:root{
  --gold:#D9A21B;
  --gold-soft:#F1C96A;
  --ink:#2B261D;
  --paper:#FFFDF7;
  --sand:#F7F1E3;
  --text:#302D28;
  --muted:#756F64;
  --accent:#E9673F;
  --line:#E8DECB;
  --white:#FFFFFF;
  --shadow:0 18px 50px rgba(43,38,29,.08);
  --radius-lg:30px;
  --radius-md:18px;
  --radius-sm:12px;
  --shell:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-color:rgba(217,162,27,.48);text-underline-offset:.2em}
a:hover{text-decoration-color:var(--accent)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
code{padding:.1em .35em;background:var(--sand);border-radius:6px;font-family:Consolas,"Courier New",monospace;font-size:.92em}
.shell{width:min(calc(100% - 48px),var(--shell));margin-inline:auto}
.shell.narrow,.narrow{max-width:820px}
.site-main{overflow:hidden}
.skip-link{position:fixed;left:18px;top:18px;z-index:1000;transform:translateY(-180%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px}
.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,253,247,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(232,222,203,.82)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:max-content}
.brand img{width:46px;height:46px;object-fit:contain;border-radius:13px;background:var(--sand)}
.brand span{display:grid;line-height:1.25}
.brand strong{font-size:1.05rem;color:var(--ink)}
.brand small{font-size:.72rem;color:var(--muted);margin-top:4px}
.primary-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.primary-nav a{padding:10px 12px;border-radius:999px;text-decoration:none;color:#4d483f;font-size:.93rem;white-space:nowrap}
.primary-nav a:hover,.primary-nav a.is-current{background:var(--sand);color:var(--ink)}
.search-trigger,.nav-toggle{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:9px 14px}
.search-trigger:hover,.nav-toggle:hover{border-color:var(--gold);background:#fff9e9}
.nav-toggle{display:none}
.search-modal[hidden]{display:none !important}
.search-modal{position:fixed;inset:0;z-index:200;display:grid;place-items:start center;padding-top:min(15vh,150px)}
.search-backdrop{position:absolute;inset:0;background:rgba(25,22,18,.62);backdrop-filter:blur(5px)}
.search-panel{position:relative;width:min(calc(100% - 32px),720px);background:var(--paper);border-radius:var(--radius-lg);padding:40px;box-shadow:0 35px 120px rgba(0,0,0,.28)}
.search-panel h2{font-size:clamp(1.7rem,4vw,2.6rem);margin:.2em 0 .8em;line-height:1.22}
.modal-close{position:absolute;right:20px;top:18px;width:40px;height:40px;border:0;border-radius:50%;background:var(--sand);font-size:1.65rem;line-height:1}
.search-form label{display:block;font-weight:700;color:var(--ink);margin-bottom:8px}
.search-line{display:grid;grid-template-columns:1fr auto;gap:10px}
.search-line input{min-width:0;padding:13px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);outline:none}
.search-line input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(217,162,27,.15)}
.search-line button{border:0;border-radius:12px;background:var(--ink);color:#fff;padding:12px 20px;font-weight:700}
.form-note{font-size:.86rem;color:var(--muted);margin:.7em 0 0}
.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;font-size:.76rem;color:#a77700}
h1,h2,h3{color:var(--ink);line-height:1.22;text-wrap:balance}
h1{font-size:clamp(2.25rem,5.3vw,4.9rem);letter-spacing:-.045em;margin:.15em 0 .35em}
h2{font-size:clamp(1.55rem,3.2vw,2.65rem);letter-spacing:-.025em;margin:.2em 0 .45em}
h3{font-size:1.08rem;margin:.2em 0 .45em}
p{margin:.55em 0 1.05em}
.lead{font-size:clamp(1.03rem,1.8vw,1.23rem);color:#5d574d;max-width:760px}
.lead-small{font-size:1.04rem;color:#575146;font-weight:600}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:10px 18px;border-radius:12px;text-decoration:none;font-weight:800;border:1px solid transparent;transition:.2s ease}
.button:hover{transform:translateY(-1px)}
.button.primary{background:var(--accent);color:#fff}
.button.secondary{background:var(--gold);color:#211c13}
.button.light{background:#fff6df;color:var(--ink);border-color:rgba(255,255,255,.25)}
.button.ghost{border-color:var(--line);background:transparent;color:var(--ink)}
.button.ghost-dark{border-color:#6d6253;color:var(--ink);background:rgba(255,255,255,.35)}
.text-link{font-weight:700;color:#8f6400}
.text-link.strong{font-weight:900}
.arrow-link{font-size:1.4rem;text-decoration:none}
.action-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.section-heading{margin-bottom:28px;max-width:800px}
.section-heading.compact{margin-bottom:16px}
.section-heading.centered{text-align:center;margin-inline:auto}
.section-heading.split-title{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);max-width:none;gap:52px;align-items:end}
.section-heading.split-title>p{margin:0 0 8px;color:var(--muted)}
.wide-section{margin:90px 0;padding:80px 0;background:var(--sand)}
.wide-section.soft{background:#faf5e9}
.two-col{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:80px;align-items:start}
.meta-line{display:flex;gap:10px;flex-wrap:wrap;color:#887e70;font-size:.79rem;font-weight:700;margin-bottom:6px}
.meta-line span+span:before{content:"·";margin-right:10px;color:#c2b49d}
.tag-links{display:flex;gap:8px;flex-wrap:wrap}
.tag-links a,.tag-links span{display:inline-flex;padding:6px 10px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:.84rem;background:rgba(255,255,255,.56)}
.breadcrumbs{font-size:.84rem;color:var(--muted);padding:22px 0 0}
.breadcrumbs ol{display:flex;gap:8px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px;color:#baae9a}
.breadcrumbs a{text-decoration:none}
.home-intro{padding:72px 0 38px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:64px;align-items:center}
.home-intro h1{max-width:760px}
.intro-visual{margin:0;position:relative}
.intro-visual img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:46px 46px 12px 46px;background:var(--sand)}
.intro-visual figcaption{font-size:.78rem;color:var(--muted);padding:10px 8px 0;text-align:right}
.intro-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0 0}
.intro-facts div{padding:14px 15px;border-left:2px solid var(--gold);background:rgba(247,241,227,.65)}
.intro-facts dt{font-size:.75rem;color:var(--muted)}
.intro-facts dd{margin:2px 0 0;font-weight:800;color:var(--ink);font-size:.9rem}
.entry-rail{padding:36px 0 76px}
.entry-lines{border-top:1px solid var(--line)}
.entry-lines a{display:grid;grid-template-columns:180px 1fr auto;gap:24px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line);text-decoration:none}
.entry-lines a:after{content:"↗";font-size:1.1rem}
.entry-lines strong{font-size:1.08rem}
.entry-lines span{color:var(--muted)}
.watch-focus{background:var(--ink);color:#eee7da}
.watch-focus .watch-layout{display:grid;grid-template-columns:350px 1fr;gap:70px}
.watch-heading{position:sticky;top:120px;align-self:start}
.watch-heading h2,.watch-focus h3,.section-heading.on-dark h2{color:#fff9ec}
.watch-heading p{color:#c9c0b1}
.dense-list{border-top:1px solid #4a4338}
.dense-item{display:grid;grid-template-columns:1fr auto;gap:18px;padding:22px 0;border-bottom:1px solid #4a4338}
.dense-item h3{font-size:1.15rem;margin:.2em 0}
.dense-item h3 a{color:#fff9ec;text-decoration:none}
.dense-item p:not(.meta-line){color:#c9c0b1;margin:.4em 0 0;font-size:.93rem}
.dense-item .arrow-link{color:var(--gold-soft);align-self:center}
.category-index{padding:30px 0 96px}
.category-columns{display:grid;grid-template-columns:1fr 1fr;column-gap:58px;border-top:1px solid var(--line)}
.category-line{display:grid;grid-template-columns:40px 1fr 24px;gap:14px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);text-decoration:none}
.category-line:hover strong{color:#a36e00}
.category-number{font-size:.76rem;color:#b0a38f}
.category-copy{display:grid}
.category-copy strong{font-size:1.08rem}
.category-copy small{color:var(--muted);margin-top:4px}
.editorial-split{display:grid;grid-template-columns:minmax(300px,.8fr) minmax(0,1.2fr);gap:72px;align-items:center;padding:24px 0 90px}
.editorial-split figure{margin:0}
.editorial-split img{width:100%;aspect-ratio:1.05/1;object-fit:cover;border-radius:16px 48px 16px 16px}
.check-list{padding:0;margin:20px 0;list-style:none}
.check-list li{position:relative;padding:8px 0 8px 28px;border-bottom:1px solid var(--line)}
.check-list li:before{content:"✓";position:absolute;left:0;color:#a47500;font-weight:900}
.updates-band{margin:0;padding:86px 0;background:#3a3329;color:#dcd3c6}
.section-heading.on-dark p{color:#c4b9a7}
.timeline-list{list-style:none;margin:30px 0;padding:0;border-top:1px solid #5a5146}
.timeline-list li{display:grid;grid-template-columns:130px 1fr;gap:28px;padding:19px 0;border-bottom:1px solid #5a5146}
.timeline-list time{color:var(--gold-soft);font-weight:800;font-size:.86rem}
.timeline-list a{color:#fff9ef;text-decoration:none}
.timeline-list p{margin:.25em 0;color:#c7beaf}
.topic-strip{padding:90px 0;display:grid;grid-template-columns:minmax(300px,.8fr) minmax(0,1.2fr);gap:65px;align-items:center}
.topic-visual img{width:100%;aspect-ratio:1.2/1;object-fit:cover;border-radius:28px 12px 28px 12px}
.topic-links{border-top:1px solid var(--line);margin-top:24px}
.topic-links a{display:grid;gap:4px;padding:17px 0;border-bottom:1px solid var(--line);text-decoration:none}
.topic-links span{color:var(--muted);font-size:.91rem}
.app-band{background:#eadcb9;padding:66px 0;margin-bottom:82px}
.app-band-inner{display:grid;grid-template-columns:1fr 440px;gap:60px;align-items:center}
.app-images{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.app-images img{aspect-ratio:1/1;object-fit:cover;border-radius:24px;background:#fff5d9}
.guide-preview{padding:18px 0 88px}
.numbered-guide{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}
.numbered-guide article{padding:26px;border-top:3px solid var(--gold);background:var(--sand);border-radius:0 0 var(--radius-md) var(--radius-md)}
.numbered-guide span{font-size:.75rem;font-weight:900;color:#a47600;letter-spacing:.1em}
.numbered-guide h3{font-size:1.12rem;margin:.6em 0 .35em}
.numbered-guide p{margin:0;color:var(--muted);font-size:.92rem}
.faq-preview{padding:32px 0 92px}
.faq-list details{border-top:1px solid var(--line)}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{cursor:pointer;padding:18px 42px 18px 0;font-weight:800;color:var(--ink);position:relative;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:4px;top:12px;font-size:1.5rem;color:#9b7011}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{padding:0 0 19px;margin:0;color:#625c52}
.center-link{text-align:center;margin-top:26px}
.closing-map{border-top:1px solid var(--line);padding:65px 0 94px;display:grid;grid-template-columns:1fr 1.4fr;gap:70px}
.closing-links{border-top:1px solid var(--line)}
.closing-links a{display:grid;padding:15px 0;border-bottom:1px solid var(--line);text-decoration:none}
.closing-links span{font-size:.88rem;color:var(--muted)}
.page-hero,.page-lead{padding:18px 0 72px}
.page-hero-grid,.page-lead{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:64px;align-items:center}
.page-lead{padding-top:64px}
.page-lead figure,.page-hero figure{margin:0}
.page-lead figure img,.page-hero figure img{width:100%;aspect-ratio:1.35/1;object-fit:cover;border-radius:36px 12px 36px 12px}
.page-lead h1,.page-hero h1{font-size:clamp(2.15rem,4.6vw,4.2rem)}
.filter-strip{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:end;padding-bottom:38px}
.filter-strip .form-note{grid-column:2}
.filter-buttons{display:flex;gap:8px;flex-wrap:wrap}
.filter-buttons button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;color:var(--ink)}
.filter-buttons button.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.watch-index{padding-bottom:84px}
.watch-table{border-top:1px solid var(--line)}
.watch-row{display:grid;grid-template-columns:54px 1fr 155px;gap:22px;padding:21px 0;border-bottom:1px solid var(--line);align-items:start}
.watch-row[hidden]{display:none}
.watch-row-index{font-size:.78rem;color:#b0a491;padding-top:5px}
.watch-row-main h3{font-size:1.12rem;margin:.2em 0}
.watch-row-main h3 a{text-decoration:none}
.watch-row-main>p:last-child{margin:.35em 0 0;color:#696257;font-size:.92rem}
.watch-row-side{display:grid;gap:8px;text-align:right;font-size:.8rem;color:var(--muted)}
.watch-row-side a{font-weight:800;color:#8e6500;text-decoration:none}
.category-shortcuts{margin-bottom:0}
.category-mini-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #dfd2ba;border-left:1px solid #dfd2ba}
.category-mini-grid a{padding:20px;border-right:1px solid #dfd2ba;border-bottom:1px solid #dfd2ba;text-decoration:none;display:grid;gap:8px}
.category-mini-grid span{font-size:.83rem;color:var(--muted)}
.watch-note{padding:80px 0 100px}
.category-hero{padding-bottom:70px}
.category-hero-grid{display:grid;grid-template-columns:1fr 440px;gap:64px;align-items:center;padding-top:36px}
.category-hero-grid figure{margin:0}
.category-hero-grid img{width:100%;aspect-ratio:1.35/1;object-fit:cover;border-radius:32px}
.category-results{padding-bottom:80px}
.editorial-list{display:grid;grid-template-columns:1fr 1fr;gap:0 54px;border-top:1px solid var(--line)}
.editorial-list article{padding:26px 0;border-bottom:1px solid var(--line)}
.editorial-list h3{font-size:1.2rem}
.editorial-list h3 a{text-decoration:none}
.editorial-list .angle-note{padding-left:14px;border-left:2px solid var(--gold-soft);color:#655e53;font-size:.9rem}
.cross-nav{padding:0 0 90px}
.article-page{padding-bottom:70px}
.article-header{display:grid;grid-template-columns:1.1fr .9fr;gap:62px;align-items:center;padding:48px 0 62px;border-bottom:1px solid var(--line)}
.article-header h1{font-size:clamp(2.15rem,4.6vw,4.1rem)}
.article-header figure{margin:0}
.article-header img{width:100%;aspect-ratio:1.3/1;object-fit:cover;border-radius:34px 12px 34px 12px}
.article-date{font-size:.82rem;color:var(--muted)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:70px;padding-top:56px}
.article-body{max-width:760px}
.article-body section{margin-bottom:42px}
.article-body h2{font-size:1.55rem}
.article-body p{font-size:1.02rem;color:#4c473e}
.editor-note{padding:28px;border-radius:18px;background:var(--sand)}
.article-aside{display:grid;gap:18px;align-content:start}
.article-aside img{border-radius:20px;width:100%}
.aside-card{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fffdf9}
.aside-card h2{font-size:1.06rem}
.aside-card a{display:block;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:700;font-size:.88rem}
.related-section{margin-bottom:0}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.related-grid a{padding:20px;border-radius:14px;background:rgba(255,255,255,.66);text-decoration:none;display:grid;gap:8px}
.related-grid span{font-size:.82rem;color:var(--muted)}
.topic-directory{padding:6px 0 96px}
.topic-directory-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}
.topic-directory-grid article{padding-bottom:26px;border-bottom:1px solid var(--line)}
.topic-directory-grid article:nth-child(3),.topic-directory-grid article:nth-child(4){margin-top:22px}
.topic-directory-grid img{width:100%;aspect-ratio:1.8/1;object-fit:cover;border-radius:18px;margin-bottom:18px}
.topic-directory-grid h3{font-size:1.25rem}
.topic-directory-grid h3 a{text-decoration:none}
.editorial-note{margin:0;padding:72px 0}
.topic-method{padding:82px 0 100px}
.special-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;padding:58px 0 80px}
.special-hero.reverse{grid-template-columns:.95fr 1.05fr}
.special-hero img{width:100%;aspect-ratio:1.4/1;object-fit:cover;border-radius:40px 14px 40px 14px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:72px;padding-bottom:82px}
.article-grid .article-main h2{font-size:1.65rem;margin-top:1.7em}
.article-grid .article-main h2:first-child{margin-top:0}
.article-grid .article-aside{position:sticky;top:112px;align-self:start}
.article-grid .article-aside h3{margin-top:20px}
.article-grid .article-aside ul{padding-left:1.2em;color:var(--muted)}
.compact-card-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0 34px;border-top:1px solid var(--line);padding-bottom:70px}
.compact-card-list article{padding:22px 0;border-bottom:1px solid var(--line)}
.compact-card-list h3 a{text-decoration:none}
.compact-card-list p:last-child{font-size:.9rem;color:var(--muted)}
.callout{padding:34px 34px 36px;border-radius:20px;background:var(--sand);margin-bottom:90px}
.callout h2{font-size:1.4rem}
.app-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center;padding:46px 0 80px}
.device-visual{display:grid;grid-template-columns:1fr 1fr;gap:12px;transform:rotate(-1deg)}
.device-visual img{border-radius:26px;background:var(--sand);aspect-ratio:1/1;object-fit:cover}
.step-list{list-style:none;margin:0 0 88px;padding:0;border-top:1px solid var(--line)}
.step-list li{display:grid;grid-template-columns:80px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line)}
.step-list>li>span{font-size:.78rem;font-weight:900;color:#a87704;padding-top:4px}
.step-list h3{font-size:1.2rem;margin:0 0 .35em}
.step-list p{margin:0;color:var(--muted)}
.app-troubleshoot{margin-bottom:0}
.app-troubleshoot img{border-radius:22px;margin-top:28px}
.plain-list{border-top:1px solid #ddcfb3}
.plain-list article{padding:15px 0;border-bottom:1px solid #ddcfb3}
.plain-list h3{margin:.1em 0}
.plain-list p{margin:.35em 0;color:var(--muted)}
.guide-index{display:grid;grid-template-columns:150px 1fr;gap:30px;padding:18px 0 70px}
.guide-index>div{display:flex;flex-wrap:wrap;gap:8px}
.guide-index a{padding:7px 11px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:.8rem;background:#fff}
.guide-articles{padding-bottom:70px}
.guide-article{display:grid;grid-template-columns:90px 1fr;gap:30px;padding:50px 0;border-top:1px solid var(--line);scroll-margin-top:100px}
.guide-number{font-size:2rem;color:#d0b06c;font-weight:300;line-height:1}
.guide-article>div:last-child{max-width:800px}
.guide-article h2{font-size:1.65rem}
.full-faq{padding-bottom:90px}
.full-faq summary{font-size:1.04rem;padding-block:22px}
.full-faq details p{font-size:1rem;padding-bottom:26px}
.about-principles{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;padding-bottom:80px}
.about-principles article{border-top:1px solid var(--line);padding:28px 0}
.about-principles article>span{color:#af8123;font-size:.75rem;font-weight:900}
.about-principles h2{font-size:1.45rem}
.safety-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding-bottom:82px}
.safety-checks article{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff}
.safety-checks h2{font-size:1.35rem}
.privacy-flow{padding-bottom:82px}
.privacy-flow article{display:grid;grid-template-columns:70px 1fr;gap:24px;padding:27px 0;border-top:1px solid var(--line)}
.privacy-flow article>span{font-size:.78rem;font-weight:900;color:#a67706}
.privacy-flow h2{font-size:1.4rem}
.contact-layout{display:grid;grid-template-columns:1fr 340px;gap:70px;padding-bottom:92px}
.contact-form{display:grid;gap:18px}
.contact-form label{display:grid;gap:7px;font-weight:800;color:var(--ink)}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);font-weight:400;outline:none}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(217,162,27,.13)}
.contact-form textarea{resize:vertical}
.contact-form .button{justify-self:start}
.contact-layout aside{padding:26px;border-radius:18px;background:var(--sand);align-self:start}
.contact-layout aside h2{font-size:1.4rem}
.form-errors,.form-success{padding:22px 24px;border-radius:14px;margin-bottom:24px}
.form-errors{background:#fff0eb;border:1px solid #efc2b4}
.form-success{background:#f3f1d7;border:1px solid #d5d09d}
.form-errors ul{margin-bottom:0}
.search-page{padding:76px 0 100px;max-width:900px}
.search-page h1{font-size:clamp(2rem,4.5vw,3.7rem)}
.page-search{max-width:720px;margin:28px 0 40px}
.empty-state{padding:34px;border-radius:18px;background:var(--sand);margin-top:30px}
.result-count{color:var(--muted);font-weight:700}
.search-results{border-top:1px solid var(--line)}
.search-results article{padding:26px 0;border-bottom:1px solid var(--line)}
.search-results h2{font-size:1.35rem}
.search-results h2 a{text-decoration:none}
.search-results p:last-child{color:var(--muted)}
.error-page{padding:120px 0 150px;text-align:center}
.error-page .action-row{justify-content:center}
.update-ledger{padding:10px 0 88px}
.update-ledger>ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.update-ledger>ol>li{display:grid;grid-template-columns:140px 1fr;gap:30px;padding:24px 0;border-bottom:1px solid var(--line)}
.update-ledger>ol>li>time{font-weight:800;color:#9c7218;font-size:.85rem}
.update-ledger h3{font-size:1.2rem}
.update-ledger h3 a{text-decoration:none}
.update-ledger li p:last-child{color:var(--muted);margin-bottom:0}
.site-footer{background:#251f18;color:#cfc5b6;padding:64px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:54px}
.footer-brand strong{font-size:1.2rem;color:#fff7e7}
.footer-brand p{max-width:350px;font-size:.9rem;color:#b9ae9f}
.footer-grid h2{font-size:.78rem;color:#f1dca9;text-transform:uppercase;letter-spacing:.1em;margin:0 0 12px}
.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;align-items:flex-start}
.footer-grid a{display:block;color:#cfc5b6;padding:5px 0;text-decoration:none;font-size:.88rem}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid #484037;margin-top:46px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:.78rem;color:#9f9587}
.footer-bottom p{margin:0}
.footer-bottom a{color:#cfc5b6;text-decoration:none;white-space:nowrap}
@media (max-width:1080px){
  .shell{width:min(calc(100% - 40px),var(--shell))}
  .header-inner{gap:16px}
  .primary-nav a{padding:9px 8px;font-size:.86rem}
  .home-intro{gap:42px}
  .watch-focus .watch-layout{grid-template-columns:300px 1fr;gap:45px}
  .app-band-inner{grid-template-columns:1fr 360px}
  .article-layout{gap:42px}
  .footer-grid{gap:34px}
}
@media (max-width:900px){
  .site-header{position:relative}
  .nav-toggle{display:block;margin-left:auto}
  .primary-nav{position:absolute;left:20px;right:20px;top:70px;display:none;flex-direction:column;align-items:stretch;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
  .primary-nav.is-open{display:flex}
  .primary-nav a{padding:10px 12px}
  .home-intro,.page-lead,.page-hero-grid,.category-hero-grid,.article-header,.special-hero,.app-hero{grid-template-columns:1fr;gap:34px}
  .home-intro{padding-top:46px}
  .intro-visual{max-width:660px}
  .watch-focus .watch-layout{grid-template-columns:1fr}
  .watch-heading{position:static}
  .section-heading.split-title{grid-template-columns:1fr;gap:12px}
  .editorial-split,.topic-strip{grid-template-columns:1fr 1fr;gap:40px}
  .app-band-inner{grid-template-columns:1fr 300px;gap:36px}
  .two-col{gap:44px}
  .category-mini-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout,.article-grid{grid-template-columns:1fr}
  .article-aside,.article-grid .article-aside{position:static;grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .compact-card-list{grid-template-columns:repeat(2,1fr)}
  .contact-layout{grid-template-columns:1fr 290px;gap:38px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
  .footer-grid>div:last-child{grid-column:2/4}
}
@media (max-width:768px){
  .shell{width:min(calc(100% - 32px),var(--shell))}
  .header-inner{min-height:68px}
  .brand small{display:none}
  .brand img{width:40px;height:40px}
  .search-trigger{padding-inline:12px}
  h1{font-size:clamp(2rem,9vw,3.6rem)}
  .home-intro{padding-bottom:24px}
  .intro-facts{grid-template-columns:1fr}
  .entry-rail{padding-bottom:54px}
  .entry-lines a{grid-template-columns:1fr auto;gap:5px 16px}
  .entry-lines span{grid-column:1/2;font-size:.88rem}
  .wide-section{margin:64px 0;padding:58px 0}
  .category-columns{grid-template-columns:1fr}
  .editorial-split,.topic-strip,.app-band-inner,.two-col{grid-template-columns:1fr}
  .topic-strip,.editorial-split{padding-block:64px}
  .app-images{max-width:430px}
  .numbered-guide{grid-template-columns:1fr}
  .closing-map{grid-template-columns:1fr;gap:30px}
  .filter-strip{grid-template-columns:1fr;gap:18px}
  .filter-strip .form-note{grid-column:auto}
  .watch-row{grid-template-columns:38px 1fr}
  .watch-row-side{grid-column:2;text-align:left;grid-template-columns:auto 1fr;align-items:center}
  .watch-row-side a{text-align:right}
  .editorial-list{grid-template-columns:1fr}
  .article-header,.article-layout{padding-top:36px}
  .article-aside,.article-grid .article-aside{grid-template-columns:1fr}
  .topic-directory-grid{grid-template-columns:1fr 1fr;gap:18px}
  .topic-directory-grid article:nth-child(3),.topic-directory-grid article:nth-child(4){margin-top:0}
  .compact-card-list{grid-template-columns:1fr 1fr;gap:0 22px}
  .guide-index{grid-template-columns:1fr;gap:14px}
  .guide-article{grid-template-columns:55px 1fr;gap:18px;padding:38px 0}
  .about-principles,.safety-checks{grid-template-columns:1fr}
  .contact-layout{grid-template-columns:1fr}
  .contact-layout aside{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:last-child{grid-column:auto}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:600px){
  .shell{width:min(calc(100% - 26px),var(--shell))}
  .header-inner{gap:9px}
  .brand span strong{font-size:.96rem}
  .nav-toggle,.search-trigger{font-size:.82rem;padding:8px 10px}
  .primary-nav{left:13px;right:13px}
  .search-panel{padding:32px 22px}
  .search-line{grid-template-columns:1fr}
  .search-line button{width:100%}
  .page-lead{padding-top:42px;padding-bottom:54px}
  .home-intro{padding-top:40px}
  .home-intro h1{font-size:clamp(2rem,12vw,3rem)}
  .intro-visual img,.page-lead figure img,.page-hero figure img{border-radius:26px 12px 26px 12px}
  .entry-lines a{padding-block:16px}
  .watch-focus .watch-layout{gap:32px}
  .dense-item{padding:18px 0}
  .category-line{grid-template-columns:30px 1fr 18px}
  .category-mini-grid{grid-template-columns:1fr}
  .updates-band{padding:62px 0}
  .timeline-list li{grid-template-columns:1fr;gap:5px}
  .topic-strip{gap:30px}
  .device-visual{grid-template-columns:1fr 1fr}
  .watch-row{grid-template-columns:1fr;gap:5px}
  .watch-row-index{display:none}
  .watch-row-side{grid-column:1}
  .watch-row-side a{text-align:left}
  .article-header{gap:26px}
  .article-layout{padding-top:36px}
  .article-body section{margin-bottom:34px}
  .related-grid{grid-template-columns:1fr}
  .topic-directory-grid{grid-template-columns:1fr}
  .compact-card-list{grid-template-columns:1fr}
  .step-list li{grid-template-columns:45px 1fr}
  .guide-article{grid-template-columns:1fr}
  .guide-number{font-size:1rem}
  .privacy-flow article{grid-template-columns:46px 1fr;gap:16px}
  .callout{padding:24px;margin-bottom:64px}
  .update-ledger>ol>li{grid-template-columns:1fr;gap:5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
  .footer-bottom{flex-direction:column}
}
@media (max-width:400px){
  .shell{width:min(calc(100% - 22px),var(--shell))}
  .brand img{width:36px;height:36px}
  .brand span strong{font-size:.88rem}
  .header-inner{gap:6px}
  .nav-toggle,.search-trigger{padding:7px 8px}
  .action-row{align-items:stretch;flex-direction:column}
  .action-row .button{text-align:center;width:100%}
  .intro-facts div{padding:12px}
  .device-visual{grid-template-columns:1fr}
  .article-header h1,.page-lead h1,.page-hero h1{font-size:2rem}
}
.handbook-group{padding:32px 0 70px;scroll-margin-top:90px}
.handbook-list{border-top:1px solid var(--line)}
.handbook-note{padding:34px 0;border-bottom:1px solid var(--line);scroll-margin-top:96px}
.handbook-note>header{display:grid;grid-template-columns:48px 1fr;gap:20px;align-items:start}
.handbook-note>header>span{font-size:.78rem;font-weight:900;color:#aa7a11;padding-top:5px}
.handbook-note h3{font-size:1.45rem;margin:0 0 .35em}
.handbook-note header p{margin:0;color:var(--muted);max-width:780px}
.handbook-body{margin:22px 0 0 68px;max-width:880px;display:grid;grid-template-columns:1fr 1fr;gap:0 34px}
.handbook-body p{margin:0;padding:16px 0;border-top:1px solid #eee4d3;color:#514b42}
.topic-extra-link{margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}
@media (max-width:768px){.handbook-body{grid-template-columns:1fr;margin-left:68px}.handbook-group{padding-bottom:50px}}
@media (max-width:600px){.handbook-note>header{grid-template-columns:1fr}.handbook-note>header>span{padding:0}.handbook-body{margin-left:0}}