*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F6EDE4;color:#2A241C;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.no-scroll{overflow:hidden}.top-strip{position:fixed;z-index:60;top:0;left:0;right:0;height:20px;background:#1A1612;color:#F6EDE4;font-size:12px}.top-inner,.head-inner,.quick-inner,.site-main,.footer-inner{width:min(960px,calc(100% - 32px));margin:0 auto}.top-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.brand-mini{font-weight:700;letter-spacing:.05em}.text-button{border:0;background:transparent;color:#F6EDE4;padding:0 2px;height:20px}.site-head{position:fixed;z-index:58;top:20px;left:0;right:0;height:54px;background:#FFF8F2;border-bottom:1px solid rgba(224,112,48,.5)}.head-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.logo-link{height:44px;min-width:56px;display:flex;align-items:center}.logo-img{height:24px;max-width:140px;object-fit:contain;object-position:center}.logo-fallback{font-size:16px;font-weight:800;letter-spacing:.08em}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;padding:0 14px;font-size:14px}.app-link{border:1px solid #E07030;background:#FFF8F2;color:#1A1612}.menu-button{border:0;background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:#FFF8F2}.quick-nav{position:fixed;z-index:56;top:74px;left:0;right:0;height:46px;background:#FFF8F2;border-bottom:1px solid rgba(26,22,18,.12)}.quick-inner{height:46px;display:flex;align-items:center;gap:28px}.quick-item{display:flex;align-items:center;gap:8px;font-size:13px;min-height:44px}.quick-box{width:18px;height:18px;border:1px solid #1A1612;border-radius:2px;background:transparent}.quick-item.is-current .quick-box{background:#E07030;border-color:#E07030}.site-main{padding-top:150px;padding-bottom:52px}.hero,.section{margin-bottom:36px}.hero h1,.page-head h1{font-size:24px;line-height:1.3;margin:10px 0 12px;color:#1A1612}.section h2,.content-grid h2,.clause h2,.method-block h2{font-size:20px;line-height:1.35;margin:0 0 12px;color:#1A1612}.section h3,.card h3,.note-card h3,.topic-card h3{font-size:16px;line-height:1.4;margin:0 0 8px}.eyebrow{font-size:12px;letter-spacing:.12em;color:#B06030;font-weight:700}.lead{font-size:16px;max-width:760px}.muted{color:#5A5048}.fine{color:#7A7068;font-size:13px}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn-primary,.btn-secondary{height:42px;padding:0 16px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:#FFF8F2}.btn-secondary{background:#FFF8F2;border:1px solid #E07030;color:#1A1612}.btn-primary:hover,.btn-secondary:hover,.app-link:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(224,112,48,.5);outline-offset:2px}.index-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.index-tabs a{background:#E07030;color:#FFF8F2;padding:10px 14px;border-radius:4px;min-height:44px;display:flex;align-items:center}.media-slot{background:#FFF8F2;border:1px solid rgba(26,22,18,.12);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.slant-row{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:28px;align-items:center;background:#F0E4D6;border-left:4px solid #E07030;padding:18px;clip-path:polygon(0 0,100% 0,96% 100%,0 100%)}.slant-row .media-slot{height:176px}.double-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.card,.topic-card,.note-card,.clause,.center-card{background:#FFF8F2;border:1px solid rgba(26,22,18,.12);border-radius:4px;box-shadow:0 12px 28px rgba(26,22,18,.1);padding:20px}.card .media-slot{height:180px;margin-bottom:14px}.page-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.page-sheet{background:#FFF8F2;border:1px solid rgba(224,112,48,.5);border-radius:3px;padding:22px;min-height:230px;position:relative}.page-sheet:after{content:"";position:absolute;right:10px;top:10px;bottom:10px;width:1px;background:rgba(26,22,18,.08)}.page-sheet .media-slot{height:170px;margin-bottom:14px}.shelf-head{display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:center;margin-bottom:16px}.shelf-head .media-slot{height:150px}.shelf-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.period-list{display:grid;gap:12px}.period-item{display:grid;grid-template-columns:84px 1fr;gap:16px;padding:16px;background:#FFF8F2;border-left:3px solid #E07030}.period-item strong{color:#B06030}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:start;background:#FFF8F2;border:1px solid rgba(26,22,18,.12);padding:14px}.status-label{display:inline-flex;justify-content:center;align-items:center;min-height:34px;background:#1A1612;color:#FFF8F2;border-radius:3px;padding:4px 8px}.app-feature{display:grid;grid-template-columns:minmax(180px,280px) 1fr;gap:28px;align-items:center}.app-feature .media-slot{height:320px}.app-icon-line{display:flex;gap:12px;align-items:center;margin:12px 0}.app-icon{width:52px;height:52px}.text-columns{columns:2;column-gap:36px}.text-columns p{break-inside:avoid}.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-mini details,.faq-list details{background:#FFF8F2;border:1px solid rgba(26,22,18,.12);border-radius:4px;padding:14px 16px}.faq-mini summary,.faq-list summary{font-weight:700;cursor:pointer;color:#1A1612}.faq-list{display:grid;gap:12px}.page-head{margin-bottom:24px}.page-head .media-slot{margin-top:16px;height:200px}.content-grid{display:grid;gap:18px}.content-grid.two{grid-template-columns:1fr 1fr}.content-grid.three{grid-template-columns:repeat(3,1fr)}.diagonal-list{display:grid;gap:14px}.diagonal-item{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center;background:#F0E4D6;padding:18px;border-bottom:2px solid #E07030}.diagonal-item:nth-child(even){grid-template-columns:1fr 220px}.diagonal-item:nth-child(even) .media-slot{order:2}.diagonal-item .media-slot{height:150px}.single-column{max-width:760px;margin:0 auto}.single-column .note-card{margin-bottom:14px}.memo-list{display:grid;gap:12px}.memo-item{background:#FFF8F2;border-left:5px solid #E07030;padding:18px 20px}.method-stack{display:grid;gap:20px}.method-block{padding:22px 0;border-bottom:1px solid rgba(26,22,18,.12)}.topic-list{display:grid;gap:14px}.topic-card{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:start}.topic-num{font-size:30px;line-height:1;color:#E07030;font-weight:800}.center-stack{max-width:720px;margin:0 auto;display:grid;gap:16px}.center-card{text-align:center}.terms{display:grid;gap:18px}.clause{box-shadow:none}.clause strong{color:#B06030}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-panel{background:#FFF8F2;border-top:4px solid #E07030;padding:20px}.about-brand{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center}.about-brand .media-slot{height:180px}.orange-panel{background:#E07030;color:#FFF8F2;padding:22px;border-radius:4px}.black-panel{background:#1A1612;color:#F6EDE4;padding:22px;border-radius:4px}.site-footer{background:#1A1612;color:#F6EDE4;border-top:1px solid #E07030;padding:34px 0 calc(34px + env(safe-area-inset-bottom));font-size:13px}.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:22px}.footer-brand strong{font-size:16px}.footer-brand span{letter-spacing:.14em;color:#E8D8C8}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-links h2{font-size:13px;color:#E07030;margin:0 0 8px}.footer-links a{display:block;min-height:32px;color:#F6EDE4}.footer-note{border-top:1px solid rgba(224,112,48,.5);padding-top:18px;margin-top:18px;color:#E8D8C8}.copyright{color:#BFAE9F}.overlay{position:fixed;z-index:70;inset:0;background:rgba(26,22,18,.52);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible}.drop-menu{position:fixed;z-index:72;top:84px;left:50%;transform:translate(-50%,-18px);width:320px;max-height:360px;background:#FFF8F2;border:1px solid rgba(224,112,48,.5);box-shadow:0 12px 28px rgba(26,22,18,.22);border-radius:5px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.drop-menu.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.menu-top{height:50px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid rgba(26,22,18,.12)}.menu-brand{display:flex;align-items:center;gap:8px}.menu-brand img{height:24px;max-width:100px;object-fit:contain}.close-button{min-height:40px;border:1px solid rgba(26,22,18,.12);background:#FFF8F2;color:#1A1612;border-radius:3px;padding:0 12px}.menu-scroll{max-height:308px;overflow:auto;padding:8px 14px 16px}.menu-group h2{font-size:12px;color:#B06030;margin:10px 0 4px}.menu-group a{display:block;padding:7px 0;border-bottom:1px solid rgba(26,22,18,.08)}.menu-group a span{font-weight:700;margin-right:8px}.menu-group a small{display:block;color:#5A5048;line-height:1.45}.search-panel{position:fixed;z-index:74;top:74px;left:50%;transform:translateX(-50%);width:min(640px,calc(100% - 32px));opacity:0;visibility:hidden;pointer-events:none}.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#FFF8F2;border:1px solid rgba(224,112,48,.5);box-shadow:0 12px 28px rgba(26,22,18,.18);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.search-card label{display:block;margin-bottom:8px;color:#5A5048}.search-card input{width:100%;height:44px;border:1px solid rgba(26,22,18,.2);background:#FFF8F2;color:#1A1612;padding:0 12px;border-radius:4px}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:40px;padding:0 12px;display:flex;align-items:center;border:1px solid #E07030;border-radius:3px}.search-empty{color:#7A7068}.mobile-bottom{display:none}.banner-slot{height:200px}.pianci-slot,.pianbei-slot{height:220px;margin-bottom:18px}.compact-media{height:170px}.legal-intro{border-left:4px solid #E07030;padding-left:16px}.check-list{padding-left:20px}.check-list li{margin-bottom:10px}
@media(max-width:760px){.top-inner,.head-inner,.site-main,.footer-inner{width:calc(100% - 32px)}.quick-nav{display:none}.site-main{padding-top:100px;padding-bottom:86px}.head-actions{gap:6px}.app-link,.menu-button{padding:0 10px}.slant-row,.double-cards,.page-pair,.shelf-cards,.content-grid.two,.content-grid.three,.contact-grid,.app-feature,.about-brand,.topic-card,.diagonal-item,.diagonal-item:nth-child(even),.shelf-head{grid-template-columns:1fr}.diagonal-item:nth-child(even) .media-slot{order:0}.slant-row{clip-path:none}.slant-row .media-slot{width:100%;max-width:300px}.text-columns{columns:1}.faq-mini{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.drop-menu{top:82px;width:88%;max-height:360px}.search-panel{inset:74px 0 0 0;width:100%;transform:none;background:#1A1612}.search-panel.is-open{display:block}.search-card{height:100%;background:#1A1612;color:#F6EDE4;border:0;border-radius:0;padding:22px 16px}.search-card label,.search-empty{color:#E8D8C8}.search-card input{background:#FFF8F2}.search-presets a{color:#F6EDE4}.search-card .close-button{background:#1A1612;color:#F6EDE4;border-color:#E07030}.mobile-bottom{position:fixed;z-index:55;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#1A1612;color:#F6EDE4;border-top:1px solid #E07030}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px}.mobile-bottom a.is-current{background:#E07030;color:#1A1612;font-weight:700}.site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.app-feature .media-slot{height:300px}.footer-brand{margin-bottom:16px}}
@media(max-width:420px){.footer-links{grid-template-columns:1fr}.site-main{width:calc(100% - 32px)}.period-item,.status-row{grid-template-columns:1fr}.page-head h1,.hero h1{font-size:24px}}