.portal{--bg:#f5f6f8;--surface:#ffffff;--surface-2:#f0f2f6;--surface-3:#e9ecf2;--ink:#161a22;--ink-2:#4a515f;--ink-3:#8a92a2;--line:#e7e9f0;--line-2:#d4d8e2;--accent:#4f46e5;--accent-soft:#ecedfe;--accent-ink:#4035c2;--teal:#0d9488;--teal-soft:#d6f3ef;--amber:#b45309;--amber-soft:#fbe6ce;--rose:#be123c;--rose-soft:#fde2e7;--r:14px;--r-pill:999px;--shadow:0 1px 2px rgba(20,30,60,0.05),0 10px 30px rgba(20,30,60,0.07);--shadow-sm:0 1px 2px rgba(20,30,60,0.06);background:var(--surface);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,system-ui,sans-serif;min-height:100vh}.portal *,.portal :after,.portal :before{box-sizing:border-box}.portal .nav{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--surface);z-index:20}.portal .nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:22px;padding:14px 26px}.portal .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);text-decoration:none}.portal .logo .mark{width:30px;height:30px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff}.portal .logo .mark svg{width:17px;height:17px}.portal .logo .dom{color:var(--ink-3);font-weight:600;font-size:13px}.portal .navlinks{display:flex;gap:4px;margin-left:8px}.portal .navlinks a{font-size:14px;color:var(--ink-2);text-decoration:none;padding:7px 12px;border-radius:9px;font-weight:600}.portal .navlinks a:hover{background:var(--surface-2);color:var(--ink)}.portal .navlinks a.on{color:var(--accent-ink);background:var(--accent-soft)}.portal .navright{margin-left:auto;display:flex;align-items:center;gap:10px}.portal .lk{color:var(--ink-2);padding:8px 12px}.portal .cta,.portal .lk{font-size:14px;font-weight:700;text-decoration:none}.portal .cta{color:#fff;background:var(--accent);border-radius:10px;padding:9px 18px}.portal .cta:hover{background:var(--accent-ink)}.portal .avatar{width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}.portal .hero{padding:60px 26px 52px;text-align:center;background:linear-gradient(180deg,#fbfbff,#ffffff);border-bottom:1px solid var(--line)}.portal .hero .kx{font-size:13px;font-weight:800;letter-spacing:.04em;color:var(--accent-ink);background:var(--accent-soft);display:inline-block;padding:5px 13px;border-radius:var(--r-pill)}.portal .hero h1{font-size:38px;font-weight:800;color:var(--ink);margin:18px 0 0;letter-spacing:-.01em}.portal .hero h1 .accent{color:var(--accent)}.portal .hero p{font-size:16px;color:var(--ink-2);max-width:600px;margin:16px auto 0;line-height:1.65}.portal .herobtns{display:flex;gap:14px;justify-content:center;margin-top:28px;flex-wrap:wrap}.portal .section{max-width:1100px;margin:0 auto;padding:36px 26px 8px}.portal .section h2{font-size:20px;font-weight:800;color:var(--ink)}.portal .section .sub{font-size:13.5px;color:var(--ink-3);margin-top:3px}.portal .wrap{max-width:1100px;margin:0 auto;padding:0 26px}.portal .btn{text-decoration:none;font-weight:700;font-size:15px;padding:13px 26px;border-radius:12px;display:inline-flex;align-items:center;gap:7px;cursor:pointer;border:none}.portal .btn-primary{background:var(--accent);color:#fff}.portal .btn-primary:hover{background:var(--accent-ink)}.portal .btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line-2)}.portal .btn-ghost:hover{background:var(--surface-2)}.portal .btn-sm{padding:8px 14px;font-size:13px;border-radius:9px}.portal .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:14px 0 4px}.portal .cards-2{grid-template-columns:repeat(2,1fr)}.portal .card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 18px;box-shadow:var(--shadow-sm);transition:box-shadow .15s,border-color .15s,transform .15s;text-decoration:none;color:inherit;display:block}.portal a.card:hover{box-shadow:var(--shadow);border-color:var(--accent);transform:translateY(-2px)}.portal .card .ic{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;margin-bottom:13px}.portal .card .ic svg{width:22px;height:22px}.portal .ic.i1{background:var(--accent-soft);color:var(--accent-ink)}.portal .ic.i2{background:var(--teal-soft);color:#0a6f66}.portal .ic.i3{background:var(--amber-soft);color:var(--amber)}.portal .ic.i4{background:#eef2ff;color:#3730a3}.portal .ic.i6{background:var(--surface-3);color:var(--ink-2)}.portal .card h3{font-size:16px;font-weight:800;color:var(--ink);margin:0}.portal .card p{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.55}.portal .card .more{margin-top:11px;font-size:13px;font-weight:700;color:var(--accent)}.portal .product-eyebrow{font-size:11px;font-weight:850;letter-spacing:0;text-transform:uppercase;color:var(--ink-3);margin-bottom:5px}.portal .product-english{font-size:12.5px;color:var(--accent-ink);margin-top:3px;font-weight:650}.portal .card.hz{display:flex;align-items:flex-start;gap:16px}.portal .card.hz .ic{margin-bottom:0;flex-shrink:0;width:54px;height:54px;border-radius:14px}.portal .card.hz .ic svg{width:27px;height:27px}.portal .card.hz .card-body{min-width:0}.portal .card.hz .card-body .more,.portal .card.hz .card-body h3,.portal .card.hz .card-body p{margin-top:0}.portal .card.hz .card-body p{margin-top:6px}.portal .card.hz .card-body .more{margin-top:9px}.portal .badge{font-size:11px;font-weight:800;border-radius:var(--r-pill);padding:3px 9px;display:inline-block}.portal .bd-amber{color:var(--amber);background:var(--amber-soft)}.portal .bd-teal{color:#0a6f66;background:var(--teal-soft)}.portal .bd-accent{color:var(--accent-ink);background:var(--accent-soft)}.portal .badge-corner{position:absolute;top:16px;right:16px}.portal .strip{max-width:1100px;margin:34px auto 0}.portal .strip-inner{margin:0 26px;background:var(--accent);border-radius:16px;padding:26px 30px;display:flex;align-items:center;gap:22px;color:#fff;flex-wrap:wrap}.portal .strip-inner h3{font-size:18px;font-weight:800;margin:0}.portal .strip-inner p{font-size:13.5px;opacity:.92;margin:5px 0 0;max-width:620px;line-height:1.55}.portal .strip-inner .sbtn{margin-left:auto;background:#fff;color:var(--accent-ink);font-weight:800;font-size:14px;padding:11px 22px;border-radius:11px;text-decoration:none;white-space:nowrap}.portal .field{margin-bottom:15px}.portal .field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:6px}.portal .field input,.portal .field select,.portal .field textarea{width:100%;font:inherit;font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line-2);border-radius:10px;padding:11px 13px;outline:none}.portal .field input:focus,.portal .field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.portal .twocol{display:grid;grid-template-columns:1fr 1fr;gap:12px}.portal .info{border-radius:12px;padding:13px 16px;font-size:13px;line-height:1.55}.portal .info-teal{background:var(--teal-soft);color:#0a6f66}.portal .info-accent{background:var(--accent-soft);color:var(--accent-ink)}.portal .ft{max-width:1100px;margin:44px auto 0;padding:24px 26px 40px;border-top:1px solid var(--line);display:flex;align-items:center;gap:16px;color:var(--ink-3);font-size:12.5px;flex-wrap:wrap}.portal .ft .gd{margin-left:auto}.portal .chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}.portal .fchip{font-size:13px;font-weight:700;color:var(--ink-2);background:var(--surface-2);border:none;border-radius:var(--r-pill);padding:7px 15px;cursor:pointer}.portal .fchip:hover{background:var(--surface-3)}.portal .fchip.on{background:var(--accent-soft);color:var(--accent-ink)}.portal .fchip.on-amber{background:var(--amber-soft);color:var(--amber)}.portal .panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);padding:6px 20px}.portal .row{display:flex;align-items:flex-start;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}.portal .row:last-child{border-bottom:none}.portal a.row{text-decoration:none;color:inherit}.portal .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);margin-top:14px}.portal .feature{display:grid;grid-template-columns:1.1fr 1fr;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:26px}.portal .feature .cover{background:linear-gradient(135deg,var(--accent),#6d63f0);display:flex;align-items:center;justify-content:center;color:#fff;min-height:200px}.portal .feature .cover svg{width:64px;height:64px;opacity:.92}.portal .feature .body{padding:26px 28px}.portal .feature .body h2{font-size:21px;font-weight:800;color:var(--ink);line-height:1.35;margin:8px 0 0}.portal .feature .body p{font-size:13.5px;color:var(--ink-2);line-height:1.6;margin-top:10px}.portal .art .t{font-size:16px;font-weight:800;color:var(--ink);margin-top:6px}.portal a.art:hover .t{color:var(--accent)}.portal .art p{font-size:13px;color:var(--ink-2);margin-top:5px;line-height:1.55}.portal .art .thumb{width:104px;height:74px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff}.portal .jhero{background:linear-gradient(180deg,#fff8ef,#ffffff);border:1px solid var(--line);border-radius:16px;padding:28px 30px;margin-bottom:24px;display:flex;gap:18px;align-items:center}.portal .jhero .jic{width:54px;height:54px;border-radius:14px;background:var(--amber-soft);color:var(--amber);display:flex;align-items:center;justify-content:center;flex-shrink:0}.portal .jhero .jic svg{width:28px;height:28px}.portal .jhero h2{font-size:19px;font-weight:800;color:var(--ink);margin:0}.portal .jhero p{font-size:13.5px;color:var(--ink-2);margin-top:5px;line-height:1.6;max-width:680px}.portal .jcard .ji{width:40px;height:40px;border-radius:11px;background:var(--amber-soft);color:var(--amber);display:flex;align-items:center;justify-content:center;margin-bottom:12px}.portal .jcard .ji svg{width:20px;height:20px}.portal a.jcard:hover h3{color:var(--amber)}.portal .bic{width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.portal .bic svg{width:22px;height:22px}.portal .pagebtn{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}@media (max-width:860px){.portal .cards,.portal .cards-2{grid-template-columns:1fr}.portal .navlinks{display:none}.portal .hero h1{font-size:30px}.portal .twocol{grid-template-columns:1fr}}@media (max-width:760px){.portal .feature{grid-template-columns:1fr}.portal .art .thumb{display:none}}.portal .crumb{font-size:12.5px;color:var(--ink-3);margin-bottom:14px}.portal .crumb a{color:var(--ink-3);text-decoration:none}.portal .crumb a:hover{color:var(--accent)}.portal .info-amber{background:var(--amber-soft);color:var(--amber)}.portal .b-ghost,.portal .b-primary,.portal .b-soft{text-decoration:none;font-weight:700;font-size:14px;padding:10px 18px;border-radius:11px;display:inline-flex;align-items:center;gap:7px;cursor:pointer;border:none}.portal .b-primary{background:var(--accent);color:#fff}.portal .b-primary:hover{background:var(--accent-ink)}.portal .b-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line-2)}.portal .b-ghost:hover{background:var(--surface-2)}.portal .b-soft{background:var(--accent-soft);color:var(--accent-ink)}.portal .b-ghost:disabled,.portal .b-primary:disabled,.portal .b-soft:disabled{opacity:.55;cursor:not-allowed}.portal .ask-hero{background:linear-gradient(135deg,#4f46e5,#6d63f0);border-radius:20px;padding:30px 32px;color:#fff;margin:6px 0 30px}.portal .ask-hero h2{font-size:23px;font-weight:800;line-height:1.4;margin:0;color:#fff}.portal .ask-hero .sub{font-size:14px;opacity:.92;margin-top:8px;color:#fff}.portal .ask-bar{display:flex;gap:10px;background:#fff;border-radius:14px;padding:8px 8px 8px 16px;margin-top:18px;box-shadow:0 8px 24px rgba(20,20,60,.18)}.portal .ask-bar svg{width:22px;height:22px;color:var(--ink-3);flex-shrink:0;align-self:center}.portal .ask-bar input{flex:1;border:none;outline:none;font:inherit;font-size:16px;color:var(--ink);background:transparent}.portal .ask-bar .go{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:0 22px;font-weight:800;font-size:15px;cursor:pointer}.portal .ask-bar .go:disabled{opacity:.6;cursor:not-allowed}.portal .ask-foot{font-size:12.5px;opacity:.92;margin-top:16px;display:flex;align-items:center;gap:7px}.portal .ask-foot .dot{width:7px;height:7px;border-radius:50%;background:#9bf0c4;flex-shrink:0}.portal .hall{margin-top:14px}.portal .hall-head{display:flex;align-items:center;gap:14px;margin:30px 0 16px}.portal .hall-head .ic{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.portal .hall-head .ic svg{width:26px;height:26px}.portal .hall-head .ic-adult{background:var(--accent-soft);color:var(--accent-ink)}.portal .hall-head .ic-child{background:var(--amber-soft);color:var(--amber)}.portal .hall-head h2{font-size:21px;font-weight:800;color:var(--ink);margin:0}.portal .hall-head .sub{font-size:13px;color:var(--ink-3);margin-top:2px}.portal .topic-g{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.portal .topic{display:block;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow-sm);transition:border-color .15s,transform .15s}.portal .topic:hover{border-color:var(--accent);transform:translateY(-2px)}.portal .topic .nm{font-size:16px;font-weight:800;color:var(--ink)}.portal .topic .ds{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.55}.portal .topic .cnt{font-size:12px;color:var(--ink-3);margin-top:12px}.portal .topic.cross{background:var(--surface-2);border-style:dashed}.portal .canon{display:grid;grid-template-columns:210px 1fr;gap:30px;align-items:start}.portal .toc{position:sticky;top:18px}.portal .toc .lb{font-size:12px;font-weight:800;color:var(--ink-3);letter-spacing:.04em;margin-bottom:10px}.portal .toc a{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;color:var(--ink-2);text-decoration:none;padding:9px 11px;border-radius:10px;margin-bottom:2px}.portal .toc a:hover{background:var(--surface-2);color:var(--ink)}.portal .toc a .n{width:20px;height:20px;flex-shrink:0;border-radius:6px;background:var(--surface-3);color:var(--ink-2);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800}.portal .c-head .t{font-size:30px;font-weight:800;color:var(--ink);line-height:1.3;margin-top:10px}.portal .c-head .by{font-size:13.5px;color:var(--ink-3);margin-top:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}.portal .c-head .by b{color:var(--ink-2)}.portal .sec-b{padding:26px 0 6px;scroll-margin-top:18px}.portal .sec-b+.sec-b{border-top:1px solid var(--line)}.portal .sec-b .h{display:flex;align-items:center;gap:11px;flex-wrap:wrap}.portal .sec-b .h .n{width:30px;height:30px;flex-shrink:0;border-radius:9px;background:var(--accent-soft);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-weight:800}.portal .sec-b .h h2{font-size:21px;font-weight:800;color:var(--ink);margin:0}.portal .prose{font-size:16.5px;line-height:1.9;color:#2b303b}.portal .prose p{margin:14px 0}.portal .prose strong{color:var(--ink)}.portal .factbox{background:var(--surface-2);border-radius:12px;padding:14px 16px;margin:14px 0}.portal .factbox .li{font-size:15px;color:var(--ink-2);padding:5px 0 5px 24px;position:relative;line-height:1.6}.portal .factbox .li:before{content:"·";position:absolute;left:8px;top:0;font-weight:900;color:var(--accent);font-size:20px}.portal .caveat{font-size:13.5px;color:#8a5a1e;background:var(--amber-soft);border-radius:11px;padding:12px 15px;margin:14px 0;line-height:1.6}@media (max-width:860px){.portal .topic-g{grid-template-columns:1fr}}@media (max-width:820px){.portal .canon{grid-template-columns:1fr}.portal .toc{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:6px}.portal .toc .lb{display:none}.portal .toc a{white-space:nowrap}.portal .toc a .n{display:none}}