:root{
    --brand:#B9473F;
    --brand-dark:#87342F;
    --amber:#D89A45;
    --ink:#1E2026;
    --ink-soft:#2B2D31;
    --paper:#F7F4EF;
    --paper-2:#EEE9E2;
    --muted:#6F706F;
    --accent:#E06A3B;
    --line:#D8D1C8;
    --white:#fffdfa;
    --shadow:0 18px 50px rgba(30,32,38,.10);
    --radius:18px;
    --radius-sm:12px;
    --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--paper);color:var(--ink-soft);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.narrow{width:min(calc(100% - 40px),820px);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-60px;z-index:9999;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;transition:.2s}
.skip-link:focus{top:16px}
.topline{background:var(--ink);color:#ded9d2;font-size:13px}
.topline-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topline p{margin:0}.topline a{color:#fff}
.site-header{position:relative;z-index:50;background:rgba(247,244,239,.97);border-bottom:1px solid var(--line)}
.header-main{min-height:82px;display:flex;align-items:center;gap:30px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em;color:var(--ink);font-size:21px;white-space:nowrap}
.brand img{width:42px;height:42px;object-fit:contain}
.primary-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
.primary-nav a,.search-open{border:0;background:transparent;padding:10px 12px;border-radius:10px;color:#45464a;font-size:15px}
.primary-nav a:hover,.primary-nav a.active,.search-open:hover{background:var(--paper-2);color:var(--brand)}
.primary-nav a.active{font-weight:700}
.search-open{display:inline-flex;align-items:center;gap:6px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);padding:9px 12px;border-radius:10px;color:var(--ink)}
.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:start center;padding:10vh 20px 30px}
.search-backdrop{position:absolute;inset:0;border:0;background:rgba(16,17,20,.74);width:100%;height:100%}
.search-dialog{position:relative;z-index:1;width:min(680px,100%);background:var(--paper);padding:28px;border-radius:20px;box-shadow:0 32px 80px rgba(0,0,0,.32)}
.search-dialog h2{margin:0 48px 8px 0;font-size:28px;color:var(--ink)}
.search-dialog p{margin:0 0 18px;color:var(--muted)}
.search-close{position:absolute;right:18px;top:16px;border:0;background:var(--paper-2);width:38px;height:38px;border-radius:50%;font-size:24px;line-height:1;color:var(--ink)}
.search-row{display:flex;gap:10px}
.search-row input,.inline-search input{min-width:0;flex:1;border:1px solid #cfc7bd;background:#fff;padding:13px 15px;border-radius:10px;color:var(--ink);outline:none}
.search-row input:focus,.inline-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(185,71,63,.12)}
.eyebrow{margin:0 0 9px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.hero{position:relative}
.home-hero{padding:66px 0 58px;background:linear-gradient(180deg,#f3ede5 0%,var(--paper) 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);gap:62px;align-items:center}
.hero h1,.page-hero h1,.article-header h1,.not-found h1{margin:0;color:var(--ink);font-size:clamp(38px,5.1vw,70px);line-height:1.12;letter-spacing:-.035em}
.hero-lead{max-width:700px;margin:22px 0 0;font-size:19px;color:#505154;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 19px;border-radius:11px;border:1px solid transparent;font-weight:700;line-height:1.3;transition:.18s}
.button.primary{background:var(--brand);color:#fff}.button.primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.button.secondary{background:var(--ink);color:#fff}.button.secondary:hover{background:#30323a;color:#fff}
.button.outline{border-color:#bbb2a8;background:transparent;color:var(--ink)}.button.outline:hover{border-color:var(--brand);color:var(--brand)}
.button.light{background:#fff;color:var(--ink)}
.hero-points{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 0;padding:0;list-style:none}
.hero-points li{background:var(--paper-2);border:1px solid #ddd5cc;padding:7px 11px;border-radius:999px;font-size:13px;color:#5e5e5d}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
.hero-media:after{content:"";position:absolute;right:-14px;bottom:-14px;width:42%;height:42%;border:2px solid var(--amber);border-radius:24px;z-index:-1}
.section{padding:74px 0}
.section-heading{max-width:760px;margin-bottom:34px}
.section-heading h2,.split-heading h2,.feature-copy h2,.final-cta h2,.compact-dark h2{margin:0;color:var(--ink);font-size:clamp(28px,3.4vw,43px);line-height:1.25;letter-spacing:-.025em}
.section-heading p,.split-heading p{margin:12px 0 0;color:var(--muted);font-size:16px}
.split-heading{display:grid;grid-template-columns:1fr .85fr;gap:42px;align-items:end;margin-bottom:34px}
.intro-band{padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f2eee8}
.intro-grid{display:grid;grid-template-columns:.38fr 1.62fr;gap:48px;align-items:start}
.intro-grid h2{margin:0;font-size:24px;color:var(--ink)}
.prose-large{font-size:20px;line-height:1.9;margin:0;color:#46474a}
.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.route-card{display:flex;min-height:260px;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,253,250,.72);transition:.2s}
.route-card:hover{transform:translateY(-3px);border-color:#bea99f;box-shadow:0 14px 28px rgba(30,32,38,.07);color:inherit}
.route-index{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:.1em}
.route-card h3{margin:32px 0 10px;font-size:23px;line-height:1.3;color:var(--ink)}
.route-card p{margin:0;color:var(--muted)}
.route-card .text-link{margin-top:auto;padding-top:20px}
.text-link{font-weight:800;color:var(--brand)}
.text-link:hover{text-decoration:underline}
.dark-section{background:var(--ink);color:#d8d7d3}
.dark-section .eyebrow{color:#e8ac62}.dark-section h2,.dark-section h3{color:#fff}.dark-section p{color:#c3c3c0}
.feature-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}
.feature-layout.reverse{grid-template-columns:.92fr 1.08fr}
.feature-layout.reverse .feature-image{order:2}
.feature-image img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:24px}
.feature-copy h2{color:inherit}
.feature-copy>p{font-size:17px}
.inline-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:21px}
.inline-links a{font-weight:700;color:var(--brand)}
.dark-section .inline-links a,.light-link{color:#f1b267}
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.story-card{display:flex;flex-direction:column;min-width:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.story-thumb{overflow:hidden;background:#ded8d0}.story-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s}.story-thumb:hover img{transform:scale(1.02)}
.story-card-body{display:flex;flex:1;flex-direction:column;padding:20px}
.story-card h3{margin:2px 0 9px;font-size:20px;line-height:1.42;color:var(--ink)}
.story-card h3 a:hover{color:var(--brand)}
.story-card p:not(.eyebrow){margin:0;color:var(--muted);font-size:15px}
.story-card .text-link{margin-top:auto;padding-top:16px}
.soft-section{background:var(--paper-2);border-top:1px solid #ded7ce;border-bottom:1px solid #ded7ce}
.topic-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cfc7bd;border:1px solid #cfc7bd;border-radius:18px;overflow:hidden}
.topic-tile{padding:25px;background:var(--paper)}.topic-tile:hover{background:#fffaf4;color:inherit}
.topic-tile h3{margin:5px 0 8px;color:var(--ink);font-size:20px}.topic-tile p{margin:0;color:var(--muted);font-size:14px}
.editorial-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:start}
.compact-dark{background:var(--ink);border-radius:22px;padding:30px;color:#d1d1ce}.compact-dark h2{color:#fff;font-size:29px}.compact-dark p{color:#c8c8c5}.compact-dark .button{margin-top:10px}
.ai-callout{border-left:4px solid var(--amber);padding:6px 0 6px 22px}.ai-callout h3{margin:0 0 8px;color:var(--ink)}.ai-callout p{margin:0;color:var(--muted)}
.steps-grid{counter-reset:steps;display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.step-card{position:relative;padding:24px;background:var(--white);border:1px solid var(--line);border-radius:16px}
.step-card h3{margin:35px 0 8px;font-size:19px;color:var(--ink)}.step-card p{margin:0;color:var(--muted);font-size:14px}
.step-card:before{counter-increment:steps;content:counter(steps,decimal-leading-zero);position:absolute;left:24px;top:18px;color:var(--brand);font-weight:900;font-size:12px;letter-spacing:.08em}
.center-link{text-align:center;margin:30px 0 0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item h3{margin:0}
.faq-item button{display:flex;width:100%;align-items:center;justify-content:space-between;gap:20px;padding:19px 2px;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:750}
.faq-item button span{flex:none;color:var(--brand);font-size:24px;transition:.2s}
.faq-item button[aria-expanded="true"] span{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 46px 20px 2px;color:var(--muted)}.faq-answer p{margin:0}.faq-item button[aria-expanded="true"]+.faq-answer{display:block}
.final-cta{padding:46px 0 70px}
.final-cta-inner{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:var(--brand);color:#fff;padding:36px 40px;border-radius:22px}
.final-cta h2{color:#fff}.final-cta p{margin:8px 0 0;color:#f5deda}
.inline-search{display:flex;gap:10px;min-width:min(420px,100%)}
.breadcrumbs{padding:22px 0 0;font-size:13px;color:var(--muted)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px;color:#b1aaa1}.breadcrumbs a:hover{color:var(--brand)}
.page-hero{padding:38px 0 62px}
.page-hero-grid{display:grid;grid-template-columns:1fr .92fr;gap:58px;align-items:center}
.page-hero h1{font-size:clamp(38px,5vw,62px)}
.page-hero p.large{font-size:18px;color:var(--muted);margin:20px 0 0}
.page-hero img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:23px;box-shadow:var(--shadow)}
.dark-page-hero{background:var(--ink);color:#d5d5d2;padding-top:16px}.dark-page-hero h1{color:#fff}.dark-page-hero .breadcrumbs{color:#aaa9a5}.dark-page-hero .breadcrumbs a{color:#ddd}.dark-page-hero p.large{color:#c5c5c2}
.domain-box{margin-top:23px;padding:16px 18px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:rgba(255,255,255,.06)}.domain-box strong{display:block;color:#fff;font-size:19px}.domain-box span{color:#c6c5c1;font-size:14px}
.compare-grid,.myth-grid,.scenario-grid,.safety-grid,.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.compare-grid>article,.myth-grid>article,.scenario-grid>article,.safety-grid>article,.contact-grid>article{padding:25px;border:1px solid var(--line);border-radius:16px;background:var(--white)}
.compare-grid h3,.myth-grid h3,.scenario-grid h3,.safety-grid h3,.contact-grid h3{margin:0 0 9px;color:var(--ink);font-size:20px}.compare-grid p,.myth-grid p,.scenario-grid p,.safety-grid p,.contact-grid p{margin:0;color:var(--muted)}
.check-list{margin:19px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding:8px 0 8px 30px}.check-list li:before{content:"✓";position:absolute;left:0;top:8px;color:var(--brand);font-weight:900}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.prose h2,.article-prose h2,.topic-prose h2{margin:36px 0 12px;color:var(--ink);font-size:29px;line-height:1.35}.prose h2:first-child,.article-prose h2:first-child,.topic-prose h2:first-child{margin-top:0}
.prose h3,.article-prose h3,.topic-prose h3{margin:26px 0 8px;color:var(--ink);font-size:21px}.prose p,.article-prose p,.topic-prose p{margin:0 0 17px}.prose ul,.prose ol,.article-prose ul,.article-prose ol{padding-left:22px}
.side-panel{position:relative;background:var(--paper-2);border:1px solid #ddd5cb;border-radius:16px;padding:22px}.side-panel.sticky{position:sticky;top:22px}.side-panel h2,.side-panel h3{margin:0 0 12px;color:var(--ink);font-size:19px}.side-panel ul{margin:0;padding-left:18px}.side-panel li+li{margin-top:8px}
.checklist-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:start}
.number-list{counter-reset:numbered;margin:0;padding:0;list-style:none}.number-list li{counter-increment:numbered;position:relative;padding:17px 0 17px 58px;border-bottom:1px solid var(--line)}.number-list li:before{content:counter(numbered);position:absolute;left:0;top:15px;width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:800}.number-list strong{display:block;color:var(--ink)}
.steps-vertical{counter-reset:vertical;margin:0;padding:0;list-style:none}.steps-vertical li{counter-increment:vertical;display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}.steps-vertical li:before{content:counter(vertical,decimal-leading-zero);font-weight:900;color:var(--brand);font-size:14px}.steps-vertical h3{margin:0 0 6px;color:var(--ink)}.steps-vertical p{margin:0;color:var(--muted)}
.topic-list{display:grid;gap:14px}.topic-list a{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:var(--white)}.topic-list h3{margin:0 0 4px;color:var(--ink)}.topic-list p{margin:0;color:var(--muted);font-size:14px}
.article-page{padding-bottom:74px}
.article-header{padding:34px 0 30px}.article-header h1{font-size:clamp(37px,4.9vw,62px);max-width:960px}.article-deck{max-width:780px;margin:18px 0 0;font-size:19px;color:#5c5d5e}.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:18px;color:var(--muted);font-size:13px}
.article-cover{margin:0 0 42px}.article-cover img{width:100%;max-height:620px;aspect-ratio:16/8.5;object-fit:cover;border-radius:22px}
.article-content-section{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:58px;align-items:start}.article-prose{font-size:17px}.article-note{padding:18px 20px;border-left:4px solid var(--amber);background:var(--paper-2);margin:25px 0;border-radius:0 10px 10px 0}.article-note strong{color:var(--ink)}
.faq-page-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:50px;align-items:start}
.search-page-hero{padding:44px 0 34px}.search-page-hero h1{margin:0;font-size:clamp(34px,4.8vw,54px);color:var(--ink)}.search-summary{padding:15px 18px;background:var(--paper-2);border-radius:12px;margin-bottom:24px}.search-results{display:grid;gap:15px}.search-results article{padding:21px;border:1px solid var(--line);border-radius:14px;background:var(--white)}.search-results h2{margin:0 0 7px;font-size:21px;color:var(--ink)}.search-results p{margin:0;color:var(--muted)}
.empty-state{padding:28px;border:1px dashed #bcb4aa;border-radius:14px;color:var(--muted);background:rgba(255,255,255,.4)}
.tag-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.tag-links a{border:1px solid var(--line);background:var(--white);padding:7px 10px;border-radius:999px;font-size:13px}.tag-links a:hover{border-color:var(--brand)}
.not-found{padding:80px 0;text-align:center}.big-404{display:block;color:var(--brand);font-size:clamp(68px,13vw,150px);font-weight:900;line-height:1}.not-found h1{font-size:clamp(31px,4vw,48px);margin-top:10px}.not-found p{max-width:620px;margin:14px auto 25px;color:var(--muted)}.not-found-links{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.site-footer{background:#17191e;color:#c1c1be;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,.7fr);gap:50px}.site-footer h2,.site-footer h3{color:#fff;margin:0 0 13px}.site-footer h2{font-size:24px}.site-footer h3{font-size:15px}.site-footer p{color:#aeadab;margin:0;max-width:430px}.site-footer ul{margin:0;padding:0;list-style:none}.site-footer li+li{margin-top:7px}.site-footer a{color:#c9c8c5}.site-footer a:hover{color:#f0af5e}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid #30323a;margin-top:42px;padding-top:20px;font-size:13px;color:#8f908f}.footer-bottom p{margin:0}.footer-bottom a{color:#b8b8b5}
@media (max-width:1080px){
    .primary-nav a,.search-open{padding:9px 8px;font-size:14px}.route-grid,.topic-strip,.steps-grid{grid-template-columns:repeat(2,1fr)}
    .hero-grid,.page-hero-grid{gap:40px}.article-content-section{grid-template-columns:minmax(0,1fr) 250px}.footer-grid{grid-template-columns:1.25fr repeat(3,.75fr);gap:28px}
}
@media (max-width:820px){
    .container,.narrow{width:min(calc(100% - 30px),var(--max))}.topline-inner{min-height:32px}.topline-inner span{display:none}
    .header-main{min-height:72px}.menu-toggle{display:inline-flex;margin-left:auto}.search-open{margin-left:0}.primary-nav{position:absolute;left:15px;right:15px;top:72px;display:none;flex-direction:column;align-items:stretch;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow)}.primary-nav[data-open="true"]{display:flex}.primary-nav a{padding:11px 13px}.primary-nav+.search-open{margin-left:0}
    .hero-grid,.page-hero-grid,.feature-layout,.feature-layout.reverse,.editorial-layout,.split-heading,.intro-grid,.checklist-layout,.article-layout,.article-content-section,.faq-page-grid{grid-template-columns:1fr}.feature-layout.reverse .feature-image{order:0}.home-hero{padding-top:45px}.hero-media{max-width:620px}.section{padding:58px 0}.story-grid{grid-template-columns:repeat(2,1fr)}
    .final-cta-inner{grid-template-columns:1fr}.inline-search{min-width:0;width:100%}.side-panel.sticky{position:relative;top:auto}.article-cover{margin-bottom:32px}.article-content-section{gap:34px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{align-items:flex-start;flex-direction:column}
}
@media (max-width:600px){
    .container,.narrow{width:min(calc(100% - 24px),var(--max))}.topline{font-size:12px}.brand{font-size:18px}.brand img{width:36px;height:36px}.header-main{gap:9px}.search-open{padding:8px}.search-open span{display:none}.menu-toggle{padding:8px 10px}
    .home-hero{padding:38px 0 43px}.hero h1,.page-hero h1,.article-header h1{font-size:36px}.hero-lead,.article-deck{font-size:17px}.hero-actions{align-items:stretch}.hero-actions .button{width:100%}.hero-media img{border-radius:18px}.hero-media:after{display:none}
    .section{padding:48px 0}.section-heading h2,.split-heading h2,.feature-copy h2,.final-cta h2{font-size:29px}.route-grid,.story-grid,.topic-strip,.steps-grid,.compare-grid,.myth-grid,.scenario-grid,.safety-grid,.contact-grid{grid-template-columns:1fr}.route-card{min-height:210px}.topic-strip{background:transparent;border:0;gap:12px;border-radius:0}.topic-tile{border:1px solid var(--line);border-radius:14px}.feature-layout{gap:28px}.feature-image img{border-radius:16px}
    .page-hero{padding:27px 0 46px}.breadcrumbs{padding-top:15px}.article-header{padding-top:24px}.article-cover img{border-radius:14px;aspect-ratio:16/10}.article-prose{font-size:16px}.article-prose h2,.topic-prose h2,.prose h2{font-size:25px}.faq-answer{padding-right:8px}
    .final-cta{padding:32px 0 50px}.final-cta-inner{padding:27px 22px;border-radius:16px}.inline-search,.search-row{flex-direction:column}.search-dialog{padding:23px 18px}.search-dialog h2{font-size:24px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}.footer-grid>div:first-child{grid-column:1/-1}.site-footer{padding-top:45px}
}
@media (max-width:375px){
    .brand{font-size:16px}.brand img{width:32px;height:32px}.hero h1,.page-hero h1,.article-header h1{font-size:32px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.button{padding-inline:15px}.route-card{padding:20px}.section{padding:42px 0}
}