/* roulang page: index */
:root{
  --paper:#F6F2EA;
  --paper-deep:#EDE6D8;
  --ink:#1B1916;
  --ink-soft:#24211E;
  --text-main:#241F19;
  --text-sub:#6E6358;
  --text-invert:#F5F1EA;
  --gold:#A67C46;
  --gold-light:#D4B98F;
  --line:#D8CCBB;
  --line-dark:#3D3832;
  --error:#A13D2D;
  --success:#3F6B52;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",SimSun,serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-lg:16px;
  --radius:8px;
  --radius-sm:6px;
  --shadow-card:0 12px 30px rgba(27,25,22,.08);
  --shadow-soft:0 8px 24px rgba(33,29,20,.1);
  --ease:cubic-bezier(.2,.6,.2,1);
}
* ,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text-main);font-family:var(--sans);font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,h5,h6{font-family:var(--serif);font-weight:600;color:var(--text-main);margin:0;line-height:1.28}
a{color:inherit;text-decoration:none}
a img,img{max-width:100%;border:0;display:block}
ul,ol,dl,dd,p,blockquote{margin:0;padding:0}
button,input,select,textarea{font:inherit;letter-spacing:normal}
button{cursor:pointer;border:none;background:none}
img::selection{background:transparent}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.container{max-width:1240px;margin:0 auto;padding:0 24px;position:relative}
.section{padding:clamp(80px,12vw,140px) 0}
.section-heading{display:flex;flex-direction:column;gap:18px}
.eyebrow{font-size:13px;letter-spacing:.08em;color:var(--gold);text-transform:uppercase;display:inline-flex;align-items:center;gap:12px;font-weight:600}
.eyebrow:before{content:"";width:36px;height:1px;background:var(--gold)}
.section-title{font-size:clamp(30px,4vw,42px);margin-top:10px;letter-spacing:-.01em}
.section-intro{color:var(--text-sub);max-width:640px;font-size:17px;margin-top:8px}
.text-invert{color:var(--text-invert)}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;letter-spacing:.02em;transition:all .3s var(--ease);white-space:nowrap;line-height:1.2}
.btn-primary{background:var(--gold);color:#fff}
.btn-primary:hover{background:var(--ink);color:var(--text-invert);transform:translateY(-2px)}
.btn-primary:active{background:var(--ink-soft)}
.btn-outline{border:1px solid rgba(27,25,22,.24);color:var(--ink)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);background:rgba(166,124,70,.07);transform:translateY(-2px)}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-sm{min-height:40px;padding:8px 20px;font-size:14px}
.btn-gold-dark{background:var(--gold);color:#fff}
.btn-gold-dark:hover{background:var(--ink);color:var(--text-invert);transform:translateY(-2px)}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:76px;background:linear-gradient(180deg,rgba(246,242,234,.9),rgba(246,242,234,.62));border-bottom:1px solid rgba(216,204,187,.55);backdrop-filter:blur(8px);transition:height .35s var(--ease),background .35s var(--ease),border-color .35s var(--ease)}
.site-header.is-scrolled{height:60px;background:rgba(27,25,22,.86);border-bottom:1px solid rgba(212,185,143,.22)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand-logo{display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;flex:0 0 34px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--ink);color:var(--gold-light);overflow:hidden}
.brand-mark svg{width:22px;height:22px;stroke:var(--gold-light);fill:none;stroke-width:1.5}
.brand-text{display:flex;flex-direction:column;line-height:1;transition:color .3s ease}
.brand-text strong{font-family:var(--serif);font-weight:700;font-size:19px;letter-spacing:.02em;color:var(--ink);white-space:nowrap;transition:color .3s ease}
.brand-text small{font-size:10px;letter-spacing:.14em;color:var(--text-sub);margin-top:3px;text-transform:uppercase;transition:color .3s ease}
.is-scrolled .brand-text strong{color:var(--text-invert)}
.is-scrolled .brand-text small{color:var(--gold-light)}
.main-nav ul{display:flex;list-style:none;align-items:center;gap:8px;padding:0}
.main-nav ul a{display:inline-block;padding:10px 15px;font-size:15px;font-weight:500;color:#2C2720;border-radius:6px;position:relative;transition:color .25s var(--ease),background .25s var(--ease)}
.main-nav ul a:after{content:"";position:absolute;left:15px;right:15px;bottom:5px;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left center;transition:transform .35s var(--ease)}
.main-nav ul a:hover{color:var(--gold)}
.main-nav ul a.active:after,.main-nav ul a:hover:after{transform:scaleX(1)}
.is-scrolled .main-nav ul a{color:rgba(245,241,234,.9)}
.is-scrolled .main-nav ul a:hover{color:var(--gold-light)}
.header-tools{display:flex;align-items:center;gap:12px}
.header-cta{display:inline-flex}
.header-cta .btn{background:var(--ink);color:var(--text-invert)}
.header-cta .btn:hover{background:var(--gold)}
.nav-toggle{display:none;width:42px;height:42px;position:relative;border-radius:6px;border:1px solid rgba(27,25,22,.2);color:var(--ink)}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:currentColor;border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav-toggle span:nth-child(1){top:13px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.open span:nth-child(1){top:20px;transform:rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){top:20px;transform:rotate(-45deg)}
.drawer-cta{display:none}

/* Hero */
.hero{display:grid;grid-template-columns:55% 45%;min-height:100vh;position:relative;background:var(--paper)}
.hero:before{position:absolute;top:0;bottom:0;left:0;width:55%;content:"";pointer-events:none;background:linear-gradient(90deg,rgba(246,242,234,0) 0%,rgba(246,242,234,.6) 100%);z-index:2}
.hero-text{position:relative;z-index:3;align-self:center;padding:135px 70px 80px 60px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.1em;color:var(--gold);font-weight:600}
.hero-eyebrow:before{content:"";width:34px;height:1px;background:var(--gold)}
.hero h1{font-size:clamp(42px,5.6vw,72px);line-height:1.12;letter-spacing:-.01em;margin-top:30px;max-width:650px}
.hero h1 em{font-style:normal;color:var(--gold);display:block}
.hero-lead{font-size:18px;line-height:1.9;color:var(--text-sub);margin-top:28px;max-width:520px}
.hero-status{display:inline-flex;align-items:center;gap:9px;margin-top:26px;padding:7px 14px;border-radius:999px;background:rgba(63,107,82,.07);color:var(--success);font-size:13px;font-weight:600}
.status-dot,.nav-status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 0 rgba(63,107,82,.3);animation:pulseGreen 2.2s infinite}
@keyframes pulseGreen{0%{box-shadow:0 0 0 0 rgba(63,107,82,.25)}70%{box-shadow:0 0 0 8px rgba(63,107,82,0)}100%{box-shadow:0 0 0 0 rgba(63,107,82,0)}}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.hero-trust{display:block;margin-top:42px;max-width:560px}
.hero-trust ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 10px}
.hero-trust li{background:rgba(166,124,70,.1);color:var(--gold);border:1px solid rgba(166,124,70,.2);font-size:13px;padding:6px 14px;border-radius:999px}
.hero-visual{position:relative;z-index:1;background:var(--ink);min-height:100vh;overflow:hidden;display:flex;align-items:center}
.hero-visual .backdrop{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.27;mix-blend-mode:luminosity}
.hero-visual .backdrop:after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(27,25,22,.4) 10%,rgba(27,25,22,.82) 72%)}
.viz-chart{position:relative;z-index:2;width:100%;height:100%;padding:60px 45px 38px;display:flex;flex-direction:column;justify-content:center;color:var(--text-invert)}
.viz-grid-lines{position:absolute;inset:0;background-image:linear-gradient(to right,rgba(212,185,143,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(212,185,143,.05) 1px,transparent 1px);background-size:42px 42px;pointer-events:none}
.viz-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;position:relative}
.viz-top .tag{font-size:12px;letter-spacing:.12em;color:var(--gold-light);border:1px solid rgba(212,185,143,.45);border-radius:999px;padding:5px 14px}
.viz-top .node-state{display:flex;align-items:center;gap:7px;font-size:13px;color:rgba(245,241,234,.7)}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:28px;position:relative}
.viz-metric{background:rgba(27,25,22,.62);border:1px solid rgba(212,185,143,.28);backdrop-filter:blur(4px);padding:22px 22px 20px;border-radius:var(--radius);position:relative;overflow:hidden;transition:border-color .3s ease}
.viz-metric:after{content:"";position:absolute;right:-12px;bottom:-12px;width:54px;height:54px;border:1px solid rgba(212,185,143,.12);border-radius:50%}
.viz-metric:hover{border-color:var(--gold-light)}
.viz-metric .metric-label{font-size:13px;color:rgba(245,241,234,.62)}
.viz-metric .metric-value{font-family:var(--serif);font-weight:600;font-size:36px;color:var(--gold-light);margin-top:8px;line-height:1}
.viz-metric .metric-unit{font-size:13px;font-family:var(--sans);color:rgba(245,241,234,.5);margin-left:3px}
.viz-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.viz-pills span{font-size:12px;padding:7px 14px;border-radius:999px;border:1px solid rgba(245,241,234,.16);color:rgba(245,241,234,.75);background:rgba(36,33,30,.5)}
.viz-pills i{width:6px;height:6px;border-radius:50%;display:inline-block;margin-right:8px;background:var(--success);vertical-align:middle}
.viz-pills span:nth-child(2) i{background:var(--gold-light)}
.viz-pills span:nth-child(3) i{background:var(--gold)}
.viz-note{font-size:12px;color:rgba(245,241,234,.48);margin-top:22px;padding-top:16px;border-top:1px solid rgba(212,185,143,.2);position:relative}
.viz-note strong{color:var(--gold-light);font-weight:500}

/* stats band */
.stats-band{background:var(--ink);color:var(--text-invert);padding:56px 0;position:relative;overflow:hidden}
.stats-band:after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(212,185,143,.45),transparent)}
.stats-band .section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:38px}
.stats-band .eyebrow-invert{color:var(--gold-light)}
.stats-band .eyebrow-invert:before{background:var(--gold-light)}
.stats-band h2{color:var(--text-invert);font-size:clamp(24px,2.6vw,32px)}
.stats-link{color:rgba(245,241,234,.55);font-size:13px;border-bottom:1px solid transparent;transition:border-color .3s ease,color .3s ease}
.stats-link:hover{color:var(--gold-light);border-color:var(--gold-light)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-item{border-left:1px solid rgba(212,185,143,.2);padding-left:24px}
.stat-item .stat-num{font-family:var(--serif);font-size:clamp(34px,3.4vw,52px);font-weight:600;color:var(--gold-light);line-height:1.1}
.stat-item .stat-desc{color:rgba(245,241,234,.62);font-size:14px;margin-top:9px}

/* services */
.services{background:var(--paper)}
.services .section-heading{margin-bottom:56px;display:flex;justify-content:space-between;align-items:flex-end}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 28px 26px;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s ease;position:relative;overflow:hidden}
.service-card:before{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--gold);transition:height .35s var(--ease)}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(166,124,70,.4)}
.service-card:hover:before{height:100%}
.service-icon{width:58px;height:58px;border-radius:12px;border:1.5px solid rgba(166,124,70,.4);display:flex;align-items:center;justify-content:center;margin-bottom:24px;color:var(--gold);transition:background .3s ease,color .3s ease}
.service-icon svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:1.5}
.service-card:hover .service-icon{background:var(--gold);color:#fff}
.service-card h3{font-size:22px;color:var(--text-main);margin-bottom:13px}
.service-card p{color:var(--text-sub);font-size:15px;line-height:1.85}
.service-more{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14px;font-weight:600;color:var(--text-sub);transition:color .3s ease}
.service-more:after{content:"→";transition:transform .3s ease}
.service-card:hover .service-more{color:var(--gold)}
.service-card:hover .service-more:after{transform:translateX(5px)}

/* comparison */
.comparison-section{background:var(--paper-deep)}
.compare-heading{margin-bottom:60px}
.compare-grid{display:grid;grid-template-columns:1fr;gap:26px}
.compare-group{border-radius:var(--radius-lg);overflow:hidden}
.compare-group.legacy{background:#F0EAE0;border:1px solid rgba(216,204,187,.6)}
.compare-group.official{background:var(--ink);box-shadow:var(--shadow-card)}
.compare-group-header{padding:26px 28px;display:flex;align-items:center;gap:15px;border-bottom:1px solid rgba(216,204,187,.4)}
.compare-group.official .compare-group-header{border-color:rgba(212,185,143,.2)}
.compare-icon{width:44px;height:44px;border-radius:10px;display:flex;justify-content:center;align-items:center;flex-shrink:0}
.legacy .compare-icon{background:rgba(110,99,88,.1);color:var(--text-sub)}
.official .compare-icon{background:var(--gold);color:#fff}
.compare-icon svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.6}
.compare-group h3{font-family:var(--sans);font-size:20px;font-weight:600}
.legacy h3{color:var(--text-sub)}
.official h3{color:var(--text-invert)}
.compare-note{font-size:13px;color:var(--text-sub);margin-left:auto}
.official .compare-note{color:var(--gold-light)}
.compare-rows{padding:14px 30px 20px}
.compare-row{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid rgba(216,204,187,.45)}
.compare-row:last-child{border-bottom:none}
.compare-row dt{font-size:15px;font-weight:600;color:var(--text-sub)}
.compare-group.official .compare-row{border-color:rgba(212,185,143,.15)}
.compare-group.official .compare-row dt{color:rgba(245,241,234,.75)}
.compare-row dd{color:var(--text-main);font-size:15.5px}
.compare-group.official .compare-row dd{color:rgba(245,241,234,.84)}
.compare-row dd strong{color:var(--gold)}

/* news */
.news-section{background:var(--paper)}
.news-section .section-top{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:52px}
.news-section .section-top .section-heading{margin-bottom:0}
.news-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:start}
.news-feature{background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);display:block;transition:box-shadow .4s var(--ease),transform .4s var(--ease)}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.news-cover-wrap{overflow:hidden;aspect-ratio:16/9;background:#E7E0D3;position:relative}
.news-cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.news-feature:hover .news-cover-wrap img{transform:scale(1.05)}
.news-feature-body{padding:26px 26px 22px}
.news-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 17px;font-size:13px;color:var(--text-sub);margin-bottom:12px}
.news-cat{color:var(--gold);border:1px solid rgba(166,124,70,.24);background:rgba(166,124,70,.06);padding:3px 12px;border-radius:999px}
.news-feature h3{font-size:24px;line-height:1.4;color:var(--text-main);margin-bottom:12px}
.news-feature p{color:var(--text-sub);font-size:15px;line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side{display:flex;flex-direction:column;gap:16px}
.news-side-item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .3s var(--ease),transform .3s var(--ease)}
.news-side-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:rgba(166,124,70,.4)}
.news-thumb{width:96px;min-width:96px;background:#EDE6D8;aspect-ratio:1/1;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-side-body{padding:12px 14px 12px 0;display:flex;flex-direction:column;justify-content:center;gap:8px;width:100%}
.news-side-meta{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--text-sub)}
.news-side-tag{color:var(--gold);border:1px solid rgba(166,124,70,.2);padding:1px 9px;border-radius:999px;background:rgba(166,124,70,.04)}
.news-side-body h3{font-size:16px;font-weight:500;line-height:1.45;color:var(--text-main);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-side-body p{font-size:13px;color:var(--text-sub);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{grid-column:1/-1;text-align:center;border:1px dashed var(--line);border-radius:var(--radius-lg);padding:58px 20px;color:var(--text-sub);display:flex;align-items:center;justify-content:center;gap:14px;min-height:250px;background:rgba(255,255,255,.45)}
.news-empty svg{width:42px;height:42px;stroke:var(--line);fill:none;stroke-width:1.2}
.news-empty p{color:#91857A;font-size:15px}

/* FAQ */
.faq-section{background:#fff}
.faq-section .faq-center{text-align:center;margin-bottom:54px}
.faq-section h2{text-align:center}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:10px;transition:all .35s ease;align-self:start}
.faq-item[open]{border-color:rgba(166,124,70,.45);background:var(--paper)}
.faq-question{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--text-main);cursor:pointer;font-family:var(--sans);line-height:1.5}
.faq-question::-webkit-details-marker{display:none}
.faq-question:after{content:"+";font-size:26px;font-weight:300;color:var(--gold);transition:transform .3s var(--ease);flex-shrink:0}
.faq-item[open] .faq-question:after{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;color:var(--text-sub);font-size:15px;line-height:1.85;border-top:1px dashed var(--line);margin-top:-2px;padding-top:16px}

/* apply / CTA */
.apply-section{background:var(--paper);position:relative}
.apply-wrap{display:grid;grid-template-columns:40% 60%;border-radius:var(--radius-lg);overflow:hidden;background:var(--ink);box-shadow:var(--shadow-card)}
.apply-left{background:var(--ink);color:var(--text-invert);padding:56px 46px;position:relative;overflow:hidden;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;}
.apply-left:before{content:"";position:absolute;inset:0;background:linear-gradient(170deg,rgba(27,25,22,.55),rgba(27,25,22,.95) 74%)}
.apply-left-inner{position:relative;z-index:2}
.apply-left h2{color:var(--text-invert);font-size:clamp(28px,3vw,38px);line-height:1.4}
.apply-left p{color:rgba(245,241,234,.72);font-size:16px;margin-top:20px;line-height:1.85}
.apply-list{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:13px}
.apply-list li{display:flex;gap:10px;color:rgba(245,241,234,.88);font-size:15px}
.apply-list svg{width:21px;height:21px;flex-shrink:0;stroke:var(--gold-light);fill:none;stroke-width:1.8;margin-top:3px}
.apply-contact{margin-top:34px;padding-top:27px;border-top:1px solid rgba(212,185,143,.22);font-size:14px;color:rgba(245,241,234,.6)}
.apply-contact em{font-style:normal;color:var(--gold-light);font-weight:600}
.apply-card{background:var(--paper);padding:56px 44px;border-radius:0 0 var(--radius-lg) 0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:14px;color:var(--text-main);font-weight:500}
.form-group label span{color:var(--error)}
.form-group input,.form-group select,.form-group textarea{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 14px;font-size:15px;color:var(--text-main);transition:border-color .3s ease,box-shadow .3s ease;width:100%}
.form-group textarea{resize:vertical;min-height:96px}
.form-group input::placeholder,.form-group textarea::placeholder{color:#B5AA9C;font-size:14px}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(166,124,70,.14)}
.form-note{font-size:13px;color:var(--text-sub);margin-top:14px;line-height:1.7}
.form-submit{margin-top:22px}
.form-error{color:var(--error);font-size:13px;margin-top:10px;display:none}
.form-success{color:var(--success);font-size:13px;margin-top:10px;display:none}

/* footer */
.site-footer{background:#191714;color:#C7BEB2;padding:84px 0 0}
.footer-main{display:grid;grid-template-columns:1.4fr .9fr .9fr 1.1fr;gap:48px;padding-bottom:58px}
.footer-brand h3{font-family:var(--serif);font-size:20px;color:var(--text-invert);margin-bottom:16px}
.footer-brand p{font-size:15px;color:rgba(199,190,178,.62);line-height:1.9;max-width:300px}
.footer-col h4{font-size:15px;color:var(--text-invert);margin-bottom:18px;font-family:var(--sans);font-weight:600}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(199,190,178,.62);font-size:14px;transition:color .3s ease,padding-left .3s ease}
.footer-col a:hover{color:var(--gold-light);padding-left:5px}
.footer-bottom{border-top:1px solid rgba(212,185,143,.14);padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;justify-content:space-between;color:rgba(199,190,178,.45);font-size:13px}
.footer-domain{color:var(--gold-light)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:80ms}.delay-2{transition-delay:160ms}.delay-3{transition-delay:240ms}.delay-4{transition-delay:320ms}.delay-5{transition-delay:400ms}

@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{transition-duration:0.001s!important;animation-duration:0.001s!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* responsive */
@media (max-width:1180px){
  .hero-text{padding:120px 34px 66px 34px}
  .hero{grid-template-columns:52% 48%}
  .hero-visual{min-height:70vh}
  .viz-metric .metric-value{font-size:30px}
  .footer-main{grid-template-columns:1.3fr .9fr .9fr}
}
@media (max-width:1024px){
  .hero{grid-template-columns:1fr}
  .hero-visual{min-height:600px;grid-column:1}
  .hero-text{padding:150px 24px 70px;max-width:780px;margin:0 auto}
  .hero-text:after{content:"";position:absolute;left:0;right:0;bottom:0;height:80px;background:linear-gradient(180deg,transparent,var(--paper));display:block}
  .services-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .apply-wrap{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:36px 20px}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .site-header.is-scrolled{height:62px}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{position:fixed;top:0;right:0;height:100vh;width:min(100%,480px);background:var(--ink);z-index:120;padding:110px 42px 40px;transform:translateX(105%);transition:transform .48s var(--ease);overflow-y:auto}
  .main-nav.is-open{transform:translateX(0)}
  .main-nav:before{content:"导航";position:absolute;top:30px;left:42px;font-size:13px;letter-spacing:.2em;color:var(--gold-light);opacity:.6}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:2px}
  .main-nav ul li{width:100%}
  .main-nav ul a{display:block;padding:16px 2px;font-size:26px;font-family:var(--serif);font-weight:600;color:var(--text-invert)!important}
  .main-nav ul a:after{display:none}
  .main-nav ul a.active{color:var(--gold-light)!important}
  .main-nav ul a.active:before{content:"";position:absolute;left:0;top:50%;width:3px;height:18px;background:var(--gold);transform:translateY(-50%)}
  .drawer-cta{display:flex;margin-top:50px;background:var(--gold);color:var(--ink)}
  .drawer-cta:hover{background:var(--gold-light);color:var(--ink)}
  .site-header{height:66px}
  .site-header.is-scrolled {height:62px}
  .hero-text h1{font-size:calc(42px + .8vw)}
  .compare-row{grid-template-columns:100px 1fr}
  .compare-note{display:none}
  .footer-main{grid-template-columns:1fr 1fr;gap:42px 30px}
}
@media (max-width:600px){
  .container{padding:0 18px}
  .section{padding:76px 0}
  .services-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:20px}
  .stat-item{border-left:none;border-top:1px solid rgba(212,185,143,.2);padding-left:0;padding-top:20px}
  .hero-visual{min-height:470px}
  .viz-chart{padding:34px 22px}
  .metric-grid{gap:10px}
  .viz-metric{padding:16px}
  .viz-metric-half .metric-value{font-size:26px}
  .hero-actions .btn{width:100%}
  .section-top{flex-direction:column;gap:24px}
  .news-side-item{flex-direction:column;gap:0;padding:0}
  .news-thumb{width:100%;min-width:100%;aspect-ratio:16/10}
  .news-side-body{padding:15px 16px}
  .faq-grid{grid-template-columns:1fr}
  .apply-card{padding:34px 22px}
  .form-grid{grid-template-columns:1fr}
  .apply-left{padding:40px 25px}
  .footer-main{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;justify-content:center}
}

/* roulang page: article */
:root {
  --paper: #F6F2EA;
  --paper-deep: #EDE6D8;
  --ink: #1B1916;
  --ink-soft: #24211E;
  --text-main: #241F19;
  --text-sub: #6E6358;
  --text-invert: #F5F1EA;
  --gold: #A67C46;
  --gold-light: #D4B98F;
  --line: #D8CCBB;
  --line-dark: #3D3832;
  --footer-line: rgba(244, 238, 228, 0.12);
  --error: #A13D2D;
  --success: #3F6B52;
  --shadow: 0 12px 30px rgba(33, 29, 20, 0.08);
  --radius-large: 16px;
  --radius: 8px;
  --radius-small: 6px;
  --max-container: 1240px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", "Songti SC", SimSun, serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-main);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
  border: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.25;
}

p {
  margin: 0;
}

button {
  font-family: inherit;
  border: 0;
  cursor: pointer;
}

.container {
  max-width: var(--max-container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 200;
  background: var(--ink);
  color: var(--text-invert);
  padding: 10px 18px;
  border-radius: 6px;
}

.skip-link:focus {
  top: 10px;
}

.section {
  padding: clamp(80px, 9vw, 120px) 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-small);
  border: 1px solid transparent;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-invert);
  background: var(--gold);
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
  white-space: nowrap;
}

.btn svg {
  margin-left: 8px;
}

.btn:hover {
  background: var(--ink);
  color: var(--text-invert);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(33, 29, 20, 0.12);
}

.btn:active {
  transform: translateY(0);
}

.btn-reverse {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--text-invert);
}

.btn-reverse:hover {
  background: var(--text-invert);
  border-color: var(--text-invert);
  color: var(--ink);
}

.btn-secondary {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold);
}

.btn-secondary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--text-invert);
}

.btn-sm {
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
}

.btn-dark-lg {
  min-height: 52px;
  padding: 0 28px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(246, 242, 234, 0.86);
  border-bottom: 1px solid rgba(216, 204, 187, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  width: 100%;
  height: 76px;
  display: flex;
  align-items: center;
  transition: height .3s ease, background .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.site-header.is-compact {
  height: 64px;
  background: rgba(27, 25, 22, 0.9);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 30px rgba(27, 25, 22, 0.12);
}

.site-header.is-compact .brand-text strong,
.site-header.is-compact .main-nav a,
.site-header.is-compact .brand-text small {
  color: var(--text-invert);
}

.site-header.is-compact .brand-mark {
  border-color: var(--gold);
}

.header-inner {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 28px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--gold);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  background: rgba(166, 124, 70, 0.08);
  transition: background .25s ease, color .25s ease;
}

.brand-logo:hover .brand-mark {
  background: var(--gold);
  color: #fff;
}

.brand-mark svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.brand-text strong {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0.01em;
  transition: color .3s ease;
  white-space: nowrap;
}

.brand-text small {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-sub);
  text-transform: uppercase;
  margin-top: 4px;
  transition: color .3s ease;
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.main-nav a {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 6px;
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  transition: color .2s ease, background .2s ease;
}

.main-nav a:hover {
  color: var(--gold);
  background: rgba(166, 124, 70, 0.08);
}

.main-nav a.active {
  color: var(--gold);
  background: rgba(166, 124, 70, 0.1);
}

.main-nav .drawer-cta {
  display: none;
}

.header-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-tools .header-cta {
  min-height: 40px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.4);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 99px;
  transition: transform .3s, opacity .3s;
}

body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Article Hero */
.article-hero {
  position: relative;
  background-color: var(--ink);
  background-image: linear-gradient(120deg, rgba(27, 25, 22, .92) 0%, rgba(47, 39, 32, .88) 100%);
  overflow: hidden;
  padding: clamp(86px, 12vw, 140px) 0 110px;
  color: var(--text-invert);
}

.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  opacity: .16;
  transform: scale(1.03);
  pointer-events: none;
}

.article-hero::after {
  content: "";
  position: absolute;
  right: -160px;
  top: -160px;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(212, 185, 143, 0.15);
  border-radius: 50%;
  pointer-events: none;
}

.article-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1020px;
  margin: 0 auto;
}

.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(245, 241, 234, 0.75);
}

.crumb a {
  color: rgba(245, 241, 234, 0.75);
  transition: color .2s;
}

.crumb a:hover {
  color: var(--gold-light);
}

.crumb-sep {
  color: rgba(245, 241, 234, 0.3);
}

.crumb-current {
  color: var(--gold-light);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(212, 185, 143, 0.45);
  background: rgba(212, 185, 143, 0.1);
  color: var(--gold-light);
  font-size: 13px;
  letter-spacing: .05em;
}

.hero-tag svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.article-title {
  margin-top: 22px;
  font-size: clamp(38px, 6vw, 58px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: #fffefb;
  max-width: 900px;
  text-wrap: balance;
}

.article-meta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 30px;
  color: rgba(245, 241, 234, 0.77);
  font-size: 14px;
}

.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.article-meta .meta-icon {
  width: 15px;
  height: 15px;
  color: var(--gold-light);
}

.hero-rule {
  width: 76px;
  height: 3px;
  margin-top: 38px;
  border: none;
  background: linear-gradient(90deg, var(--gold), rgba(212, 185, 143, 0.1));
  border-radius: 99px;
}

/* Article Feature */
.article-feature {
  max-width: 1040px;
  margin: -60px auto 0;
  padding: 0 24px;
  position: relative;
  z-index: 4;
}

.article-feature img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border-radius: var(--radius-large);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 24px 60px rgba(27, 25, 22, 0.18);
}

/* Article Sheet */
.article-sheet {
  max-width: 1040px;
  margin: 0 auto;
  padding: clamp(34px, 6vw, 64px) clamp(20px, 5vw, 72px) 28px;
  background: #FFFCF7;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  position: relative;
  z-index: 3;
}

.article-sheet-inner {
  max-width: 780px;
  margin: 0 auto;
}

.article-prose {
  font-size: 17px;
  line-height: 1.9;
  color: #32302a;
}

.article-prose h2,
.article-prose h3,
.article-prose h4 {
  margin-top: 42px;
  margin-bottom: 18px;
  color: var(--ink);
}

.article-prose h2 {
  padding-left: 16px;
  position: relative;
  font-size: 30px;
}

.article-prose h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.12em;
  bottom: 0.12em;
  width: 5px;
  background: var(--gold);
  border-radius: 99px;
}

.article-prose h3 {
  font-size: 24px;
  padding-left: 14px;
  position: relative;
}

.article-prose h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.22em;
  bottom: 0.22em;
  width: 3px;
  background: var(--gold-light);
  border-radius: 99px;
}

.article-prose h4 {
  font-size: 20px;
}

.article-prose p {
  margin-bottom: 24px;
  font-size: 17px;
  line-height: 1.95;
}

.article-prose a {
  color: #8B643B;
  text-decoration: underline;
  text-decoration-color: rgba(166, 124, 70, .3);
  text-underline-offset: 5px;
  transition: color .2s, text-decoration-color .2s;
}

.article-prose a:hover {
  color: var(--ink);
  text-decoration-color: var(--ink);
}

.article-prose ul,
.article-prose ol {
  margin: 0 0 26px 24px;
  padding-left: 8px;
}

.article-prose ul li,
.article-prose ol li {
  margin-bottom: 10px;
  padding-left: 6px;
}

.article-prose ul li::marker {
  color: var(--gold);
}

.article-prose blockquote {
  position: relative;
  border-left: 3px solid var(--gold);
  background: #F4EDE1;
  padding: 24px 28px;
  border-radius: 0 12px 12px 0;
  margin: 34px 0;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-main);
}

.article-prose blockquote p:last-child {
  margin-bottom: 0;
}

.article-prose img {
  border-radius: 12px;
  border: 1px solid var(--line);
  margin: 34px 0 12px;
  width: 100%;
  height: auto;
}

.article-prose figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--text-sub);
  padding-bottom: 18px;
}

.article-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 30px 0;
  border-radius: 8px;
  overflow: hidden;
}

.article-prose table th,
.article-prose table td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
}

.article-prose table th {
  background: var(--paper-deep);
  font-weight: 700;
}

.article-prose code {
  font-family: "SFMono-Regular", Consolas, monospace;
  background: #EFE9DF;
  padding: 3px 7px;
  border-radius: 4px;
  font-size: 15px;
}

.article-prose pre {
  background: var(--ink);
  color: var(--text-invert);
  border-radius: 10px;
  padding: 24px;
  overflow-x: auto;
}

/* Empty Article */
.article-empty {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(50px, 8vw, 110px) 24px;
  text-align: center;
}

.empty-inner {
  border: 1px dashed var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.35);
  padding: 76px 32px;
}

.empty-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 24px;
  border-radius: 18px;
  background: var(--paper-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
}

.empty-icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.empty-inner h1 {
  font-size: 30px;
  color: var(--ink);
  margin-bottom: 12px;
}

.empty-inner p {
  color: var(--text-sub);
  margin-bottom: 30px;
}

/* Tags and Post nav */
.article-detail-bottom {
  max-width: 1040px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}

.tag-label {
  color: var(--text-sub);
  font-size: 14px;
  margin-right: 4px;
}

.article-tag {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.42);
  transition: border-color .2s, color .2s, background .2s;
}

.article-tag:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(166, 124, 70, 0.06);
}

.post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.post-nav-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
  background: #FFFDF9;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}

.post-nav-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(33, 29, 20, 0.08);
}

.post-nav-card .nav-caption {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-sub);
}

.post-nav-card .nav-title {
  margin-top: 8px;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--text-main);
  line-height: 1.45;
}

.post-nav-card.next {
  text-align: right;
}

.post-nav-card .arrow {
  color: var(--gold);
  font-size: 14px;
}

/* Related */
.related-section {
  padding: 80px 0;
  background: #EDE6D9;
}

.related-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 42px;
}

.related-head-eyebrow {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.related-head h2 {
  font-size: clamp(36px, 4vw, 46px);
  color: var(--ink);
}

.related-note {
  max-width: 360px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-large);
  overflow: hidden;
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-height: 340px;
  transition: transform .3s ease, box-shadow .3s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 50px rgba(33, 29, 20, 0.16);
}

.related-card-img {
  position: relative;
  flex: 1;
  min-height: 220px;
  background-color: #393631;
}

.related-card-img img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(27,25,22,0.9) 0%, rgba(27,25,22,0.25) 45%, rgba(27,25,22,0) 100%);
}

.related-card-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 26px;
  color: var(--text-invert);
}

.related-card-body .rc-cat {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 8px;
}

.related-card-body h3 {
  font-size: 22px;
  line-height: 1.4;
  color: #FFFFFF;
}

.related-card-body p {
  margin-top: 10px;
  font-size: 14px;
  color: rgba(245, 241, 234, 0.75);
}

.related-card-link {
  color: var(--gold-light);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  margin-top: 12px;
}

/* CTA strip */
.page-cta {
  background: var(--ink);
  padding: 64px 0;
  color: var(--text-invert);
}

.page-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.page-cta-copy h2 {
  font-size: clamp(26px, 4vw, 38px);
  color: #fff;
}

.page-cta-copy p {
  margin-top: 8px;
  color: rgba(245, 241, 234, 0.67);
}

.page-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--text-invert);
  padding-top: 80px;
  padding-bottom: 44px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--footer-line);
}

.footer-brand h3 {
  font-size: 24px;
  color: #FFF;
  letter-spacing: 0.01em;
  margin-bottom: 14px;
}

.footer-brand p {
  max-width: 360px;
  color: rgba(245, 241, 234, 0.65);
  font-size: 15px;
  line-height: 1.8;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li + li {
  margin-top: 12px;
}

.footer-col a {
  color: rgba(240, 236, 229, 0.65);
  font-size: 14px;
  transition: color .2s;
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  color: rgba(240, 236, 229, 0.46);
  font-size: 13px;
}

.footer-domain {
  padding-left: 4px;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s cubic-bezier(.2, .6, .2, 1), transform .7s cubic-bezier(.2, .6, .2, 1);
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

@media (max-width: 1180px) {
  .footer-main {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1024px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .header-inner {
    gap: 16px;
  }
  .brand-text strong {
    font-size: 18px;
  }
  .main-nav a {
    padding: 10px 13px;
    font-size: 14px;
  }
  .header-cta {
    display: none !important;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(360px, 92vw);
    background: rgba(27, 25, 22, 0.98);
    margin: 0;
    padding: 100px 32px 32px;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform .38s cubic-bezier(.2, .6, .2, 1);
    z-index: -1;
  }
  body.nav-open .main-nav {
    transform: translateX(0);
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .main-nav a {
    display: block;
    width: 100%;
    color: var(--text-invert);
    font-size: 22px;
    padding: 14px 10px;
    border-radius: 8px;
    font-family: var(--serif);
  }
  .main-nav a:hover,
  .main-nav a.active {
    color: var(--gold-light);
    background: rgba(212, 185, 143, .08);
  }
  .main-nav .drawer-cta {
    display: inline-flex;
    margin-top: 30px;
  }
  .header-tools .nav-toggle {
    z-index: 90;
  }
}

@media (max-width: 768px) {
  .article-title {
    font-size: clamp(30px, 7vw, 46px);
  }
  .article-hero {
    padding-top: 70px;
    padding-bottom: 110px;
  }
  .article-feature {
    margin-top: -42px;
  }
  .article-feature img {
    aspect-ratio: 4 / 3;
    border-radius: 13px;
  }
  .article-sheet {
    border-radius: 12px;
    padding: 28px 22px 40px;
  }
  .article-prose p {
    font-size: 16px;
  }
  .related-section {
    padding: 60px 0;
  }
  .related-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .related-card {
    min-height: 280px;
  }
  .post-nav {
    grid-template-columns: 1fr;
  }
  .post-nav-card.next {
    text-align: left;
  }
  .page-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 36px 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .site-header {
    height: 64px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }
  .brand-mark svg {
    width: 19px;
    height: 19px;
  }
  .brand-text strong {
    font-size: 15px;
  }
  .brand-text small {
    display: none;
  }
  .main-nav .drawer-cta {
    width: 100%;
  }
  .article-hero {
    padding-bottom: 100px;
  }
  .article-feature {
    padding-left: 14px;
    padding-right: 14px;
  }
  .article-feature img {
    aspect-ratio: 1 / 1;
    border-radius: 12px;
  }
  .article-sheet {
    margin-left: 0;
    margin-right: 0;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category1 */
:root{
  --paper:#F6F2EA;
  --paper-deep:#EDE6D8;
  --ink:#1B1916;
  --ink-soft:#24211E;
  --text-main:#241F19;
  --text-sub:#6E6358;
  --text-invert:#F5F1EA;
  --gold:#A67C46;
  --gold-light:#D4B98F;
  --line:#D8CCBB;
  --line-dark:#3D3832;
  --error:#A13D2D;
  --success:#3F6B52;
  --radius-sm:6px;
  --radius:10px;
  --radius-lg:18px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Source Han Serif CN","Songti SC",SimSun,serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --shadow-lift:0 14px 28px rgba(33,29,20,.08);
  --ease:cubic-bezier(.2,.6,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--text-main);
  font-family:var(--font-sans);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{background:none;border:0;cursor:pointer;font-family:inherit}
input,textarea,select{font-family:inherit}
.container{
  width:min(1240px,calc(100% - 48px));
  margin-inline:auto;
}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 26px;
  font-size:15px;
  font-weight:600;
  font-family:var(--font-sans);
  letter-spacing:.02em;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  background:var(--gold);
  color:var(--paper);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .2s var(--ease);
}
.btn:hover{
  background:var(--ink);
  color:var(--text-invert);
  transform:translateY(-1px);
}
.btn:active{transform:translateY(0)}
.btn-secondary{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-secondary:hover{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--text-invert);
}
.btn-outline-light{
  background:transparent;
  color:var(--text-invert);
  border-color:rgba(245,241,234,.55);
}
.btn-outline-light:hover{
  background:var(--gold);
  border-color:var(--gold);
  color:var(--ink);
}
.btn-lg{
  min-height:52px;
  padding-inline:36px;
  font-size:16px;
}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  height:76px;
  background:rgba(246,242,234,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(216,204,187,.55);
  transition:height .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.scrolled{
  height:60px;
  background:rgba(27,25,22,.94);
  border-bottom:1px solid var(--line-dark);
}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:34px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
  color:var(--ink);
}
.brand-mark{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  color:var(--gold-light);
  background:var(--ink);
  border-radius:9px;
}
.brand-mark svg{
  width:23px;
  height:23px;
  display:block;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  letter-spacing:.01em;
  color:inherit;
  transition:color .3s var(--ease);
}
.brand-text small{
  font-size:10px;
  letter-spacing:.1em;
  color:var(--text-sub);
  margin-top:2px;
  transition:color .3s var(--ease);
}
.main-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:16px;
}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav ul a{
  display:block;
  font-size:14px;
  font-weight:500;
  color:var(--text-main);
  padding:9px 15px;
  border-radius:var(--radius-sm);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.main-nav ul a:hover{
  background:rgba(166,124,70,.08);
  color:var(--gold);
}
.main-nav ul a.active{
  color:var(--gold);
  font-weight:700;
  background:rgba(166,124,70,.08);
}
.header-tools{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.header-cta{display:inline-flex}
.drawer-cta{display:none}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:8px;
  background:var(--ink);
  color:var(--text-invert);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:background .2s var(--ease);
}
.nav-toggle span{
  width:18px;
  height:1.6px;
  background:currentColor;
  border-radius:2px;
  transition:transform .3s var(--ease),opacity .2s var(--ease);
}
.nav-toggle:hover{background:var(--gold);color:var(--ink)}
.nav-toggle.open span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

.site-header.scrolled .brand-logo{color:var(--text-invert)}
.site-header.scrolled .brand-text small{color:#AEA294}
.site-header.scrolled .main-nav ul a{color:#F5F0E8}
.site-header.scrolled .main-nav ul a:hover{background:rgba(255,255,255,.06);color:var(--gold-light)}
.site-header.scrolled .main-nav ul a.active{color:var(--gold-light);background:rgba(166,124,70,.22)}

/* ===== Page Hero ===== */
.page-hero{
  padding:clamp(66px,9vw,118px) 0 clamp(64px,8vw,110px);
  background:linear-gradient(140deg,var(--paper) 0%,var(--paper-deep) 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:clamp(34px,6vw,72px);
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--gold);
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  margin-bottom:20px;
}
.hero-eyebrow::before{
  content:"";
  width:28px;
  height:2px;
  background:var(--gold);
  display:block;
}
.hero-title{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(40px,5.6vw,66px);
  line-height:1.14;
  letter-spacing:-.02em;
  color:var(--ink);
}
.hero-title .title-sub{
  display:block;
  font-family:var(--font-serif);
  color:var(--gold);
  font-size:.68em;
  font-weight:600;
  margin-top:14px;
  letter-spacing:.01em;
}
.hero-lead{
  max-width:580px;
  margin-top:26px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-sub);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.hero-status{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin-top:34px;
  padding-top:20px;
  border-top:1px solid rgba(216,204,187,.78);
  color:var(--text-sub);
  font-size:13px;
}
.hero-status li{display:inline-flex;align-items:center;gap:7px}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block}
.hero-figure{
  position:relative;
  min-height:420px;
  height:100%;
  max-height:520px;
  border-radius:20px;
  overflow:hidden;
  background:var(--ink);
  box-shadow:var(--shadow-lift);
}
.hero-figure img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.86;
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(27,25,22,.42),transparent 48%);
  pointer-events:none;
}
.hero-figure-badge{
  position:absolute;
  left:22px;
  bottom:22px;
  z-index:2;
  background:rgba(27,25,22,.82);
  backdrop-filter:blur(8px);
  border:1px solid rgba(212,185,143,.42);
  color:var(--text-invert);
  border-radius:10px;
  padding:14px 18px;
  min-width:196px;
}
.hero-figure-badge span{
  display:block;
  font-size:12px;
  color:var(--gold-light);
  margin-bottom:4px;
  letter-spacing:.04em;
}
.hero-figure-badge strong{
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:600;
  line-height:1.4;
}

/* ===== Overview intro ===== */
.overview-section{
  padding:clamp(70px,9vw,110px) 0;
  background:var(--paper);
}
.overview-top{
  display:grid;
  grid-template-columns:1fr 380px;
  gap:44px;
  align-items:end;
  margin-bottom:clamp(32px,5vw,52px);
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:700;
  color:var(--gold);
  letter-spacing:.14em;
  margin-bottom:14px;
}
.section-eyebrow::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--gold);
  display:inline-block;
}
.section-title{
  font-family:var(--font-serif);
  font-size:clamp(31px,4vw,43px);
  line-height:1.28;
  color:var(--ink);
  font-weight:700;
  letter-spacing:-.01em;
}
.overview-note{
  color:var(--text-sub);
  font-size:15px;
  line-height:1.9;
  border-left:3px solid var(--gold-light);
  padding-left:22px;
}
.overview-card{
  display:grid;
  grid-template-columns:1.04fr 1fr;
  overflow:hidden;
  background:#FCF9F3;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
}
.overview-media{
  position:relative;
  overflow:hidden;
  background:var(--paper-deep);
  min-height:300px;
}
.overview-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease);
}
.overview-card:hover .overview-media img{transform:scale(1.03)}
.overview-content{
  padding:clamp(30px,4vw,50px);
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.overview-content h3{
  font-family:var(--font-serif);
  font-size:26px;
  font-weight:700;
  line-height:1.45;
  color:var(--ink);
  margin-bottom:16px;
}
.overview-content p{
  color:var(--text-sub);
  font-size:15px;
  line-height:1.9;
}
.overview-feature-list{
  display:grid;
  gap:10px;
  margin-top:24px;
}
.overview-feature-list li{
  position:relative;
  padding-left:24px;
  font-size:14px;
  color:var(--text-main);
}
.overview-feature-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:10px;
  height:2px;
  background:var(--gold);
}

/* ===== Services ===== */
.services-section{
  padding:clamp(70px,9vw,110px) 0;
  background:var(--paper-deep);
  border-top:1px solid var(--line);
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:30px;
  margin-bottom:clamp(36px,5vw,56px);
}
.section-head-right{
  max-width:400px;
  color:var(--text-sub);
  font-size:15px;
  line-height:1.85;
}
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.service-card{
  position:relative;
  background:#FAF6EF;
  border:1px solid rgba(216,204,187,.85);
  border-radius:14px;
  padding:36px 28px 32px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.service-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lift);
  border-color:var(--gold-light);
  background:#FFFDFA;
}
.service-index{
  position:absolute;
  right:24px;
  top:24px;
  font-family:var(--font-serif);
  font-size:15px;
  font-weight:600;
  color:var(--gold);
}
.service-icon{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border:1.5px solid var(--gold);
  border-radius:9px;
  color:var(--gold);
  margin-bottom:26px;
}
.service-icon svg{width:22px;height:22px;display:block}
.service-card h3{
  font-family:var(--font-serif);
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:12px;
}
.service-card p{
  color:var(--text-sub);
  font-size:14.5px;
  line-height:1.82;
}
.service-caption{
  display:inline-flex;
  align-items:center;
  margin-top:20px;
  background:rgba(166,124,70,.09);
  color:var(--gold);
  font-size:12.5px;
  padding:6px 12px;
  border-radius:999px;
  font-weight:600;
}

/* ===== Process ===== */
.process-section{
  padding:clamp(70px,9vw,110px) 0;
  background:var(--paper);
}
.process-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.process-step{
  position:relative;
  background:#FBF8F2;
  border:1px solid var(--line);
  border-radius:14px;
  padding:34px 26px 30px;
  min-height:240px;
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.process-step:hover{
  border-color:var(--gold);
  transform:translateY(-4px);
}
.step-num{
  font-family:var(--font-serif);
  font-size:42px;
  line-height:1;
  font-weight:700;
  color:var(--gold);
  display:block;
  margin-bottom:22px;
}
.process-step h3{
  font-family:var(--font-serif);
  font-size:20px;
  margin-bottom:10px;
  color:var(--ink);
}
.process-step p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.85;
}
.process-footer-note{
  margin-top:28px;
  text-align:center;
  font-size:13.5px;
  color:var(--text-sub);
}

/* ===== Boundary / role dark section ===== */
.boundary-section{
  padding:clamp(72px,9vw,118px) 0;
  background:var(--ink);
  color:var(--text-invert);
  position:relative;
  overflow:hidden;
}
.boundary-section::before{
  content:"";
  position:absolute;
  right:0;
  top:0;
  width:520px;
  height:520px;
  background:radial-gradient(circle,rgba(166,124,70,.16),transparent 65%);
  pointer-events:none;
}
.boundary-grid{
  display:grid;
  grid-template-columns:1fr 1.35fr;
  gap:clamp(40px,6vw,84px);
  align-items:center;
}
.boundary-copy h2{
  font-family:var(--font-serif);
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.32;
  color:#FFF;
  font-weight:700;
  margin-bottom:24px;
}
.boundary-copy p{
  color:rgba(245,241,234,.72);
  font-size:15px;
  line-height:1.95;
  margin-bottom:30px;
}
.section-eyebrow-light{
  color:var(--gold-light);
}
.boundary-roles{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.role-card{
  background:var(--ink-soft);
  border:1px solid var(--line-dark);
  border-radius:14px;
  padding:28px 22px;
  transition:background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.role-card:hover{
  background:#2B2723;
  border-color:rgba(212,185,143,.45);
  transform:translateY(-3px);
}
.role-label{
  display:inline-block;
  color:var(--gold-light);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  border:1px solid rgba(212,185,143,.32);
  padding:4px 11px;
  border-radius:999px;
  margin-bottom:20px;
}
.role-card h3{
  font-family:var(--font-serif);
  font-size:21px;
  font-weight:700;
  color:#F7F2E9;
  margin-bottom:10px;
}
.role-card p{
  color:rgba(245,241,234,.68);
  font-size:13.5px;
  line-height:1.82;
}

/* ===== FAQ ===== */
.faq-section{
  padding:clamp(72px,9vw,116px) 0;
  background:#FBF8F2;
}
.faq-head{
  text-align:center;
  max-width:720px;
  margin:0 auto clamp(44px,6vw,64px);
}
.faq-head .section-eyebrow{
  justify-content:center;
}
.faq-head .section-eyebrow::before{display:none}
.faq-head .section-eyebrow::after{
  content:"";
  width:26px;
  height:2px;
  background:var(--gold);
}
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  align-items:start;
}
.faq-item{
  background:#FFFDF8;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.faq-summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 24px;
  cursor:pointer;
  transition:background .2s var(--ease);
  list-style:none;
}
.faq-summary::-webkit-details-marker{display:none}
.faq-summary:hover{
  background:rgba(166,124,70,.05);
}
.faq-question{
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  color:var(--text-main);
  line-height:1.6;
}
.faq-toggle{
  flex-shrink:0;
  width:24px;
  height:24px;
  border:1px solid rgba(166,124,70,.6);
  border-radius:50%;
  position:relative;
  transition:transform .3s var(--ease),background .2s var(--ease);
}
.faq-toggle::before,
.faq-toggle::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  width:10px;
  height:1.4px;
  background:var(--gold);
  translate:-50% -50%;
}
.faq-toggle::after{transform:translate(-50%,-50%) rotate(90deg)}
details[open] .faq-toggle{
  transform:rotate(45deg);
  background:rgba(166,124,70,.12);
}
.faq-answer{
  padding:0 24px 24px;
  color:var(--text-sub);
  font-size:14.5px;
  line-height:1.9;
}
.faq-answer p{
  border-top:1px solid rgba(216,204,187,.6);
  padding-top:16px;
}

/* ===== CTA band ===== */
.cta-band{
  padding:clamp(64px,8vw,96px) 0;
  background:var(--paper);
  border-top:1px solid var(--line);
  text-align:center;
}
.cta-band .section-eyebrow{justify-content:center}
.cta-band h2{
  font-family:var(--font-serif);
  font-size:clamp(28px,3.8vw,40px);
  color:var(--ink);
  font-weight:700;
  margin-bottom:14px;
  line-height:1.3;
}
.cta-band p{
  color:var(--text-sub);
  max-width:590px;
  margin:0 auto 30px;
  font-size:15px;
  line-height:1.9;
}
.cta-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
}
.cta-mute{
  font-size:13px;
  color:var(--text-sub);
  margin-left:6px;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--ink);
  color:rgba(245,241,234,.72);
  padding-top:64px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.8fr repeat(3,1fr);
  gap:46px;
  padding-bottom:50px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand h3{
  font-family:var(--font-serif);
  font-size:21px;
  color:#F3EDE4;
  font-weight:700;
  margin-bottom:14px;
}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(245,241,234,.64);
  max-width:300px;
}
.footer-col h4{
  font-size:15px;
  color:#F0E9DE;
  margin-bottom:18px;
  font-weight:700;
}
.footer-col li{margin-bottom:11px}
.footer-col a{
  font-size:14px;
  color:rgba(245,241,234,.67);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--gold-light)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  font-size:13px;
  color:rgba(245,241,234,.48);
}
.footer-domain{
  color:rgba(212,185,143,.8);
  letter-spacing:.04em;
}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .boundary-grid{grid-template-columns:1fr}
  .boundary-copy{max-width:760px}
  .footer-main{grid-template-columns:1.5fr 1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:920px){
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;
    inset:0 0 0 auto;
    width:min(86vw,400px);
    height:100vh;
    height:100dvh;
    margin-left:0;
    flex-direction:column;
    justify-content:flex-start;
    align-items:stretch;
    gap:0;
    padding:100px 34px 40px;
    background:var(--ink);
    transform:translateX(102%);
    visibility:hidden;
    transition:transform .45s var(--ease),visibility 0s .45s;
    box-shadow:-12px 0 40px rgba(27,25,22,.18);
  }
  .main-nav.open{
    transform:translateX(0);
    visibility:visible;
    transition:transform .45s var(--ease),visibility 0s;
  }
  .main-nav ul{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .main-nav ul a{
    color:#F1EBE2;
    font-size:18px;
    padding:15px 4px;
    border-bottom:1px solid rgba(255,255,255,.07);
    border-radius:0;
  }
  .main-nav ul a:hover,.site-header.scrolled .main-nav ul a:hover{
    background:transparent;
    color:var(--gold-light);
  }
  .main-nav ul a.active,.site-header.scrolled .main-nav ul a.active{
    background:transparent;
    color:var(--gold-light);
    font-weight:700;
  }
  .drawer-cta{
    display:inline-flex;
    margin-top:30px;
    justify-content:center;
  }
  .page-hero-grid{grid-template-columns:1fr;gap:50px}
  .hero-figure{min-height:340px;max-height:420px}
  .overview-card{grid-template-columns:1fr}
  .overview-media{min-height:240px}
  .faq-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .container{width:min(100% - 36px,1240px)}
  .overview-top,
  .section-head{grid-template-columns:1fr;display:block}
  .section-head-right{margin-top:16px}
  .service-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr}
  .boundary-roles{grid-template-columns:1fr}
  .footer-main{
    grid-template-columns:1fr 1fr;
    gap:36px 22px;
    padding-bottom:36px;
  }
  .footer-brand{grid-column:1/-1}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:520px){
  .brand-text strong{font-size:16px}
  .brand-text small{font-size:9px;letter-spacing:.06em}
  .brand-mark{width:34px;height:34px}
  .hero-actions .btn{width:100%}
  .hero-figure{min-height:280px}
  .overview-content{padding:26px 22px}
  .service-card{padding:30px 22px}
  .process-step{min-height:auto;padding:28px 22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001s!important;
    transition-duration:.001s!important;
    scroll-behavior:auto!important;
  }
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root {
  --paper: #F6F2EA;
  --paper-deep: #EDE6D8;
  --paper-card: #FFFCF6;
  --ink: #1B1916;
  --ink-soft: #24211E;
  --ink-mute: #2B2723;
  --text-main: #241F19;
  --text-sub: #6E6358;
  --text-invert: #F5F1EA;
  --text-invert-sub: rgba(245, 241, 234, 0.68);
  --gold: #A67C46;
  --gold-light: #D4B98F;
  --line: #D8CCBB;
  --line-dark: #3D3832;
  --error: #A13D2D;
  --success: #3F6B52;
  --shadow-float: 0 12px 30px rgba(33, 29, 20, 0.08);
  --radius-card: 8px;
  --radius-block: 16px;
  --radius-pill: 999px;
  --ease: cubic-bezier(.2, .6, .2, 1);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", "Songti SC", SimSun, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: 1240px;
  --header-h: 76px;
  --header-h-scroll: 60px;
}

/* ============ Reset / Base ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 2;
}
::selection { background: rgba(166, 124, 70, 0.25); }

/* ============ 基础按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  transition: all .35s var(--ease);
  background: var(--gold);
  color: #fff;
  white-space: nowrap;
}
.btn:hover { background: var(--ink); color: var(--gold-light); border-color: var(--ink); transform: translateY(-2px); box-shadow: var(--shadow-float); }
.btn:active { transform: translateY(0) scale(.98); box-shadow: none; }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; background: var(--ink); color: var(--gold-light); }
.btn-outline { background: transparent; border: 1px solid var(--gold); color: var(--gold); }
.btn-outline:hover { background: var(--ink); color: var(--gold-light); border-color: var(--ink); }
.btn-outline-light { background: transparent; border: 1px solid rgba(245, 241, 234, .4); color: var(--text-invert); }
.btn-outline-light:hover { background: var(--gold); border-color: var(--gold); color: #fff; }
.btn-dark { background: var(--ink); color: var(--text-invert); }
.btn-dark:hover { background: var(--gold); color: #fff; border-color: var(--gold); }
.btn-sm { min-height: 38px; padding: 0 16px; font-size: 13.5px; }

/* ============ SITE HEADER ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  z-index: 900;
  background: linear-gradient(180deg, rgba(246,242,234,0.96) 0%, rgba(246,242,234,0.72) 100%);
  border-bottom: 1px solid rgba(166, 124, 70, 0.22);
  transition: height .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
body.nav-scrolled .site-header {
  height: var(--header-h-scroll);
  background: rgba(27, 25, 22, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 185, 143, 0.14);
  box-shadow: 0 8px 30px rgba(27, 25, 22, 0.18);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 62.5%;
  gap: 28px;
}
@media (max-width: 1280px) {
  .header-inner { width: 100%; }
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.brand-mark {
  width: 36px;
  height: 36px;
  background: var(--ink);
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 11px;
  transition: background .3s var(--ease);
}
.brand-mark svg { width: 20px; height: 20px; fill: none; stroke: var(--gold-light); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
  white-space: nowrap;
}
.brand-text small { font-size: 9.5px; color: var(--text-sub); letter-spacing: 0.12em; font-weight: 400; }
body.nav-scrolled .brand-text strong { color: var(--text-invert); }
body.nav-scrolled .brand-text small { color: rgba(245,241,234,.55); }
body.nav-scrolled .brand-mark { background: var(--gold); }
.main-nav { display: flex; align-items: center; }
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav ul li a {
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  color: var(--text-main);
  padding: 10px 13px;
  border-radius: 5px;
  font-weight: 400;
  letter-spacing: 0.02em;
  position: relative;
  transition: color .3s var(--ease), background .3s var(--ease);
}
.main-nav ul li a::after {
  content: '';
  position: absolute;
  left: 13px; right: 13px; bottom: 4px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.main-nav ul li a:hover { color: var(--gold); }
.main-nav ul li a:hover::after { transform: scaleX(1); }
.main-nav ul li a.active { color: var(--gold); font-weight: 600; }
.main-nav ul li a.active::after { transform: scaleX(1); }
body.nav-scrolled .main-nav ul li a { color: var(--text-invert-sub); }
body.nav-scrolled .main-nav ul li a.active { color: var(--gold-light); }
body.nav-scrolled .main-nav ul li a.active::after { background: var(--gold-light); }
body.nav-scrolled .main-nav ul li a:hover { color: var(--gold-light); }
.header-tools { display: flex; align-items: center; gap: 16px; }
.header-cta { min-height: 40px; padding: 0 18px; font-size: 14px; box-shadow: 0 2px 10px rgba(166,124,70,.24); }
body.nav-scrolled .header-cta { background: var(--gold-light); color: var(--ink); border-color: var(--gold-light); }
body.nav-scrolled .header-cta:hover { background: var(--ink); color: var(--gold-light); }
.nav-toggle { display: none; background: transparent; border: 1px solid var(--line); border-radius: 8px; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 4px; transition: all .3s var(--ease); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .35s var(--ease); }
.nav-toggle:hover { border-color: var(--gold); }
body.nav-scrolled .nav-toggle span { background: var(--text-invert); }
.site-header.nav-open { background: var(--ink); height: 100vh; height: 100dvh; align-items: flex-start; overflow-y: auto; }
.site-header.nav-open .header-inner { flex-direction: column; align-items: flex-start; padding-top: 60px; }
.site-header.nav-open .nav-toggle { position: absolute; top: 18px; right: 24px; border-color: var(--line-dark); }
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); background: var(--text-invert); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); background: var(--text-invert); }
.site-header.nav-open .main-nav { display: flex; width: 100%; }
.site-header.nav-open .main-nav ul, .site-header.nav-open .main-nav ul li, .site-header.nav-open .main-nav ul li a { width: 100%; }
.site-header.nav-open .main-nav ul { flex-direction: column; align-items: flex-start; }
.site-header.nav-open .main-nav ul li { width: 100%; }
.site-header.nav-open .main-nav ul li a { color: var(--text-invert); padding: 15px 0; font-size: 25px; font-family: var(--font-serif); border-bottom: 1px solid rgba(61,56,50,.6); border-radius: 0; }
.site-header.nav-open .main-nav ul li a.active { color: var(--gold-light); }
.site-header.nav-open .header-tools { flex-direction: row-reverse; width: 100%; justify-content: space-between; align-items: flex-start; }
.drawer-cta { display: none; }
.site-header.nav-open .drawer-cta { display: inline-flex; background: var(--gold); border-color: var(--gold); }
.site-header.nav-open .brand-text strong { color: var(--text-invert); }
.site-header.nav-open .brand-text small { color: var(--text-invert-sub); color: rgba(245,241,234,.6); }
.site-header.nav-open .brand-mark { background: var(--gold); }
.header-cta { display: inline-flex; }
.drawer-cta { display: none; }
.main-nav ul li a.nav-links { color: inherit; }

/* ============ 布局组件 / 分类页 hero ============ */
.page-main { padding-top: var(--header-h); background: var(--paper); }
.category-hero {
  background: var(--ink);
  color: var(--text-invert);
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute;
  right: 6%;
  top: -40%;
  width: 340px;
  height: 500px;
  background: radial-gradient(circle at center, rgba(166,124,70,0.25) 0%, rgba(27,25,22,0) 65%);
  border-radius: 50%;
  pointer-events: none;
}
.category-hero-body { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 50px; align-items: center; position: relative; z-index: 2; }
.category-hero-content .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--gold-light);
  letter-spacing: 0.08em;
  font-weight: 500;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--gold); display: inline-block; }
.category-hero-content h1 { font-family: var(--font-serif); font-weight: 700; font-size: clamp(38px, 5.4vw, 65px); line-height: 1.14; margin-bottom: 22px; }
.category-hero-content p { font-size: 16px; line-height: 1.9; color: rgba(245, 241, 234, 0.82); max-width: 680px; margin-bottom: 10px; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 28px; }
.hero-meta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; align-items: center; }
.hero-status { display: inline-flex; align-items: center; font-size: 13px; color: rgba(245,241,234,.5); margin-top: 16px; }
.hero-status .pulse { width: 8px; height: 8px; border-radius: 50%; background: #4C8F70; margin-right: 8px; box-shadow: 0 0 0 0 rgba(76,143,112,.5); animation: pulse 2.2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(76, 143, 112, 0.4); }
  55% { box-shadow: 0 0 0 7px rgba(76, 143, 112, 0); }
  100% { box-shadow: 0 0 0 0 rgba(76, 143, 112, 0); }
}
.category-hero-visual { border-radius: 14px; overflow: hidden; position: relative; }
.category-hero-visual img { width: 100%; height: 300px; object-fit: cover; }
.hero-visual-mask { position: absolute; left: 0; right: 0; bottom: 0; top: 0; background: linear-gradient(180deg, rgba(27,25,22,0) 38%, rgba(27,25,22,0.75) 100%); pointer-events: none; }
.hero-visual-text { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px; z-index: 2; color: var(--text-invert); }
.hero-visual-text span { display: inline-block; background: rgba(166,124,70,.88); border-radius: 3px; padding: 4px 10px; font-size: 12px; margin-bottom: 14px; color: #fff; }
.hero-visual-text h2 { font-family: var(--font-serif); font-size: 23px; line-height: 1.4; font-weight: 600; }

/* 面包屑 */
.category-breadcrumb { padding: 20px 0 0; background: var(--paper); font-size: 13px; }
.breadcrumb-inner { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; color: var(--text-sub); }
.breadcrumb-inner a { color: var(--text-sub); }
.breadcrumb-inner a:hover { color: var(--gold); }
.breadcrumb-inner i { font-style: normal; color: var(--line); margin: 0 4px; }

/* hero decorative */
.ie-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.ie-m { background: rgba(255,255,255,.04); border: 1px solid rgba(212,185,143,.16); border-radius: 9px; padding: 14px; }
.ie-m b { display: block; font-family: var(--font-serif); font-size: 23px; color: var(--gold-light); font-weight: 600; }
.ie-m span { font-size: 12px; color: var(--text-invert-sub); }
.metric-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }

/* ============ 统一 Section ============ */
.section { padding-top: clamp(64px, 8vw, 100px); padding-bottom: clamp(64px, 8vw, 100px); background: var(--paper); }
.section-deep { background: var(--paper-deep); }
.section-white { background: #FFFCF6; }
.section-dark { background: var(--ink); color: var(--text-invert); }
.section-sm { padding-top: 52px; padding-bottom: 52px; }
.section-head { display: flex; align-items: flex-end; gap: 27px; margin-bottom: 44px; position: relative; z-index: 2; }
.section-head .eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--gold); letter-spacing: .17em; text-transform: uppercase; margin-bottom: 8px; font-weight: 600; }
.section-head h2 { font-family: var(--font-serif); font-size: clamp(30px, 3.6vw, 45px); line-height: 1.19; font-weight: 600; color: inherit; margin-bottom: 16px; margin-top: 8px; letter-spacing: -0.02em; }
.section-head p { line-height: 1.85; margin-left: 30px; max-width: 450px; }
@media (min-width: 501px) {
  .section-head.layout-space { justify-content: space-between; }
}
.section-head.h-center { display: block; text-align: center; }
.section-head.h-center h2 { font-size: clamp(28px, 4vw, 47px); margin-bottom: 10px; }
.section-head.h-center p { margin: 12px auto 0; max-width: 620px; text-align: left; display: block; }

/* ============ 分类块 ============ */
.cat-entry-label { display: inline-block; font-family: var(--font-sans); font-size: 12px; font-weight: 600; letter-spacing: .13em; color: var(--gold); }
.section-negative .cat-entry-label { color: var(--gold-light); }

/* ============ 卡片设计 ============ */
.context-card {
  background: var(--paper-card);
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  padding: 42px 40px;
  box-shadow: 0 1px 2px rgba(27,25,22,.025);
  position: relative;
  transition: box-shadow .5s var(--ease), border-color .3s var(--ease);
}
.context-card:hover { border-color: var(--gold-light); box-shadow: var(--shadow-float); }
.context-card h3 { font-family: var(--font-serif); font-size: 25px; font-weight: 600; line-height: 1.35; margin-bottom: 12px; }
.context-card h3 .inline-svg { display: inline-block; vertical-align: middle; margin-right: 5px; }
.context-card p { line-height: 1.82; color: var(--text-sub); }
.link-arrow { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--gold); font-weight: 600; border-bottom: 1px solid transparent; padding-bottom: 0; transition: .3s var(--ease); }
.link-arrow:hover { border-bottom: 1px solid var(--gold); letter-spacing: .15em; gap: 12px; }
.link-arrow i { font-style: normal; }
.icon-inline { display: inline-flex; width: 18px; height: 18px; vertical-align: middle; margin-top: -2px; margin-right: 5px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* ============ 服务接入指引 ============ */
.service-ring { display: flex; gap: 24px; align-items: center; margin-top: 40px; }
.service-ring .sr-line { flex: 1; height: 1px; background: var(--line); position: relative; }
.service-ring .sr-line::before { content: ''; width: 4px; height: 4px; position: absolute; right: 0; top: -1.5px; background: var(--gold); border-radius: 50%; }
.access-feature-list { display: flex; flex-direction: column; }
.access-feature-list li { padding: 18px 0; border-bottom: 1px solid var(--line); display: flex; gap: 16px; position: relative; }
.access-feature-list li:last-child { border-bottom: none; }
.af-num { font-family: var(--font-serif); font-size: 14px; color: var(--gold); font-weight: 600; width: 32px; flex-shrink: 0; padding-top: 5px; }
.af-main h3 { font-size: 18px; font-family: var(--font-serif); margin-bottom: 2px; }
.af-main p { font-size: 15px; color: var(--text-sub); }
.af-link { margin-top: 5px; display: inline-flex; align-items: center; font-size: 13px; color: var(--gold); gap: 5px; }
.af-link:hover { gap: 10px; }
.af-link i { font-style: normal; }

/* ============ 服务矩阵 category ============ */
.svc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.svc-card-2 { position: relative; display: flex; flex-direction: column; background: var(--paper-card); border: 1px solid var(--line); border-radius: 12px; padding: 31px; min-height: 135px; transition: transform .4s var(--ease); }
.svc-card-2:hover { transform: translateY(-3px); }
.svc-icon { width: 50px; height: 50px; border: 1.5px solid var(--gold); border-radius: 13px; display: grid; align-items: center; justify-content: center; background: rgba(166,124,70,.09); }
.svc-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--gold); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.svc-card-2 h3 { font-size: 18px; font-weight: 600; margin: 14px 0 6px; font-family: var(--font-serif); }
.svc-card-2 p { color: var(--text-sub); font-size: 14.5px; line-height: 1.6; flex: 1; }
.text-link { display: inline-flex; margin-top: 14px; font-size: 13px; }
.svc-card-band { margin-top: 14px; font-size: 12.5px; color: var(--gold); font-weight: 600; display: flex; gap: 8px; align-items: center; }
.svc-card-band i { font-style: normal; }

/* ============ 时间线效果 / 逻辑与视觉有区分 ============ */
.two-col-logic { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 30px; }
.vertical-map { position: relative; }
.vertical-map::before { content: ''; position: absolute; left: 5px; top: 8px; bottom: 12px; width: 1px; background: var(--line); }
.vertical-map li { padding-left: 34px; margin-bottom: 24px; position: relative; }
.vertical-map li::before { content: ''; position: absolute; left: 0; top: 5px; width: 10px; height: 10px; background: var(--ink); border: 2px solid var(--paper); border-radius: 50%; z-index: 1; }
.vertical-map li::after { content: ''; position: absolute; left: 3px; top: 0; width: 4px; height: 4px; background: var(--line); border-radius: 50%; }
.vertical-map h3 { font-size: 17px; font-family: var(--font-serif); margin-bottom: 2px; }
.vertical-map p { color: var(--text-sub); font-size: 15px; }

/* ============ FAQ ============ */
.faq-wrap { max-width: 900px; }
.faq-panel { border-bottom: 1px solid var(--line); }
.faq-panel:last-child { border-bottom: none; }
.faq-panel summary { list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 18px; padding: 26px 0 14px; font-weight: 500; cursor: pointer; transition: .25s var(--ease); position: relative; }
.faq-panel summary::-webkit-details-marker { display: none; }
.faq-panel summary:hover { color: var(--gold); }
.faq-panel summary .plus { width: 24px; height: 24px; border: 1.5px solid var(--gold); position: relative; border-radius: 50%; display: block; flex-shrink: 0; transition: transform .45s var(--ease); }
.faq-panel summary .plus::before, .faq-panel summary .plus::after { content: ''; background: var(--gold); position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.faq-panel summary .plus::before { width: 10px; height: 1.5px; }
.faq-panel summary .plus::after { width: 1.5px; height: 10px; }
.faq-panel[open] summary .plus { transform: rotate(45deg); background: var(--gold); }
.faq-panel[open] summary .plus::before, .faq-panel[open] summary .plus::after { background: #fff; }
.faq-panel .faq-body { padding-bottom: 24px; font-size: 16px; color: var(--text-sub); line-height: 1.84; }

/* ============ CTA BAND ============ */
.a11y-skip { position: absolute; left: -999px; width: 1px; height: 1px; overflow: hidden; z-index: -1; width: 1px; }

.cta-band { background: var(--ink); border-radius: 18px; overflow: hidden; position: relative; padding: 45px 54px; color: var(--text-invert); display: flex; justify-content: space-between; align-items: center; }
.cta-band::before { content: ''; position: absolute; right: -70px; top: 50%; transform: translateY(-50%); width: 280px; height: 280px; background-image: radial-gradient(rgba(166,124,70,.28) 1px, transparent 1px); background-size: 18px 18px; border-radius: 50%; opacity: .5; }
.cta-band h2 { font-family: var(--font-serif); font-size: clamp(22px, 2.5vw, 32px); font-weight: 600; letter-spacing: 0; margin-bottom: 7px; }
.cta-band p { font-size: 15px; line-height: 1.8; color: var(--text-invert-sub); max-width: 620px; }
.cta-band a { font-size: 14px; margin-left: 18px; flex-shrink: 0; }

/* ============ content cards 组合加网格 ============ */
.rel-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.rel-card-art { border-radius: 8px; overflow: hidden; background: var(--paper-card); border: 1px solid var(--line); }
.rel-card-art .rel-img-wrap { display: block; width: 100%; aspect-ratio: 4/3; overflow: hidden; background: var(--paper-deep); }
.rel-card-art .rel-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.rel-card-art:hover .rel-img-wrap img { transform: scale(1.04); }
.rel-art-body { padding: 18px 20px 25px; }
.rel-art-body h3 { font-family: var(--font-serif); font-size: 19px; line-height: 1.4; font-weight: 600; margin-bottom: 8px; }
.rel-art-body p { font-size: 14.5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ============ footer ============ */
.site-footer { background: var(--ink); color: var(--text-invert); padding: 64px 0 0; margin-top: 60px; }
.site-footer .footer-main { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 50px; }
.footer-brand h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 600; margin-bottom: 15px; color: var(--gold-light); }
.footer-brand p { font-size: 14px; color: rgba(245,241,234,.55); line-height: 1.8; max-width: 280px; }
.footer-col h4 { font-size: 14px; color: var(--gold-light); margin-bottom: 18px; font-weight: 600; }
.footer-col ul li a { font-size: 14px; line-height: 1.5; padding: 7px 0; display: inline-block; transition: color .3s var(--ease); color: rgba(245,241,234,.56); }
.footer-col ul li a:hover { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid rgba(61,56,50,.8); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: rgba(245,241,234,.32); flex-wrap: wrap; gap: 6px; }
.footer-domain { opacity: .75; }

/* ============ responsive ============ */
@media (max-width: 1024px) {
  .category-hero-body { grid-template-columns: 1fr; gap: 35px; }
  .category-hero-visual img { height: 180px; }
  .svc-grid-2 { grid-template-columns: 1fr 1fr; gap: 18px; }
  .site-footer .footer-main { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; padding: 38px 25px; align-items: flex-start; gap: 25px; }
  .cta-band a { margin-left: 0; }
  .header-inner { width: 100%; }
  .header-tools { gap: 12px; gap: 12px; }
  .main-nav ul { display: none; }
  .header-inner { justify-content: space-between; }
  .main-nav { display: flex; width: auto; }
  .main-nav ul { display: flex; }
  .header-tools { display: flex; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav { display: none; }
  .site-header.nav-open .main-nav { display: flex; }
  .main-nav ul { display: flex; }
}
@media (max-width: 768px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .section-head { display: block; }
  .section-head p { margin-left: 0; margin-top: 0px; }
  .svc-grid-2 { grid-template-columns: 1fr; }
  .two-col-logic { grid-template-columns: 1fr; gap: 12px; }
  .rel-cards { grid-template-columns: 1fr 1fr; }
  .category-hero-body { display: block; }
  .category-hero-visual { margin-top: 25px; }
  .site-footer .footer-main { grid-template-columns: 1fr; gap: 20px; }
  .site-footer { margin-top: 0;}
  .category-hero h1 { font-size: 33px; }
  .brand-text small { display: none; }
  .brand-mark { width: 31px; height: 31px; margin-right: 8px; }
  .brand-text strong { font-size: 16px; letter-spacing: .02em }
  .context-card { padding: 20px; }
  .cta-band a { width: 100%; }
  .hero-actions .btn { flex: 1 1 100%; margin-bottom: 10px; }
  .hero-actions { display: block; }
  .hero-visual-text h2 { font-size: 19px; }
  .footer-bottom { display: block; text-align: center; }
}
@media (max-width: 520px) {
  .rel-cards { grid-template-columns: 1fr 1fr; }
  .brand-text strong { font-size: 14.5px; letter-spacing: 0 }
  .brand-text small { font-size: 8px; letter-spacing: .05em; }
  .brand-mark { width: 28px; height: 28px; }
  .section-head h2 { font-size: 29px; }
  .category-hero { padding-top: 40px; }
}

@media (max-width: 420px) {
  .metric-2col{grid-template-columns:1fr}
  .rel-cards{grid-template-columns:1fr}
  .brand-logo{flex-shrink:0;}
  .link-arrow.gold-text { border-bottom: 0; }
}
.brand-text strong { transition: color .3s var(--ease), font-size .3s var(--ease); }
body.nav-scrolled .brand-text strong { color: var(--text-invert); }
.sharify { display: inline-flex; align-items: center; gap: 10px; margin-left: 8px; }

/* 小型文字辅助 */
.t-small { font-size: 13px; color: var(--text-sub); }
.gap-10 { gap: 10px; }

/* 确保分类 nav 在 1200 以内保持紧凑 */
.logo-copy { line-height: normal; }

/* 表格样式 */
.plain-dl { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin: 15px 0 5px; }
.plain-dl > div { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 20px 26px; background: var(--paper-card); }
.plain-dl h3 { font-family: var(--font-serif); font-size: 18px; margin-bottom: 7px; position: relative; }
.plain-dl p { font-size: 14.5px; color: var(--text-sub); }

/* 表单不上样式：CTA Band */
.ie-why { display: flex; align-items: flex-start; gap: 8px; margin-top: 12px; color: rgba(245,241,234,.65); font-size: 14px; }

/* 需求范围 */
.security-pill { display: inline-block; border: 1px solid var(--gold); border-radius: 999px; padding: 4px 14px; font-size: 12px; background-color: transparent; color: var(--gold); }
.security-pill:hover{border-color: var(--gold); opacity: .8;}
.blue-dot { width:7px; height:7px; border-radius:50%; background-color:#4C8F70; display:inline-block; margin-right:5px;}
.pulse { box-shadow: 0 0 0 0 rgba(76,143,112,.5); animation: pulse 2.2s infinite; }

/* 对深色区块的文本辅助 */
.muted-line { color: rgba(245,241,234,.38); font-size:14.5px; }
.text-subtle-dark { color: var(--text-invert-sub); }

/* 区块边距 */
.between-section { margin: 28px 0; }

@media (max-width: 700px) and (min-width:520px) {
  .plain-dl { grid-template-columns: 1fr; }
}