:root{
    --brand:#B9473F;--accent:#E06A3B;--amber:#D89A45;--ink:#1E2026;--text:#2B2D31;--muted:#6F706F;
    --bg:#F7F4EF;--bg-soft:#EEE9E2;--line:#D9D2C8;--white:#FFFFFF;--max:1180px;
    --radius-lg:28px;--radius-md:18px;--radius-sm:12px;--shadow:0 18px 60px rgba(30,32,38,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;transition:top .2s}
.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,244,239,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,210,200,.8)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:22px}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:max-content}.brand img{width:44px;height:44px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.18}.brand strong{font-size:16px;color:var(--ink)}.brand small{margin-top:4px;font-size:12px;color:var(--muted)}
.main-nav{margin-left:auto}.main-nav ul{display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin:0}.main-nav a{display:block;padding:9px 10px;border-radius:9px;font-size:14px;color:#4d4f53}.main-nav a:hover,.main-nav a[aria-current="page"]{background:var(--bg-soft);color:var(--brand)}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:10px;padding:8px 11px;color:var(--ink)}
.search-toggle{border:0;background:var(--ink);color:#fff;border-radius:999px;padding:9px 15px;font-weight:700}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100}.search-backdrop{position:absolute;inset:0;background:rgba(30,32,38,.6);backdrop-filter:blur(4px)}.search-dialog{position:relative;width:min(calc(100% - 32px),660px);margin:12vh auto 0;background:var(--bg);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}.search-dialog h2{margin:.2em 0 .4em;font-size:clamp(26px,4vw,40px);line-height:1.15}.search-dialog>p:not(.eyebrow){color:var(--muted)}.search-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:32px;line-height:1;color:var(--muted)}
.search-form label{display:block;font-weight:700;margin-bottom:8px}.search-row{display:flex;gap:10px}.search-row input{min-width:0;flex:1;border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 14px;outline:none}.search-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(185,71,63,.12)}
.page-hero{padding:70px 0 54px}.compact-hero{padding-bottom:36px}.hero-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:56px;align-items:center}.hero-copy{max-width:700px}.eyebrow{margin:0 0 12px;color:var(--brand);font-weight:800;letter-spacing:.08em;font-size:13px;text-transform:uppercase}.hero-copy h1,.not-found h1{font-size:clamp(38px,6vw,72px);line-height:1.08;letter-spacing:-.035em;margin:0;color:var(--ink)}.hero-intro{font-size:clamp(17px,2vw,21px);color:#55575b;max-width:760px;margin:24px 0 0}.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:10px 18px;border-radius:999px;border:1px solid transparent;font-weight:800}.button-primary{background:var(--brand);color:#fff}.button-primary:hover{background:#a33c35}.button-secondary{border-color:var(--line);background:rgba(255,255,255,.54);color:var(--ink)}.button-secondary:hover{border-color:#bcb3a8;background:#fff}
.hero-media{margin:0;position:relative}.hero-media:before{content:"";position:absolute;inset:24px -18px -18px 22px;background:var(--bg-soft);border-radius:32px;z-index:-1}.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:32px;box-shadow:var(--shadow);background:#e7e0d7}
.breadcrumb{padding-top:24px}.breadcrumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;color:var(--muted);font-size:14px}.breadcrumb li:not(:last-child):after{content:"/";margin-left:8px;color:#b1aaa0}.breadcrumb a:hover{color:var(--brand)}
.content-stack{display:flex;flex-direction:column;gap:26px;padding-bottom:80px}.content-section{padding:44px;background:rgba(255,255,255,.42);border:1px solid rgba(217,210,200,.9);border-radius:var(--radius-lg)}.section-heading{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:start;margin-bottom:26px}.section-index{font-size:12px;font-weight:900;color:var(--amber);padding-top:8px}.section-heading h2{margin:0;color:var(--ink);font-size:clamp(26px,3.2vw,42px);line-height:1.18;letter-spacing:-.025em}.section-lead{margin:-8px 0 28px 62px;max-width:820px;color:var(--muted);font-size:17px}.editorial-paragraph{font-size:17px;max-width:880px;margin:0 0 18px 62px;color:#434549}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card-grid-compact{margin-top:32px}.topic-card{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:24px;min-height:190px;display:flex;flex-direction:column}.topic-card h3,.topic-card h2{margin:0 0 10px;color:var(--ink);font-size:20px;line-height:1.3}.topic-card p{margin:0 0 22px;color:var(--muted)}.topic-card a{margin-top:auto;color:var(--brand);font-weight:800}.topic-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(30,32,38,.06)}
.split-layout{display:grid;grid-template-columns:minmax(260px,.82fr) minmax(0,1.18fr);gap:34px;align-items:start}.split-visual{margin:0;position:sticky;top:100px}.split-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;background:var(--bg-soft)}.split-copy p{margin:0 0 18px;font-size:17px}.check-list{list-style:none;padding:0;margin:22px 0 0}.check-list li{position:relative;padding:12px 0 12px 28px;border-top:1px solid var(--line)}.check-list li:before{content:"•";position:absolute;left:7px;color:var(--brand);font-weight:900}
.steps-list{counter-reset:step;list-style:none;padding:0;margin:0 0 0 62px;max-width:900px}.steps-list li{display:grid;grid-template-columns:46px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--line)}.steps-list li:first-child{border-top:0}.step-no{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:800;font-size:13px}.steps-list p{margin:3px 0 0;font-size:17px}
.table-wrap{overflow-x:auto;margin-left:62px}.table-wrap table{width:100%;border-collapse:collapse;min-width:640px;background:#fff;border-radius:16px;overflow:hidden}.table-wrap th,.table-wrap td{text-align:left;vertical-align:top;padding:15px 16px;border-bottom:1px solid #ece7e0}.table-wrap th{background:var(--ink);color:#fff;font-size:14px}.table-wrap tr:last-child td{border-bottom:0}.table-wrap td{color:#47494e}
.content-band{margin-left:62px;padding:26px 28px;background:var(--ink);border-radius:20px;color:#fff}.content-band p{font-size:18px;margin:0 0 18px;max-width:900px}.content-band .text-link{color:#fff;border-color:rgba(255,255,255,.25)}
.note-box{margin-left:62px;padding:24px 26px;border-left:4px solid var(--accent);background:#fff8f4;border-radius:0 16px 16px 0}.note-box p{margin:0;font-size:17px}.text-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.text-link{display:inline-flex;align-items:center;padding:8px 11px;border:1px solid var(--line);border-radius:999px;color:var(--brand);font-weight:800;font-size:14px}.text-link:hover{background:#fff}
.faq-list{margin-left:62px;display:grid;gap:10px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.faq-item summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font-weight:800;color:var(--ink);position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:20px;top:14px;font-size:24px;color:var(--brand)}.faq-item[open] summary:after{content:"–"}.faq-item div{padding:0 20px 18px}.faq-item p{margin:0;color:var(--muted)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-left:62px}.tag-list a{padding:9px 13px;border-radius:999px;background:var(--bg-soft);color:var(--ink);font-weight:700}.tag-list a:hover{background:#e4ddd4;color:var(--brand)}
.search-result-list{display:grid;gap:12px;margin-left:62px}.search-result{padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:16px}.search-result h3{margin:0 0 8px}.search-result h3 a{color:var(--ink)}.search-result h3 a:hover{color:var(--brand)}.search-result p{margin:0 0 12px;color:var(--muted)}.result-path{font-size:13px;color:var(--brand);font-weight:700}.empty-state{margin-left:62px;background:#fff;border:1px solid var(--line);padding:28px;border-radius:18px}.empty-state h3{margin-top:0}.search-form-page{margin-top:28px;max-width:640px}
.not-found{padding:100px 0}.not-found-inner{max-width:900px}.not-found-inner>p:not(.eyebrow){font-size:19px;color:var(--muted);max-width:760px}
.site-footer{margin-top:20px;background:var(--ink);color:#f5f0e8;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}.brand-footer strong{color:#fff}.brand-footer small{color:#b9b7b0}.footer-brand p{color:#b9b7b0;max-width:380px}.footer-grid h2{font-size:15px;margin:4px 0 14px}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:8px 0}.footer-grid a:hover{color:#f0a46f}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;font-size:13px;color:#aaa9a4}.footer-bottom p{margin:0}
body.modal-open{overflow:hidden}
@media (max-width:1024px){.main-nav{position:absolute;left:20px;right:20px;top:68px;background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow);display:none}.main-nav.is-open{display:block}.main-nav ul{display:grid;grid-template-columns:repeat(2,1fr)}.main-nav a{padding:12px}.menu-toggle{display:inline-flex;margin-left:auto}.search-toggle{padding:8px 13px}.hero-layout{grid-template-columns:1fr;gap:34px}.hero-copy{max-width:none}.hero-media{max-width:760px}.split-layout{grid-template-columns:1fr}.split-visual{position:static;max-width:680px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){.container{width:min(calc(100% - 28px),var(--max))}.header-inner{min-height:68px;gap:10px}.brand small{display:none}.brand strong{font-size:14px}.brand img{width:38px;height:38px}.menu-toggle{font-size:13px}.search-toggle{font-size:13px}.main-nav{left:14px;right:14px;top:62px}.page-hero{padding:50px 0 36px}.hero-media:before{display:none}.hero-media img{border-radius:22px}.content-stack{gap:16px}.content-section{padding:28px 22px;border-radius:20px}.section-heading{grid-template-columns:38px 1fr;gap:8px}.section-lead,.editorial-paragraph,.steps-list,.table-wrap,.content-band,.note-box,.faq-list,.tag-list,.search-result-list,.empty-state{margin-left:46px}.card-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.search-dialog{padding:28px 22px}.search-row{flex-direction:column}.search-row .button{width:100%}}
@media (max-width:600px){.header-inner{flex-wrap:nowrap}.brand span{max-width:118px}.main-nav ul{grid-template-columns:1fr}.hero-copy h1,.not-found h1{font-size:clamp(34px,11vw,52px)}.hero-intro{font-size:17px}.hero-actions{display:grid}.hero-actions .button{width:100%}.content-section{padding:24px 18px}.section-heading{display:block}.section-index{display:block;padding:0 0 8px}.section-lead,.editorial-paragraph,.steps-list,.table-wrap,.content-band,.note-box,.faq-list,.tag-list,.search-result-list,.empty-state{margin-left:0}.split-layout{gap:22px}.steps-list li{grid-template-columns:38px 1fr}.table-wrap{margin-right:-4px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.search-dialog{margin-top:7vh}.search-toggle{border-radius:10px}.topic-card{min-height:0}}
@media (max-width:375px){.container{width:min(calc(100% - 20px),var(--max))}.brand img{width:34px;height:34px}.brand span{display:none}.header-inner{gap:8px}.menu-toggle,.search-toggle{padding:7px 10px}.content-section{padding:21px 15px}.page-hero{padding-top:42px}.hero-media img{border-radius:18px}}