@charset "UTF-8";
:root{--brand:#6D28D9;--brand-soft:#A78BFA;--ink:#27242D;--muted:#716B78;--dark:#17151C;--bg:#F7F5FA;--soft:#ECE8F2;--accent:#F59E0B;--white:#fff;--line:#ddd7e6;--radius:18px;--shadow:0 14px 40px rgba(39,36,45,.08);--shell:min(1180px,calc(100% - 40px));--narrow:min(780px,calc(100% - 40px));}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.72;text-rendering:optimizeLegibility}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:var(--shell);margin-inline:auto}.narrow{width:var(--narrow);margin-inline:auto}.site-main{min-height:60vh}.skip-link{position:fixed;left:16px;top:12px;z-index:200;background:var(--white);padding:10px 14px;border-radius:8px;transform:translateY(-150%)}.skip-link:focus{transform:none}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,245,250,.96);border-bottom:1px solid rgba(113,107,120,.15);backdrop-filter:blur(14px)}.site-header__inner{min-height:78px;display:flex;align-items:center;gap:24px}.brand-mark{display:flex;align-items:center;gap:12px;min-width:max-content}.brand-mark img{width:44px;height:44px;object-fit:contain}.brand-mark span{display:grid;line-height:1.15}.brand-mark strong{font-size:1.12rem}.brand-mark small{margin-top:5px;color:var(--muted);font-size:.78rem}.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.site-nav a{padding:10px 12px;border-radius:10px;color:var(--muted);font-size:.94rem}.site-nav a:hover,.site-nav a.is-active{background:var(--soft);color:var(--brand)}.search-trigger,.menu-toggle{border:1px solid var(--line);background:var(--white);padding:10px 14px;border-radius:10px;color:var(--ink)}.menu-toggle{display:none}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:300;display:grid;place-items:start center;padding-top:12vh}.search-modal__backdrop{position:absolute;inset:0;background:rgba(23,21,28,.64)}.search-modal__panel{position:relative;width:min(680px,calc(100% - 32px));background:var(--white);border-radius:24px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.25)}.search-modal__close{position:absolute;right:18px;top:18px;border:0;background:var(--soft);border-radius:999px;padding:8px 12px}.search-form label{display:block;font-weight:700;margin-bottom:8px}.search-form__row{display:flex;gap:10px}.search-form input,.stack-form input,.stack-form textarea{width:100%;border:1px solid var(--line);background:var(--white);border-radius:12px;padding:12px 14px;color:var(--ink)}.search-form input{min-width:0}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--brand);background:var(--brand);color:var(--white);border-radius:12px;padding:11px 16px;font-weight:700}.button:hover{filter:brightness(.96)}.button--ghost{background:transparent;color:var(--brand)}.action-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.eyebrow{display:inline-block;color:var(--brand);font-weight:800;letter-spacing:.06em;font-size:.78rem;text-transform:uppercase}.hero-editorial{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding-block:70px 58px}.hero-editorial__copy h1,.page-lead h1,.article-page__header h1,.search-page h1{font-size:clamp(2rem,5vw,4.3rem);line-height:1.08;letter-spacing:-.035em;margin:12px 0 20px}.hero-lead,.page-lead p,.article-deck{font-size:1.08rem;color:var(--muted);max-width:760px}.hero-links{display:grid;gap:12px;margin-top:30px}.hero-links a{display:grid;grid-template-columns:minmax(160px,.7fr) 1fr;gap:20px;padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.68)}.hero-links a:hover{border-color:var(--brand-soft);box-shadow:var(--shadow)}.hero-links strong{color:var(--brand)}.hero-links span{color:var(--muted)}.hero-editorial__media{margin:0;background:var(--dark);border-radius:26px;padding:14px;box-shadow:var(--shadow)}.hero-editorial__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}.hero-editorial__media figcaption{color:#d9d2e3;font-size:.84rem;padding:12px 4px 2px}
.section{padding-block:70px}.section--dark{background:var(--dark);color:#f6f3f9}.section--soft{background:var(--soft)}.section--purple-line{border-block:1px solid #d7cbed;background:linear-gradient(180deg,#f7f5fa,#f1edf7)}.split-intro{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}.split-intro h2,.section-heading h2,.narrow-copy h2,.topic-band h2,.route-list strong{line-height:1.2}.split-intro h2{font-size:clamp(1.7rem,3vw,2.6rem);margin:10px 0}.split-intro p{color:#d9d2e3;margin-top:0}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:800;border-bottom:1px solid rgba(109,40,217,.28)}.text-link::after{content:"→"}.text-link--light{color:#d9c8ff;border-color:#5e4a78}.section-heading{margin-bottom:28px}.section-heading h2{font-size:clamp(1.6rem,3vw,2.45rem);margin:8px 0 10px}.section-heading p{color:var(--muted);margin:0;max-width:760px}.section-heading--split{display:flex;justify-content:space-between;gap:36px;align-items:end}.section-heading--split>p,.section-heading--split>.text-link{max-width:440px;margin-bottom:10px}.feature-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:24px;padding:18px}.feature-strip img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px}.feature-strip>div{padding:18px}.feature-strip h3{font-size:1.6rem;line-height:1.25;margin:0 0 10px}.feature-strip p{color:var(--muted)}
.category-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.category-index__item{display:grid;grid-template-columns:118px 1fr;gap:16px;align-items:center;background:var(--white);border:1px solid var(--line);padding:12px;border-radius:16px}.category-index__item:hover{border-color:var(--brand-soft)}.category-index__item img{width:118px;height:86px;object-fit:cover;border-radius:12px}.category-index__item span{display:grid;gap:5px}.category-index__item strong{font-size:1.05rem}.category-index__item small{color:var(--muted);line-height:1.55}.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-grid--mixed .article-card:nth-child(1),.article-grid--mixed .article-card:nth-child(5){grid-column:span 2}.article-card{overflow:hidden;background:var(--white);border:1px solid var(--line);border-radius:18px}.article-card__media{display:block;overflow:hidden}.article-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s ease}.article-card:hover .article-card__media img{transform:scale(1.02)}.article-card__body{padding:18px}.article-card h3{font-size:1.16rem;line-height:1.4;margin:7px 0 8px}.article-card h3 a:hover{color:var(--brand)}.article-card p{color:var(--muted);font-size:.94rem;margin:0 0 14px}.article-card--compact{border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent}.article-card--compact .article-card__body{padding:18px 0}.article-list{display:grid;gap:0}.note-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.note-grid article{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:16px;padding:18px}.note-grid h2{font-size:1rem;line-height:1.35;margin:0 0 8px}.note-grid p{color:var(--muted);font-size:.9rem;margin:0}.narrow-wide{display:grid;grid-template-columns:.82fr 1.18fr;gap:46px;align-items:center}.narrow-copy p{color:var(--muted)}.narrow-wide>img{width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:22px}.topic-band{display:grid;grid-template-columns:280px 1fr;gap:34px;align-items:center}.topic-band img{width:280px;aspect-ratio:1/1;object-fit:cover;border-radius:50%}.topic-band p{color:var(--muted);max-width:760px}.route-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.route-list a{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;border-top:1px solid var(--line);padding:18px 0}.route-list a:hover strong{color:var(--brand)}.route-list span{color:var(--muted);font-size:.92rem}.page-lead{display:grid;grid-template-columns:1.12fr .88fr;gap:50px;align-items:center;padding-block:52px 60px}.page-lead--compact{grid-template-columns:1.25fr .75fr}.page-lead img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}.page-lead--compact img{aspect-ratio:4/3}.page-lead h1{font-size:clamp(2rem,4vw,3.6rem)}
.breadcrumb{padding-top:22px;font-size:.86rem;color:var(--muted)}.breadcrumb ol{list-style:none;display:flex;gap:8px;align-items:center;padding:0;margin:0;flex-wrap:wrap}.breadcrumb li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa2b1}.breadcrumb a:hover{color:var(--brand)}.prose-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:60px;align-items:start}.prose{max-width:820px}.prose h2,.article-page__body h2{font-size:1.55rem;line-height:1.3;margin:38px 0 10px}.prose p,.article-page__body p{color:#4f4955}.side-index{position:sticky;top:108px;background:var(--white);border:1px solid var(--line);border-radius:18px;padding:22px}.side-index h2{font-size:1.15rem;margin-top:0}.side-index ul{padding-left:20px;color:var(--muted)}.side-index .button{width:100%;margin-top:10px}.callout{display:block;margin:28px 0;padding:20px;border-left:4px solid var(--accent);background:#fff8e9;border-radius:0 14px 14px 0}.callout strong{display:block}.callout span{display:block;color:var(--brand);font-weight:800;word-break:break-all;margin:5px 0}.callout p{margin-bottom:0}.video-path{display:grid;grid-template-columns:1fr 1fr;gap:50px}.video-path p{color:#d9d2e3}.editorial-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.editorial-columns section{background:var(--bg);padding:24px}.editorial-columns h3{margin-top:0}.editorial-columns p{color:var(--muted)}.filter-bar{padding-top:24px;padding-bottom:34px}.filter-bar h2{font-size:1rem}.tag-list{display:flex;flex-wrap:wrap;gap:9px}.tag-list a{padding:8px 12px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:.9rem}.tag-list a:hover,.tag-list a.is-current{background:var(--brand);color:var(--white);border-color:var(--brand)}.pagination{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}.pagination a,.pagination span{padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--white)}.pagination .is-current{background:var(--brand);color:var(--white);border-color:var(--brand)}.timeline{display:grid}.timeline article{display:grid;grid-template-columns:130px 1fr;gap:28px;padding:24px 0;border-bottom:1px solid var(--line)}.timeline time{color:var(--muted);font-size:.9rem}.timeline h2{font-size:1.3rem;margin:4px 0 6px}.timeline h2 a:hover{color:var(--brand)}.timeline p{color:var(--muted);margin:0}.article-page{padding-block:44px 20px}.article-page__header{max-width:900px;margin:0 auto;text-align:left}.article-page__header h1{font-size:clamp(2rem,4.6vw,4rem)}.article-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.88rem;margin-top:18px}.article-hero{max-width:1040px;margin:34px auto 0}.article-hero img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:24px}.article-page__body{max-width:820px;margin:38px auto 0;font-size:1.03rem}.search-page{padding-block:72px}.search-page h1{font-size:clamp(2rem,4vw,3.5rem)}.search-form--page{max-width:760px;margin-block:28px}.empty-state{max-width:760px;border-top:1px solid var(--line);padding-top:28px}.empty-state p{color:var(--muted)}.faq-list{max-width:900px}.faq-item{border-bottom:1px solid var(--line)}.faq-item h2{margin:0}.faq-item button{width:100%;border:0;background:transparent;display:flex;justify-content:space-between;gap:20px;text-align:left;padding:22px 0;font-size:1.08rem;font-weight:800;color:var(--ink)}.faq-item button span{color:var(--brand)}.faq-answer{padding:0 0 20px;color:var(--muted)}.faq-answer p{margin:0}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.contact-form-wrap{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:24px}.stack-form{display:grid;gap:10px}.stack-form textarea{resize:vertical}.notice{padding:16px;border-radius:12px;margin-bottom:18px}.notice--success{background:#eef8ed;border:1px solid #bdd9b7}.notice--error{background:#fff0ef;border:1px solid #edc2bf}.notice p{margin-bottom:0}
.site-footer{background:var(--dark);color:#e9e4ee;margin-top:40px;padding-top:54px}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:36px}.site-footer h2{font-size:1rem;margin:0 0 12px}.site-footer p,.site-footer li{color:#bdb5c6;font-size:.9rem}.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.site-footer a:hover{color:#fff}.footer-bottom{border-top:1px solid #332d3a;margin-top:38px;padding-block:18px}.footer-bottom p{margin:0}.back-top{position:fixed;right:18px;bottom:18px;border:0;width:44px;height:44px;border-radius:50%;background:var(--brand);color:var(--white);font-size:1.2rem;box-shadow:var(--shadow)}.error-page{padding-block:110px}.error-page h1{font-size:clamp(2rem,5vw,4rem);margin:10px 0}.error-page p{color:var(--muted)}
@media (max-width:1100px){.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-grid--mixed .article-card:nth-child(1),.article-grid--mixed .article-card:nth-child(5){grid-column:span 1}.note-grid{grid-template-columns:repeat(3,1fr)}.editorial-columns{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.site-nav{gap:0}.site-nav a{padding-inline:9px}.brand-mark small{display:none}}
@media (max-width:900px){:root{--shell:min(100% - 28px,1180px);--narrow:min(100% - 28px,780px)}.menu-toggle{display:inline-flex;margin-left:auto}.site-nav{position:absolute;left:14px;right:14px;top:72px;display:none;flex-direction:column;align-items:stretch;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.site-nav.is-open{display:flex}.search-trigger{margin-left:0}.hero-editorial,.page-lead,.page-lead--compact,.feature-strip,.narrow-wide,.topic-band,.prose-layout,.contact-layout{grid-template-columns:1fr}.hero-editorial{padding-top:44px}.hero-editorial__media{max-width:720px}.split-intro,.video-path{grid-template-columns:1fr;gap:20px}.category-index{grid-template-columns:1fr}.note-grid{grid-template-columns:repeat(2,1fr)}.topic-band img{width:200px;aspect-ratio:4/3;border-radius:18px}.side-index{position:static}.page-lead img,.page-lead--compact img{max-height:360px}.route-list{grid-template-columns:1fr}.article-page__header{max-width:none}.article-page__body{max-width:none}}
@media (max-width:700px){.site-header__inner{min-height:68px;gap:10px}.brand-mark img{width:38px;height:38px}.brand-mark strong{font-size:1rem}.search-trigger{padding:9px 11px}.hero-editorial__copy h1,.page-lead h1,.article-page__header h1,.search-page h1{font-size:2.15rem}.hero-links a{grid-template-columns:1fr;gap:6px}.section{padding-block:48px}.section-heading--split{align-items:flex-start;flex-direction:column;gap:8px}.article-grid{grid-template-columns:1fr}.note-grid{grid-template-columns:1fr}.editorial-columns{grid-template-columns:1fr}.timeline article{grid-template-columns:1fr;gap:5px}.footer-grid{grid-template-columns:1fr 1fr}.search-form__row{flex-direction:column}.search-form__row .button{width:100%}.category-index__item{grid-template-columns:92px 1fr}.category-index__item img{width:92px;height:78px}.article-hero img{aspect-ratio:4/3}.article-meta{display:grid;gap:5px}.page-lead{padding-top:34px}.page-lead img{order:-1}.topic-band img{width:100%;max-height:260px}.route-list a{grid-template-columns:1fr;gap:4px}.narrow-wide>img{aspect-ratio:16/9}}
@media (max-width:460px){:root{--shell:calc(100% - 22px);--narrow:calc(100% - 22px)}.site-header__inner{gap:8px}.brand-mark span{display:none}.menu-toggle,.search-trigger{font-size:.86rem;padding:8px 10px}.hero-editorial{gap:28px}.hero-editorial__copy h1,.page-lead h1,.article-page__header h1,.search-page h1{font-size:1.82rem}.hero-lead,.page-lead p,.article-deck{font-size:1rem}.category-index__item{grid-template-columns:1fr}.category-index__item img{width:100%;height:140px}.footer-grid{grid-template-columns:1fr}.action-row .button{width:100%}.search-modal__panel{padding:28px 20px}.section{padding-block:42px}}

.checklist-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.checklist-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:22px}.checklist-card__num{display:inline-grid;place-items:center;width:42px;height:30px;border-radius:999px;background:var(--soft);color:var(--brand);font-weight:800;font-size:.8rem}.checklist-card h2{font-size:1.18rem;line-height:1.4;margin:12px 0 16px}.checklist-card h3{font-size:.88rem;color:var(--brand);margin:18px 0 4px}.checklist-card p{color:var(--muted);font-size:.94rem;margin:0}.reference-links{margin-top:34px;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px}.reference-links h2{width:100%;font-size:1.1rem}.reference-links a{border:1px solid var(--line);background:var(--white);border-radius:999px;padding:8px 12px;color:var(--brand);font-weight:700}@media(max-width:760px){.checklist-grid{grid-template-columns:1fr}}