/* 基础主题：温润、成熟、轻影视感。无外链字体、无框架。 */
:root{
    --primary:#C85C7A;
    --peach:#E7B7A8;
    --dark:#2B2228;
    --bg:#FBF7F5;
    --bg-soft:#F3E9E6;
    --text:#342F32;
    --muted:#746A6F;
    --accent:#D9913D;
    --line:rgba(43,34,40,.13);
    --line-strong:rgba(43,34,40,.24);
    --paper:#fffdfc;
    --radius:18px;
    --shadow:0 18px 50px rgba(43,34,40,.08);
    --content:1180px;
    --reading:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}
a:hover{color:var(--primary)}
button,input{font:inherit}
button{color:inherit}
main{min-height:64vh}
.skip-link{position:absolute;left:-9999px;top:0;z-index:1000;padding:.7rem 1rem;background:var(--dark);color:white}
.skip-link:focus{left:1rem;top:1rem}
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,245,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-shell{max-width:var(--content);margin:0 auto;min-height:74px;padding:0 22px;display:flex;align-items:center;gap:26px}
.brand-mark{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.05em;text-decoration:none;white-space:nowrap}
.brand-mark img{width:34px;height:34px;object-fit:contain;border-radius:10px}
.desktop-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.desktop-nav a{font-size:.92rem;text-decoration:none;padding:10px 11px;border-radius:999px;color:var(--muted)}
.desktop-nav a[aria-current="page"],.desktop-nav a:hover{background:var(--bg-soft);color:var(--dark)}
.header-actions{display:flex;gap:8px}
.plain-button,.accent-button{border:0;border-radius:999px;padding:9px 14px;cursor:pointer}
.plain-button{background:transparent;border:1px solid var(--line)}
.plain-button:hover{border-color:var(--primary);color:var(--primary)}
.accent-button{background:var(--accent);color:#fff;font-weight:700;border:1px solid var(--accent)}
.menu-toggle{display:none}
.mobile-nav{padding:12px 22px 18px;border-top:1px solid var(--line);background:var(--bg)}
.mobile-nav a{display:block;padding:10px 4px;text-decoration:none;border-bottom:1px solid var(--line)}
.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:start center;padding-top:min(16vh,150px)}
.search-backdrop{position:absolute;inset:0;background:rgba(43,34,40,.52)}
.search-panel{position:relative;width:min(680px,calc(100vw - 30px));background:var(--paper);border-radius:22px;padding:26px;box-shadow:0 30px 80px rgba(0,0,0,.22)}
.search-panel-head{display:flex;justify-content:space-between;align-items:center;gap:18px}
.search-panel h2{margin:0;font-size:1.5rem}
.search-panel p{color:var(--muted);margin:.7rem 0 1.2rem}
.search-form label{font-size:.88rem;font-weight:700;display:block;margin-bottom:7px}
.search-row{display:flex;gap:10px}
.search-row input{min-width:0;flex:1;border:1px solid var(--line-strong);border-radius:999px;background:#fff;padding:11px 15px;outline:none}
.search-row input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,92,122,.12)}
.modal-open{overflow:hidden}
.breadcrumbs{max-width:var(--content);margin:0 auto;padding:22px 22px 0;font-size:.88rem;color:var(--muted)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--peach)}
.page-shell{max-width:var(--content);margin:0 auto;padding:0 22px}
.reading-shell{max-width:var(--reading);margin:0 auto;padding:0 22px}
.eyebrow{text-transform:none;letter-spacing:.08em;color:var(--primary);font-size:.8rem;font-weight:800;margin:0 0 8px}
.hero-editorial{max-width:var(--content);margin:0 auto;padding:62px 22px 42px;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);gap:48px;align-items:end}
.hero-copy{padding-bottom:16px}
.hero-copy h1{font-size:clamp(2.45rem,5.2vw,5.2rem);line-height:1.05;letter-spacing:-.055em;margin:.18em 0 .35em;max-width:820px}
.hero-copy .lead{font-size:1.12rem;color:var(--muted);max-width:690px;margin:0 0 26px}
.hero-links{display:flex;flex-wrap:wrap;gap:12px}
.hero-links a{display:inline-block;padding:10px 15px;border-radius:999px;text-decoration:none;border:1px solid var(--line-strong);background:rgba(255,255,255,.55)}
.hero-links a:first-child{background:var(--primary);border-color:var(--primary);color:#fff}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:28px;box-shadow:var(--shadow);background:var(--bg-soft)}
.hero-note{position:absolute;left:-32px;bottom:28px;width:min(310px,80%);background:rgba(255,253,252,.94);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow)}
.hero-note strong{display:block;color:var(--dark);margin-bottom:3px}
.hero-note span{display:block;color:var(--muted);font-size:.9rem}
.section{padding:56px 0}
.section-tight{padding:38px 0}
.section-soft{background:var(--bg-soft);border-top:1px solid rgba(43,34,40,.04);border-bottom:1px solid rgba(43,34,40,.04)}
.section-dark{background:var(--dark);color:#fff}
.section-dark a{color:#fff}
.section-head{display:grid;grid-template-columns:minmax(0,.8fr) minmax(340px,1.2fr);gap:36px;align-items:end;margin-bottom:28px}
.section-head h2{font-size:clamp(1.8rem,3.3vw,3rem);line-height:1.16;letter-spacing:-.035em;margin:0}
.section-head p{color:var(--muted);margin:0;max-width:680px}
.section-dark .section-head p{color:#d8cfd4}
.route-split{display:grid;grid-template-columns:1.08fr .92fr;border-top:1px solid var(--line)}
.route-main{padding:34px 38px 34px 0;border-right:1px solid var(--line)}
.route-side{padding:34px 0 34px 38px}
.route-main h2,.route-side h2{margin:.15em 0 .4em;font-size:clamp(1.7rem,3vw,2.7rem);line-height:1.18}
.route-main p,.route-side p{color:var(--muted)}
.text-link{display:inline-block;margin-top:6px;color:var(--primary);font-weight:700;text-decoration-thickness:1px}
.text-link::after{content:" →"}
.editorial-list{border-top:1px solid var(--line)}
.editorial-row{display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line)}
.editorial-row .index{font-size:.8rem;color:var(--muted);padding-top:5px}
.editorial-row h3{margin:0 0 5px;font-size:1.24rem}
.editorial-row p{margin:0;color:var(--muted)}
.editorial-row a{font-size:.9rem;color:var(--primary);font-weight:700;white-space:nowrap}
.feature-band{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}
.feature-band img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px;background:#e9dcda}
.feature-copy{padding-right:20px}
.feature-copy h2{font-size:clamp(1.9rem,3.5vw,3.2rem);line-height:1.15;margin:.2em 0 .45em;letter-spacing:-.035em}
.feature-copy p{color:var(--muted)}
.topic-ribbon{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.topic-ribbon article{padding:28px 26px;border-right:1px solid var(--line)}
.topic-ribbon article:first-child{padding-left:0}
.topic-ribbon article:last-child{padding-right:0;border-right:0}
.topic-ribbon h3{font-size:1.22rem;line-height:1.3;margin:.2em 0 .45em}
.topic-ribbon p{font-size:.94rem;color:var(--muted)}
.topic-ribbon img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;margin-bottom:16px;background:#eadfdd}
.guide-steps{display:grid;grid-template-columns:.65fr 1.35fr;gap:44px}
.guide-intro{position:sticky;top:108px;align-self:start}
.guide-intro h2{font-size:2.45rem;line-height:1.16;margin:.2em 0 .4em}
.guide-intro p{color:var(--muted)}
.guide-step{display:grid;grid-template-columns:58px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}
.guide-step:first-child{border-top:1px solid var(--line)}
.guide-step .step-num{font-family:Georgia,serif;font-style:italic;color:var(--primary);font-size:1.3rem}
.guide-step h3{margin:0 0 5px;font-size:1.15rem}
.guide-step p{margin:0;color:var(--muted)}
.dual-note{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.note-panel{padding:30px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.45)}
.note-panel h2,.note-panel h3{margin-top:0}
.note-panel p{color:var(--muted)}
.note-panel--accent{border-color:rgba(217,145,61,.45);background:rgba(217,145,61,.07)}
.image-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;border-radius:28px;overflow:hidden;background:var(--dark);color:white}
.image-story img{width:100%;height:100%;min-height:420px;object-fit:cover}
.image-story-copy{padding:48px;align-self:center}
.image-story-copy p{color:#d8cfd4}
.image-story-copy h2{font-size:clamp(2rem,3.5vw,3.4rem);line-height:1.12;margin:.2em 0 .45em}
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 34px}
.article-teaser{display:grid;grid-template-columns:180px 1fr;gap:18px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.article-teaser .teaser-image img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;background:var(--bg-soft)}
.teaser-body h3{margin:.1em 0 .4em;font-size:1.18rem;line-height:1.35}
.teaser-body h3 a{text-decoration:none}
.teaser-body p{margin:0;color:var(--muted);font-size:.94rem}
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line);padding:0}
.faq-list summary{cursor:pointer;font-weight:750;font-size:1.04rem;list-style:none;padding:20px 0;display:flex;justify-content:space-between;gap:20px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"＋";color:var(--primary);font-size:1.2rem}
.faq-list details[open] summary::after{content:"－"}
.faq-list details p{color:var(--muted);margin:0;padding:0 0 22px;max-width:780px}
.page-hero{max-width:var(--content);margin:0 auto;padding:48px 22px 42px;display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.55fr);gap:44px;align-items:end;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2.2rem,4.4vw,4.2rem);line-height:1.08;letter-spacing:-.045em;margin:.15em 0 .3em}
.page-hero .lead{color:var(--muted);font-size:1.05rem;margin:0;max-width:720px}
.page-hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:22px;background:var(--bg-soft)}
.prose{font-size:1.03rem}
.prose h2{font-size:1.75rem;line-height:1.25;margin:2.1em 0 .55em;color:var(--dark)}
.prose h3{font-size:1.28rem;margin:1.7em 0 .4em}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.45em 0}
.callout{margin:30px 0;padding:22px 24px;background:var(--bg-soft);border-left:4px solid var(--primary);border-radius:0 16px 16px 0}
.callout p:last-child{margin-bottom:0}
.link-index{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}
.link-index a{display:block;text-decoration:none;padding:24px 24px 24px 0;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.link-index a:nth-child(even){padding-left:24px;border-right:0}
.link-index strong{display:block;font-size:1.1rem;margin-bottom:4px}
.link-index span{display:block;color:var(--muted);font-size:.92rem}
.topic-index{display:grid;grid-template-columns:260px 1fr;gap:36px}
.topic-index-nav{border-right:1px solid var(--line);padding-right:30px}
.topic-index-nav h2{font-size:1.2rem;margin-top:0}
.topic-index-nav a{display:block;padding:10px 0;text-decoration:none;color:var(--muted)}
.topic-index-content .topic-block{padding:0 0 34px;margin:0 0 34px;border-bottom:1px solid var(--line)}
.topic-block h2{font-size:2rem;margin:.1em 0 .35em}
.topic-block > p{color:var(--muted)}
.compact-list{list-style:none;margin:20px 0 0;padding:0}
.compact-list li{display:grid;grid-template-columns:1fr auto;gap:20px;padding:14px 0;border-top:1px solid var(--line)}
.compact-list a{font-weight:700;text-decoration:none}
.compact-list span{color:var(--muted);font-size:.88rem}
.article-page{padding-top:20px}
.article-header{max-width:900px;margin:0 auto;padding:38px 22px 28px}
.article-header h1{font-size:clamp(2.25rem,4.5vw,4.4rem);line-height:1.06;letter-spacing:-.045em;margin:.16em 0 .28em}
.article-header .summary{color:var(--muted);font-size:1.08rem;max-width:760px}
.article-cover{max-width:1080px;margin:0 auto 42px;padding:0 22px}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:28px;background:var(--bg-soft)}
.article-body{max-width:760px;margin:0 auto;padding:0 22px 60px;font-size:1.06rem}
.article-body p{margin:0 0 1.25em}
.article-body .article-tags{display:flex;gap:8px;flex-wrap:wrap;margin:30px 0}
.article-tags span{padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.84rem}
.related-strip{max-width:1080px;margin:0 auto;padding:0 22px 60px}
.related-strip h2{font-size:1.7rem}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{border-top:2px solid var(--dark);padding-top:14px}
.related-card h3{font-size:1.05rem;line-height:1.4;margin:0 0 6px}
.related-card p{font-size:.9rem;color:var(--muted)}
.search-results{max-width:900px;margin:0 auto;padding:40px 22px 70px}
.search-results h1{font-size:2.6rem;margin:.1em 0 .35em}
.search-summary{color:var(--muted)}
.result-list{margin-top:28px;border-top:1px solid var(--line)}
.result-item{padding:22px 0;border-bottom:1px solid var(--line)}
.result-item .result-type{font-size:.78rem;color:var(--primary);font-weight:800}
.result-item h2{font-size:1.2rem;margin:.2em 0 .3em}
.result-item h2 a{text-decoration:none}
.result-item p{margin:0;color:var(--muted)}
.empty-state{padding:30px;border:1px solid var(--line);border-radius:20px;background:var(--paper)}
.simple-table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.95rem}
.simple-table th,.simple-table td{text-align:left;vertical-align:top;padding:13px 12px;border-bottom:1px solid var(--line)}
.simple-table th{color:var(--dark);background:rgba(243,233,230,.5)}
.feedback-box{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px}
.feedback-box section{padding:24px;border:1px solid var(--line);border-radius:18px}
.feedback-box h2{font-size:1.2rem;margin-top:0}
.back-top{position:fixed;right:18px;bottom:18px;z-index:50;border:1px solid var(--line-strong);border-radius:999px;background:var(--paper);padding:10px 13px;box-shadow:var(--shadow);cursor:pointer}
.site-footer{margin-top:30px;background:var(--dark);color:#fff}
.footer-shell{max-width:var(--content);margin:0 auto;padding:56px 22px 42px;display:grid;grid-template-columns:.85fr 1.15fr;gap:60px}
.footer-intro p{color:#cfc4ca;max-width:480px}
.footer-brand{font-size:1.6rem;font-weight:800;text-decoration:none}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-links h2{font-size:.92rem;margin:0 0 13px;color:var(--peach)}
.footer-links a{display:block;color:#e7dfe3;text-decoration:none;padding:5px 0;font-size:.9rem}
.footer-bottom{max-width:var(--content);margin:0 auto;padding:18px 22px 28px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:20px;color:#b9aeb4;font-size:.82rem}
.footer-bottom p{margin:0}
.footer-bottom a{color:#d8cfd4}
@media (max-width:1024px){
    .desktop-nav{display:none}.menu-toggle{display:inline-block}
    .hero-editorial{grid-template-columns:1fr .72fr;gap:28px}.hero-note{left:-18px}
    .section-head{grid-template-columns:1fr;gap:12px}
    .article-grid{grid-template-columns:1fr}.footer-shell{grid-template-columns:1fr;gap:34px}
    .topic-index{grid-template-columns:1fr}.topic-index-nav{border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px;display:flex;gap:14px;flex-wrap:wrap}
}
@media (max-width:768px){
    .header-shell{min-height:66px;padding:0 16px}.brand-mark img{width:30px;height:30px}.plain-button{padding:8px 11px}
    .hero-editorial{padding:40px 18px 34px;grid-template-columns:1fr}.hero-copy h1{font-size:clamp(2.35rem,12vw,4.1rem)}.hero-visual{max-width:560px}.hero-visual img{aspect-ratio:16/10}.hero-note{position:static;width:auto;margin:-24px 18px 0;transform:translateY(0)}
    .page-shell,.reading-shell,.breadcrumbs{padding-left:18px;padding-right:18px}
    .section{padding:44px 0}.section-tight{padding:30px 0}
    .route-split{grid-template-columns:1fr}.route-main{padding:26px 0;border-right:0;border-bottom:1px solid var(--line)}.route-side{padding:26px 0}
    .feature-band,.image-story,.guide-steps,.page-hero{grid-template-columns:1fr}.feature-copy{padding-right:0}.image-story img{min-height:280px;aspect-ratio:16/10}.image-story-copy{padding:32px 24px}
    .topic-ribbon{grid-template-columns:1fr}.topic-ribbon article,.topic-ribbon article:first-child,.topic-ribbon article:last-child{padding:22px 0;border-right:0;border-bottom:1px solid var(--line)}.topic-ribbon article:last-child{border-bottom:0}
    .guide-intro{position:static}.dual-note,.feedback-box{grid-template-columns:1fr}
    .article-teaser{grid-template-columns:130px 1fr}.page-hero{padding:34px 18px 30px;gap:24px}.page-hero img{aspect-ratio:16/9}
    .link-index{grid-template-columns:1fr}.link-index a,.link-index a:nth-child(even){padding:20px 0;border-right:0}
    .related-list{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}
}
@media (max-width:600px){
    .header-actions{gap:4px}.brand-mark span{font-size:.94rem}.search-row{flex-direction:column}.search-row input,.accent-button{width:100%}
    .section-head h2{font-size:2rem}.editorial-row{grid-template-columns:52px 1fr}.editorial-row>a{grid-column:2;white-space:normal}
    .article-teaser{grid-template-columns:1fr}.article-teaser .teaser-image img{aspect-ratio:16/9}.footer-links{grid-template-columns:1fr}
    .compact-list li{grid-template-columns:1fr}.compact-list span{display:none}.article-header{padding-top:26px}.article-cover{margin-bottom:30px}
}
@media (max-width:375px){
    .header-shell{padding:0 12px;gap:8px}.brand-mark{gap:7px}.brand-mark img{width:28px;height:28px}.plain-button{padding:7px 9px;font-size:.86rem}
    .hero-editorial{padding-left:14px;padding-right:14px}.page-shell,.reading-shell,.breadcrumbs,.article-header,.article-cover,.article-body,.related-strip{padding-left:14px;padding-right:14px}
}