gold);margin-left:22px;padding-left:18px}
.faq-body p{font-size:14.5px;color:var(--muted);line-height:1.9;margin:0}
/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:var(--paper);border-radius:18px;padding:48px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cta-band h2{color:var(--paper);font-size:30px;margin-bottom:12px}
.cta-band p{color:rgba(251,248,241,.82);margin-bottom:18px}
.cta-points{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-wrap:wrap;gap:18px}
.cta-points li{font-size:14px;color:rgba(251,248,241,.9);display:flex;align-items:center;gap:7px}
.cta-points li::before{content:"✓";color:var(--gold-lt);font-weight:700}
.cta-box{background:rgba(251,248,241,.07);border:1px solid rgba(232,201,142,.28);border-radius:var(--r-card);padding:24px}
.cta-box strong{display:block;font-family:var(--serif);font-size:18px;color:var(--gold-lt);margin-bottom:10px}
.cta-box ul{list-style:none;padding:0;margin:0 0 18px}
.cta-box li{font-size:14px;color:rgba(251,248,241,.82);padding:8px 0;border-bottom:1px dashed rgba(232,201,142,.2);display:flex;justify-content:space-between;gap:12px}
.cta-box li:last-child{border-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(251,248,241,.8);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(232,201,142,.18)}
.footer-brand .brand-main{color:var(--paper);font-size:20px}
.footer-brand .brand-sub{color:rgba(251,248,241,.6)}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(251,248,241,.66);margin:14px 0 0}
.footer-col h4{color:var(--paper);font-family:var(--sans);font-size:14px;letter-spacing:.08em;margin-bottom:14px;font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:9px;font-size:13.5px;line-height:1.7}
.footer-col a{color:rgba(251,248,241,.74)}
.footer-col a:hover{color:var(--gold-lt);text-decoration:none}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 26px;font-size:12.5px;color:rgba(251,248,241,.55)}
.footer-bottom a{color:rgba(251,248,241,.6)}
.footer-bottom a:hover{color:var(--gold-lt)}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .mega-panel{width:700px;grid-template-columns:1fr 1fr}
  .mega-col:last-child{display:none}
  .hero h1{font-size:38px}
}
@media (max-width:992px){
  .primary-nav,.nav-actions .btn{display:none}
  .menu-toggle{display:flex}
  .nav-inner{min-height:66px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:34px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media img{aspect-ratio:16/10}
  .steps{grid-template-columns:1fr 1fr;gap:28px}
  .steps::before{display:none}
  .quote-grid{grid-template-columns:1fr}
  .quote-grid .quote-card:nth-child(2),.quote-grid .quote-card:nth-child(3){margin-top:0}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi-board{grid-template-columns:repeat(2,1fr)}
  .kpi:nth-child(2){border-right:0}
  .kpi{border-bottom:1px dashed var(--gold-line)}
  .kpi:nth-child(3),.kpi:nth-child(4){border-bottom:0}
  .channel-grid{grid-template-columns:1fr 1fr}
  .channel-main{grid-column:span 2}
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
  .bento .b-1{grid-column:span 2;grid-row:span 1}
  .bento .b-4{grid-column:span 2}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .guard-band{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  h1{font-size:29px}
  h2{font-size:24px}
  h3{font-size:19px}
  .hero{padding-top:40px}
  .hero h1{font-size:28px}
  .hero-lead{font-size:15.5px}
  .hero-facts{grid-template-columns:1fr}
  .hero-facts li{border-right:0;border-bottom:1px dashed rgba(232,201,142,.2);padding:12px 0}
  .hero-facts li:last-child{border-bottom:0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card{flex-direction:column}
  .news-thumb{flex:none;width:100%}
  .news-thumb img{aspect-ratio:16/9}
  .channel-grid{grid-template-columns:1fr}
  .channel-main{grid-column:auto;min-height:200px}
  .bento{grid-template-columns:1fr;grid-auto-rows:auto}
  .bento figure{height:200px}
  .bento .b-1,.bento .b-4{grid-column:auto;grid-row:auto}
  .guard-band{grid-template-columns:1fr}
  .kpi-board{grid-template-columns:1fr}
  .kpi{border-right:0;border-bottom:1px dashed var(--gold-line)}
  .kpi:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .news-head{flex-direction:column;align-items:flex-start;gap:12px}
  .field-row{grid-template-columns:1fr}
  .cta-band{padding:26px}
  .topbar-inner{min-height:auto;padding:6px 0;flex-wrap:wrap;font-size:12px}
  .plan-card--feature{margin-top:0;padding-top:28px}
}
@media (max-width:480px){
  .btn{width:100%}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .brand-main{font-size:18px}
  .brand-sub{font-size:10.5px}
  .kpi-num{font-size:32px}
  .topic-card{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --ink:#1F3A32;
  --ink-deep:#16281F;
  --gold:#C08A3E;
  --gold-dark:#B27B32;
  --gold-lt:#E8C98E;
  --cinnabar:#A6402D;
  --paper:#FBF8F1;
  --paper-2:#F2ECE0;
  --card:#FFFFFF;
  --line:rgba(62,47,35,.10);
  --gold-line:rgba(192,138,62,.28);
  --text:#2A2621;
  --muted:#6B6259;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:4px;
  --shadow:0 6px 18px rgba(31,58,50,.06);
  --shadow-h:0 14px 30px rgba(31,58,50,.12);
  --container:1200px;
  --serif:'Noto Serif SC','Songti SC','SimSun',serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--cinnabar);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;line-height:1.35;letter-spacing:.2px}
h1{font-size:38px;line-height:1.3}
h2{font-size:29px}
h3{font-size:21px}
h4{font-size:17px}
p{margin:0 0 1.15em}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:78px 0;position:relative}
.section--tint{background:var(--paper-2)}
.section--line{border-top:1px dashed var(--gold-line)}
.section--dark{background:var(--ink-deep);color:var(--paper)}
.section--dark h2,.section--dark h3,.section--dark h4{color:var(--paper)}
.section--dark p{color:rgba(251,248,241,.82)}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--gold);background:rgba(192,138,62,.12);border-radius:var(--r-badge);padding:5px 12px;margin-bottom:14px;font-weight:600}
.section-head h2{margin-bottom:.4em}
.section-head p{color:var(--muted);font-size:17px;line-height:1.9;margin-bottom:0}
.grid{display:grid;gap:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-btn);font-family:var(--sans);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease;text-align:center;line-height:1.4}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--gold);color:#16281F;box-shadow:0 6px 16px rgba(192,138,62,.28)}
.btn-primary:hover{background:var(--gold-dark);color:#16281F;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ghost--light{border-color:rgba(251,248,241,.55);color:var(--paper)}
.btn-ghost--light:hover{background:var(--paper);color:var(--ink-deep)}
.btn-sm{padding:10px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--ink)}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{text-decoration:none;color:var(--cinnabar)}
.link-arrow:hover::after{transform:translateX(4px)}
.badge{display:inline-block;background:var(--gold-lt);color:var(--ink);font-size:13px;line-height:1.4;padding:4px 10px;border-radius:var(--r-badge);font-weight:600}
.badge--ghost{background:rgba(31,58,50,.08);color:var(--ink)}
.badge--line{background:transparent;border:1px solid var(--gold-line);color:var(--muted)}
/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,248,241,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:34px;font-size:13px;color:var(--muted)}
.topbar-inner span{letter-spacing:.02em}
.topbar-link{font-size:13px;font-weight:600;color:var(--ink)}
.topbar-link:hover{color:var(--cinnabar)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.25;flex-shrink:0}
.brand-main{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.brand:hover{text-decoration:none}
.brand:hover .brand-main{color:var(--cinnabar)}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{display:inline-block;padding:10px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text);position:relative}
.nav-link:hover{background:var(--paper-2);color:var(--ink);text-decoration:none}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:10px}
.mega-wrap{position:relative}
.mega-trigger{background:transparent;border:1.5px solid var(--line);border-radius:var(--r-btn);padding:9px 15px;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:.2s}
.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{background:var(--paper-2);border-color:var(--gold-line);text-decoration:underline;text-underline-offset:3px}
.mega-panel{position:absolute;right:0;top:calc(100% + 12px);width:760px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:0 20px 44px rgba(31,58,50,.16);padding:24px;display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:22px;z-index:90}
.mega-panel[hidden]{display:none}
.mega-col h5{margin:0 0 12px;font-family:var(--sans);font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:700}
.mega-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.mega-col li a{display:block;font-size:14.5px;color:var(--text);padding:5px 0;border-bottom:1px dashed transparent}
.mega-col li a:hover{color:var(--ink);text-decoration:none;border-bottom-color:var(--gold-line)}
.mega-time{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.mega-card{display:block;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:var(--paper)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card span{display:block;padding:12px 14px;font-size:14.5px;font-weight:600;color:var(--ink)}
.mega-card:hover{text-decoration:none;border-color:var(--gold-line)}
.mega-card:hover span{color:var(--cinnabar)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:40px;border-radius:var(--r-btn);border:1.5px solid var(--line);background:transparent;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);box-shadow:0 -6px 0 var(--ink),0 6px 0 var(--ink)}
/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(22,40,31,.42);z-index:95}
.drawer-mask[hidden]{display:none}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:302px;max-width:86vw;background:var(--paper);z-index:96;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:18px 20px;box-shadow:-14px 0 34px rgba(22,40,31,.18);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:transparent;font-size:20px;line-height:1;color:var(--ink);cursor:pointer}
.drawer-nav{display:grid;gap:2px;padding-top:14px}
.drawer-nav a{padding:12px 8px;font-size:15.5px;border-bottom:1px dashed var(--line);color:var(--text)}
.drawer-nav a:hover{text-decoration:none;color:var(--cinnabar)}
.drawer-nav a.active{color:var(--ink);font-weight:700}
.drawer-note{margin-top:auto;padding-top:18px;font-size:13px;color:var(--muted);line-height:1.8}
/* ---------- article ---------- */
.crumb-bar{background:var(--paper-2);border-bottom:1px solid var(--line);padding:16px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:0}
.crumb a{color:var(--muted);font-size:13px}
.crumb a:hover{color:var(--cinnabar)}
.crumb .sep{color:rgba(62,47,35,.34)}
.crumb .current{color:var(--ink);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:52px 0 0}
.article-head-inner{max-width:860px}
.article-head .eyebrow{margin-bottom:16px}
.article-head h1{
  font-size:38px;
  line-height:1.34;
  word-break:break-word;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:20px;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--gold-line);display:inline-block}
.article-cover{margin:30px 0 0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--paper-2)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body-wrap{padding:56px 0 0}
.article-body{
  max-width:760px;margin:0 auto;font-size:16.5px;line-height:1.95;color:var(--text);
  word-break:break-word;overflow-wrap:anywhere;
}
.article-body > * + *{margin-top:1.05em}
.article-body p{margin:0 0 1.15em}
.article-body h2{position:relative;padding-left:18px;font-size:26px;line-height:1.45;margin:2.1em 0 .7em;color:var(--ink)}
.article-body h2::before{content:"";position:absolute;left:0;top:.4em;width:4px;height:18px;background:var(--gold);border-radius:2px}
.article-body h3{font-size:20px;margin:1.9em 0 .6em;padding-left:12px;border-left:2px solid var(--gold-line);color:var(--ink)}
.article-body h4{font-size:17px;margin:1.6em 0 .5em;color:var(--ink-deep);font-family:var(--sans);font-weight:700}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--gold-line)}
.article-body a:hover{color:var(--cinnabar);text-decoration-color:var(--cinnabar)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.45em}
.article-body li{margin-bottom:.5em;line-height:1.85}
.article-body li::marker{color:var(--gold)}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--paper-2);border-left:3px solid var(--gold);border-radius:0 10px 10px 0;color:#4A423A}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{max-width:100%;height:auto;border-radius:var(--r-img);margin:1.6em 0 .6em}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;line-height:1.7;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;max-width:100%;border:1px solid var(--line);border-radius:10px;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;line-height:1.7}
.article-body thead th{background:var(--paper-2);color:var(--ink);font-weight:600;white-space:nowrap}
.article-body tbody tr:nth-child(even){background:rgba(242,236,224,.55)}
.article-body hr{border:0;border-top:1px dashed var(--gold-line);margin:2em 0}
.article-body code{background:var(--paper-2);border-radius:4px;padding:2px 6px;font-size:14px;color:var(--ink-deep)}
.keypoints{margin:44px auto 0;max-width:760px;background:var(--paper-2);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:0 var(--r-card) var(--r-card) 0;padding:26px 28px}
.keypoints h2{font-size:19px;margin:0 0 14px;font-family:var(--serif)}
.keypoints ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.keypoints li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:#3C352D}
.keypoints li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.empty-state{max-width:760px;margin:0 auto;text-align:center;background:var(--card);border:1px dashed var(--gold-line);border-radius:var(--r-card);padding:52px 26px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:20px}
/* related */
.related-section{padding:66px 0 76px;background:var(--paper-2);border-top:1px dashed var(--gold-line)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.related-card{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:14px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--gold-line);text-decoration:none}
.related-card .thumb{flex:0 0 112px;width:112px;border-radius:10px;overflow:hidden;background:var(--paper-2)}
.related-card .thumb img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover}
.related-card .txt{min-width:0}
.related-card h3{font-size:15.5px;line-height:1.55;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card:hover h3{color:var(--cinnabar)}
.related-card time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
/* prev next */
.prevnext{padding:56px 0}
.prevnext-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.pn-item{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.pn-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--gold-line);text-decoration:none}
.pn-item span{display:block;font-size:12.5px;letter-spacing:.12em;color:var(--gold);font-weight:700;margin-bottom:8px}
.pn-item strong{display:block;font-family:var(--serif);font-size:17px;line-height:1.55;color:var(--ink);font-weight:700}
.pn-item:hover strong{color:var(--cinnabar)}
.pn-item.next{text-align:right}
/* cta */
.cta-band{background:var(--ink-deep);color:var(--paper);padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cta-band h2{font-size:31px;margin-bottom:14px}
.cta-band p{color:rgba(251,248,241,.78);margin-bottom:0;max-width:44ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-back{margin-top:26px;padding-top:20px;border-top:1px dashed rgba(232,201,142,.28);font-size:14px;color:rgba(251,248,241,.72)}
.cta-back a{color:var(--gold-lt);font-weight:600}
.cta-back a:hover{color:#fff}
/* notice strip */
.notice-strip{background:var(--paper-2);border-top:1px solid var(--line)}
.notice-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;font-size:13.5px;color:var(--muted)}
.notice-inner a{font-weight:600;color:var(--ink);font-size:13.5px}
.notice-inner a:hover{color:var(--cinnabar)}
/* footer */
.site-footer{background:var(--ink-deep);color:rgba(251,248,241,.78);padding:64px 0 0;border-top:3px solid var(--gold)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px}
.footer-brand .brand-main{color:var(--paper);font-size:20px;display:block;margin-bottom:6px}
.footer-brand .brand-sub{display:block;color:var(--gold-lt);font-size:12px;letter-spacing:.04em;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(251,248,241,.66);margin:0;max-width:34ch}
.footer-col h4{font-family:var(--sans);font-size:14px;letter-spacing:.06em;color:var(--paper);margin:0 0 14px;font-weight:700}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-col li{font-size:14px;line-height:1.7;color:rgba(251,248,241,.66)}
.footer-col a{color:rgba(251,248,241,.78);font-size:14px}
.footer-col a:hover{color:var(--gold-lt);text-decoration:none}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:20px 0;border-top:1px solid rgba(232,201,142,.16);font-size:13px;color:rgba(251,248,241,.56)}
.footer-bottom a{color:rgba(251,248,241,.7);font-size:13px}
.footer-bottom a:hover{color:var(--gold-lt)}
@media (max-width:1200px){
  .mega-panel{width:680px;grid-template-columns:1fr 1fr;}
  .mega-card{display:none}
}
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:992px){
  .primary-nav{display:none}
  .mega-wrap{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{min-height:66px;gap:12px}
  .brand-main{font-size:19px}
  .article-head h1{font-size:32px}
  h1{font-size:32px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:60px 0}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .topbar-inner{min-height:32px;font-size:12px}
  .topbar-inner span:first-child{display:none}
  .article-head{padding:36px 0 0}
  .article-head h1{font-size:28px}
  .article-meta{gap:8px 14px;font-size:13px}
  .article-body-wrap{padding:40px 0 0}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .keypoints{padding:22px 20px}
  .related-grid{grid-template-columns:1fr}
  .prevnext-grid{grid-template-columns:1fr}
  .pn-item.next{text-align:left}
  .section{padding:52px 0}
  .cta-band{padding:54px 0}
  .cta-band h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .notice-inner{font-size:13px}
}
@media (max-width:520px){
  h1{font-size:26px}
  .article-head h1{font-size:25px}
  .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch}
  .related-card{flex-direction:column}
  .related-card .thumb{flex:none;width:100%}
  .related-card .thumb img{aspect-ratio:16/9}
  .article-cover{margin-top:22px}
}

/* roulang page: category1 */
:root{
  --ink:#1F3A32;
  --ink-deep:#16281F;
  --gold:#C08A3E;
  --gold-dark:#B27B32;
  --gold-lt:#E8C98E;
  --cinnabar:#A6402D;
  --paper:#FBF8F1;
  --paper-2:#F2ECE0;
  --card:#FFFFFF;
  --line:rgba(62,47,35,.10);
  --gold-line:rgba(192,138,62,.28);
  --text:#2A2621;
  --muted:#6B6259;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:4px;
  --shadow:0 6px 18px rgba(31,58,50,.06);
  --shadow-h:0 14px 30px rgba(31,58,50,.12);
  --container:1200px;
  --serif:'Noto Serif SC','Songti SC','SimSun',serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--cinnabar);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.35;margin:0;font-weight:700}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;position:relative}
.section--tint{background:var(--paper-2)}
.section--line{border-top:1px dashed var(--gold-line)}
.section--dark{background:var(--ink-deep);color:var(--paper)}
.section--dark h2,.section--dark h3,.section--dark h4{color:var(--paper)}
.section--dark p{color:rgba(251,248,241,.82)}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:30px;margin-bottom:.45em}
.section-head p{color:var(--muted);font-size:16.5px;line-height:1.9;margin:0}
.section--dark .section-head p{color:rgba(251,248,241,.75)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--gold);background:rgba(192,138,62,.12);border-radius:var(--r-badge);padding:5px 12px;margin-bottom:14px;font-weight:600}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- 按钮 / 徽章 / 卡片 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-btn);font-family:var(--sans);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease;text-align:center;line-height:1.4}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--gold);color:#16281F;box-shadow:0 6px 16px rgba(192,138,62,.28)}
.btn-primary:hover{background:var(--gold-dark);color:#16281F;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ghost--light{border-color:rgba(251,248,241,.55);color:var(--paper)}
.btn-ghost--light:hover{background:var(--paper);color:var(--ink-deep)}
.btn-sm{padding:10px 18px;font-size:14px}
.badge{display:inline-block;background:var(--gold-lt);color:var(--ink);font-size:13px;line-height:1.4;padding:4px 10px;border-radius:var(--r-badge);font-weight:600}
.badge--ghost{background:rgba(31,58,50,.08);color:var(--ink)}
.badge--line{background:transparent;border:1px solid var(--gold-line);color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--gold-line)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--ink)}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{text-decoration:none;color:var(--cinnabar)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 页头 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,248,241,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:34px;font-size:13px;color:var(--muted)}
.topbar-link{font-size:13px;font-weight:600;color:var(--ink)}
.topbar-link:hover{color:var(--cinnabar)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.25}
.brand-main{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.brand:hover{text-decoration:none}
.brand:hover .brand-main{color:var(--cinnabar)}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{display:inline-block;padding:10px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text);position:relative}
.nav-link:hover{background:var(--paper-2);color:var(--ink);text-decoration:none}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:10px}
.mega-wrap{position:relative}
.mega-trigger{background:transparent;border:1.5px solid var(--line);border-radius:var(--r-btn);padding:9px 15px;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:.2s}
.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{background:var(--paper-2);border-color:var(--gold-line);text-decoration:underline;text-underline-offset:3px}
.mega-panel{position:absolute;right:0;top:calc(100% + 12px);width:680px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:0 20px 44px rgba(31,58,50,.16);padding:22px;display:none;grid-template-columns:1.2fr .9fr .9fr;gap:20px;z-index:90}
.mega-panel.is-open{display:grid}
.mega-col h4{font-family:var(--sans);font-size:13px;letter-spacing:.1em;color:var(--gold);margin:0 0 12px;text-transform:none}
.mega-col ul{list-style:none;display:grid;gap:9px}
.mega-col a{font-size:14px;color:var(--text);display:block;padding:4px 0}
.mega-col a:hover{color:var(--cinnabar);text-decoration:none;padding-left:4px}
.menu-toggle{display:none;background:transparent;border:1.5px solid var(--line);border-radius:var(--r-btn);padding:9px 14px;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);cursor:pointer}
.nav-scrim{display:none;position:fixed;inset:0;background:rgba(22,40,31,.42);z-index:110}
.nav-scrim.is-open{display:block}

/* ---------- 分类页头 ---------- */
.cat-head{background:linear-gradient(180deg,#F2ECE0 0%,#FBF8F1 100%);border-bottom:1px solid var(--line);padding:44px 0 0}
.crumb{font-size:13px;color:var(--muted);margin-bottom:26px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cinnabar);text-decoration:none}
.crumb .sep{margin:0 8px;color:rgba(107,98,89,.5)}
.cat-head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:flex-end;padding-bottom:38px}
.cat-head h1{font-size:40px;line-height:1.28;margin:0 0 16px;letter-spacing:.01em}
.cat-head h1 .h1-sub{display:block;margin-top:12px;font-size:20px;font-family:var(--sans);font-weight:600;color:var(--gold-dark);letter-spacing:.02em}
.cat-lead{font-size:16.5px;line-height:1.95;color:var(--muted);margin:0 0 20px}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px}
.spec-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.spec-item{padding:20px 22px 22px 0;border-right:1px dashed var(--gold-line)}
.spec-item:last-child{border-right:0;padding-right:0}
.spec-item dt{font-size:13px;color:var(--muted);margin:0 0 5px;letter-spacing:.04em}
.spec-item dd{margin:0;font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}

/* ---------- 速览卡 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.quick-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--gold-line)}
.quick-card .q-index{font-family:var(--serif);font-size:13px;letter-spacing:.16em;color:var(--gold);display:block;margin-bottom:10px}
.quick-card h3{font-size:18px;margin:0 0 10px}
.quick-card p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- 服务条目 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.svc-item{display:grid;grid-template-columns:1fr 152px;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;align-items:start}
.svc-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--gold-line)}
.svc-body h3{font-size:19px;margin:0 0 9px}
.svc-body p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0 0 14px}
.svc-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
.svc-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:var(--paper-2)}
.svc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.svc-item:hover .svc-thumb img{transform:scale(1.04)}

/* ---------- 场景搭配 ---------- */
.scene-list{display:grid;gap:0;max-width:900px}
.scene-item{display:grid;grid-template-columns:70px 1fr;gap:18px;padding:24px 0;border-bottom:1px dashed var(--gold-line)}
.scene-item:first-child{padding-top:0}
.scene-item:last-child{border-bottom:0;padding-bottom:0}
.scene-num{font-family:var(--serif);font-size:28px;color:var(--gold);line-height:1.1;font-weight:700}
.scene-item h3{font-size:19px;margin:0 0 8px}
.scene-item p{margin:0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:1fr 1fr;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.prep-col{padding:34px 32px}
.prep-col + .prep-col{border-left:1px dashed var(--gold-line)}
.prep-col h3{font-size:19px;margin:0 0 18px}
.prep-list{list-style:none;display:grid;gap:15px}
.prep-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--text)}
.prep-mark{flex:0 0 22px;height:22px;border-radius:50%;background:var(--gold);color:#16281F;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:4px}
.prep-mark--line{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}

/* ---------- 手风琴 ---------- */
.acc{display:grid;gap:12px;max-width:900px}
.acc-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.acc-item.is-open{border-color:var(--gold-line);box-shadow:var(--shadow)}
.acc-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:transparent;border:0;font-family:var(--sans);font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;text-align:left;line-height:1.6}
.acc-btn::after{content:"+";font-size:22px;color:var(--gold);transition:transform .25s ease;flex:0 0 auto}
.acc-item.is-open .acc-btn::after{transform:rotate(45deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-item.is-open .acc-panel{max-height:340px}
.acc-panel p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--gold-line);text-decoration:none}
.rel-card h3{font-size:17px;line-height:1.55;margin:0;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:auto}
.rel-card .badge{align-self:flex-start}
.empty-note{background:var(--card);border:1px dashed var(--gold-line);border-radius:var(--r-card);padding:38px 24px;text-align:center;color:var(--muted);font-size:15px;margin:0}

/* ---------- 收口 CTA ---------- */
.cta-band{background:var(--ink-deep);color:var(--paper);border-radius:var(--r-card);padding:46px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:var(--paper);font-size:27px;margin:0 0 10px}
.cta-band p{color:rgba(251,248,241,.75);margin:0;font-size:15.5px;line-height:1.85;max-width:56ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(251,248,241,.78);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .brand-main{color:var(--paper);font-family:var(--serif);font-size:20px;display:block;line-height:1.4}
.footer-brand .brand-sub{color:var(--gold-lt);font-size:12px;display:block;margin:8px 0 14px;letter-spacing:.02em}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(251,248,241,.65);margin:0}
.footer-col h4{color:var(--paper);font-size:16px;margin:0 0 16px;font-family:var(--sans);font-weight:700;letter-spacing:.02em}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:rgba(251,248,241,.7);line-height:1.7}
.footer-col a:hover{color:var(--gold-lt);text-decoration:none}
.footer-bottom{border-top:1px solid rgba(251,248,241,.14);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(251,248,241,.55)}
.footer-bottom a{color:var(--gold-lt)}
.footer-bottom a:hover{color:#fff;text-decoration:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .mega-panel{width:560px;grid-template-columns:1fr 1fr}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-head-grid{grid-template-columns:1fr;gap:26px;align-items:start}
  .svc-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:992px){
  .section{padding:60px 0}
  .cat-head h1{font-size:33px}
  .cat-head h1 .h1-sub{font-size:18px}
  .primary-nav{position:fixed;top:0;right:0;width:min(320px,84vw);height:100vh;background:var(--card);flex-direction:column;align-items:stretch;justify-content:flex-start;padding:84px 20px 28px;gap:6px;transform:translateX(106%);transition:transform .28s ease;box-shadow:-18px 0 40px rgba(31,58,50,.18);z-index:120;overflow-y:auto;margin-left:0}
  .primary-nav.is-open{transform:translateX(0)}
  .nav-link{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--paper-2);border-radius:8px}
  .menu-toggle{display:inline-flex}
  .mega-panel{position:fixed;left:20px;right:20px;top:96px;width:auto;grid-template-columns:1fr;max-height:64vh;overflow-y:auto}
  .spec-row{grid-template-columns:1fr 1fr}
  .spec-item{border-right:0;border-bottom:1px dashed var(--gold-line);padding:16px 12px 16px 0}
  .spec-item:nth-child(2n){padding-right:0}
  .prep-grid{grid-template-columns:1fr}
  .prep-col + .prep-col{border-left:0;border-top:1px dashed var(--gold-line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:34px 26px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-head h2{font-size:24px}
  .cat-head{padding-top:30px}
  .cat-head h1{font-size:28px}
  .cat-head h1 .h1-sub{font-size:16px}
  .quick-grid{grid-template-columns:1fr}
  .svc-item{grid-template-columns:1fr}
  .svc-thumb{order:-1;aspect-ratio:16/9}
  .scene-item{grid-template-columns:52px 1fr;gap:14px}
  .scene-num{font-size:22px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .topbar-inner{font-size:12px;gap:10px}
  .topbar-inner span{max-width:64%}
  .cta-band{padding:28px 20px}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .cat-head h1{font-size:25px}
  .spec-row{grid-template-columns:1fr}
  .spec-item{padding-right:0}
  .btn{width:100%}
  .nav-actions .mega-trigger{padding:8px 11px;font-size:13px}
  .brand-main{font-size:18px}
  .brand-sub{font-size:10.5px}
  .acc-btn{font-size:15px;padding:16px 18px}
  .acc-panel p{padding:0 18px 18px}
}