:root{
  --pink:#D96B9A;--pink-dark:#B94D7C;--mist:#B89ACB;--ink:#322D34;--muted:#756D78;
  --deep:#2B2530;--paper:#FFF9FC;--soft:#F5EDF3;--coral:#E88A62;--white:#fff;
  --line:rgba(50,45,52,.12);--shadow:0 18px 50px rgba(64,44,60,.09);--radius:24px;
  --shell:min(1180px,calc(100% - 40px));--reading:760px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}p{margin:0 0 1em}.shell{width:var(--shell);margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;background:var(--deep);color:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,107,154,.12)}.header-row{display:flex;align-items:center;justify-content:space-between;min-height:82px;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px;min-width:240px}.brand img{width:48px;height:48px;object-fit:contain;border-radius:14px;background:var(--soft)}.brand span{display:flex;flex-direction:column;line-height:1.25}.brand strong{font-size:1.12rem;letter-spacing:.03em}.brand small{margin-top:4px;color:var(--muted);font-size:.75rem}.site-nav{display:flex;align-items:center;gap:6px}.site-nav a{padding:10px 13px;border-radius:999px;color:var(--muted);font-size:.95rem;transition:.2s ease}.site-nav a:hover,.site-nav a[aria-current="page"]{background:var(--soft);color:var(--pink-dark)}.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);padding:10px 14px;border-radius:999px;color:var(--ink);cursor:pointer}.menu-toggle:focus-visible,.site-nav a:focus-visible,.btn:focus-visible,.inline-arrow:focus-visible,.text-link:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(232,138,98,.45);outline-offset:3px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-weight:800;color:var(--pink-dark);font-size:.77rem;margin-bottom:12px}.chip{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#fff0f6;color:var(--pink-dark);font-size:.78rem;font-weight:750;letter-spacing:.04em}.hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:64px;align-items:center;padding-block:76px 88px}.hero-copy h1,.page-intro h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.06;letter-spacing:-.04em;margin:0 0 24px;color:var(--deep)}.hero-lead,.lede{font-size:1.12rem;color:var(--muted);max-width:760px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:14px;font-weight:760;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.btn:hover{transform:translateY(-2px)}.btn.primary{background:var(--pink);color:#fff;box-shadow:0 12px 28px rgba(217,107,154,.24)}.btn.primary:hover{background:var(--pink-dark)}.btn.secondary{background:rgba(255,255,255,.82);border-color:var(--line);color:var(--deep)}.hero-notes{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-wrap:wrap;gap:12px 18px;color:var(--muted);font-size:.88rem}.hero-notes li{position:relative;padding-left:16px}.hero-notes li:before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--coral)}.hero-media{margin:0;position:relative}.hero-media:before{content:"";position:absolute;inset:10% -5% -8% 8%;z-index:-1;background:linear-gradient(145deg,rgba(217,107,154,.18),rgba(184,154,203,.15));border-radius:34px;filter:blur(2px)}.hero-media img{width:100%;aspect-ratio:1.18;object-fit:cover;border-radius:32px;box-shadow:var(--shadow)}.hero-media figcaption{font-size:.82rem;color:var(--muted);margin-top:12px}.section-heading{display:grid;grid-template-columns:minmax(180px,.5fr) minmax(0,1.35fr);column-gap:42px;row-gap:8px;align-items:start;margin-bottom:34px}.section-heading h2{grid-column:2;font-size:clamp(1.8rem,3.4vw,3.1rem);line-height:1.13;letter-spacing:-.03em;margin:0;color:var(--deep)}.section-heading>p:not(.eyebrow){grid-column:2;color:var(--muted);max-width:760px}.section-heading .eyebrow{grid-column:1;grid-row:1/3;padding-top:8px}.section-heading.narrow{display:block;max-width:760px}.section-heading.narrow h2,.section-heading.narrow>p{grid-column:auto}.focus-stream{padding-block:38px 92px}.feature-story{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:44px;align-items:center;background:var(--white);padding:22px;border-radius:30px;border:1px solid rgba(217,107,154,.12);box-shadow:var(--shadow)}.feature-story img{width:100%;height:100%;min-height:380px;object-fit:cover;border-radius:22px}.feature-story h3{font-size:2rem;line-height:1.2;margin:14px 0 14px}.feature-story p{color:var(--muted)}.inline-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--pink-dark);font-weight:760;margin-top:6px}.inline-arrow:after{content:"→";transition:transform .2s ease}.inline-arrow:hover:after{transform:translateX(4px)}.path-section{padding-block:18px 100px}.path-list{border-top:1px solid var(--line)}.path-item{display:grid;grid-template-columns:110px 1fr;gap:24px;padding:32px 0;border-bottom:1px solid var(--line)}.path-num{font-size:2rem;font-weight:850;color:var(--mist);letter-spacing:-.03em}.path-item h3{font-size:1.5rem;margin:0 0 8px}.path-item p{max-width:840px;color:var(--muted)}.path-item a{color:var(--pink-dark);font-weight:750}.band{background:var(--soft);padding:84px 0;margin-block:20px 88px}.split-copy{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.9fr);gap:60px;align-items:center}.split-copy.reverse{grid-template-columns:minmax(340px,.9fr) minmax(0,1fr)}.split-copy h2{font-size:clamp(2rem,3.5vw,3.25rem);line-height:1.12;letter-spacing:-.03em;margin:0 0 20px}.split-copy p{color:var(--muted);max-width:700px}.split-copy img{width:100%;aspect-ratio:1.35;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.compact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-bottom:96px}.compact-grid .section-heading{grid-column:1/-1}.compact-grid article{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:14px 14px 22px;overflow:hidden}.compact-grid article img{width:100%;aspect-ratio:1.55;object-fit:cover;border-radius:17px}.compact-grid article h3{margin:18px 8px 6px;font-size:1.3rem}.compact-grid article p{margin:0 8px 12px;color:var(--muted)}.compact-grid article a{display:inline-block;margin:0 8px;color:var(--pink-dark);font-weight:760}.closing-note{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:42px;margin-bottom:90px}.closing-note h2{font-size:2rem;line-height:1.2;margin:0}.closing-note>p{color:var(--muted);font-size:1.04rem}.page-intro{padding-block:54px 58px}.compact-intro{max-width:920px;margin-left:max(20px,calc((100% - 1180px)/2));margin-right:auto}.breadcrumb{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:.84rem;margin-bottom:30px}.breadcrumb a:hover{color:var(--pink-dark)}.breadcrumb span[aria-hidden]{opacity:.5}.intro-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);gap:54px;align-items:center}.intro-grid img{width:100%;aspect-ratio:1.4;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.page-intro p:not(.eyebrow):not(.lede){font-size:1.06rem;color:var(--muted);max-width:760px}.index-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px;align-items:start;padding-bottom:90px}.sticky-note{position:sticky;top:112px;background:var(--deep);color:#fff;padding:26px;border-radius:22px}.sticky-note h2{font-size:1.35rem;line-height:1.25}.sticky-note p{color:#d9d0dc;font-size:.92rem}.sticky-note a{display:block;border-top:1px solid rgba(255,255,255,.12);padding:12px 0;color:#f8dbe8;font-size:.9rem}.guide-list{border-top:1px solid var(--line)}.guide-row{display:grid;grid-template-columns:130px 1fr;gap:32px;padding:32px 0;border-bottom:1px solid var(--line)}.guide-meta span{display:inline-block;padding:5px 9px;background:var(--soft);border-radius:999px;font-size:.78rem;color:var(--pink-dark);font-weight:700}.guide-row h2{margin:0 0 10px;font-size:1.5rem;line-height:1.25}.guide-row p{color:var(--muted)}.guide-row ul{margin:14px 0 0;padding-left:20px;color:#5d5560}.guide-row li+li{margin-top:6px}.related-panel{width:var(--shell);margin:0 auto 88px;padding:30px;border:1px solid var(--line);border-radius:26px;background:rgba(255,255,255,.7);display:grid;grid-template-columns:.7fr 1.3fr;gap:44px}.related-panel h2{margin:0;font-size:1.7rem;line-height:1.25}.related-links{display:grid;gap:10px}.text-link{display:grid;grid-template-columns:210px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.text-link:last-child{border-bottom:0}.text-link strong{color:var(--pink-dark)}.text-link span{color:var(--muted);font-size:.92rem}.web-feature{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:44px;align-items:center;padding-bottom:74px}.web-feature img{width:100%;aspect-ratio:1.7;object-fit:cover;border-radius:26px}.web-feature h2{font-size:2rem;line-height:1.2;margin:12px 0}.web-feature p{color:var(--muted)}.topic-columns{column-count:2;column-gap:26px;padding-bottom:88px}.topic-columns article{break-inside:avoid;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:24px;margin-bottom:24px}.topic-columns h2{font-size:1.25rem;line-height:1.3;margin:0 0 10px}.topic-columns p{color:var(--muted);margin-bottom:0}.official-map{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch;padding-bottom:68px}.domain-card{display:flex;flex-direction:column;justify-content:center;background:var(--deep);color:#fff;border-radius:28px;padding:42px}.domain-card span{font-size:.84rem;color:#d7c9da}.domain-card strong{font-size:clamp(2rem,5vw,4rem);line-height:1.05;word-break:break-all;margin:10px 0 18px;color:#ffd9e9}.domain-card p{color:#d7c9da}.official-map img{width:100%;height:100%;object-fit:cover;border-radius:28px}.note-timeline{position:relative;padding-bottom:86px}.note-timeline:before{content:"";position:absolute;left:24px;top:20px;bottom:100px;width:1px;background:var(--line)}.note-timeline article{position:relative;display:grid;grid-template-columns:52px 1fr;gap:22px;padding:0 0 32px}.note-timeline article>span{position:relative;z-index:1;width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--paper);border:1px solid var(--line);color:var(--pink-dark);font-weight:800}.note-timeline h2{font-size:1.35rem;margin:4px 0 7px}.note-timeline p{color:var(--muted);max-width:820px}.checklist{padding-bottom:90px}.checklist article{display:grid;grid-template-columns:92px 1fr;gap:28px;padding:28px 0;border-top:1px solid var(--line)}.check-index{font-size:2rem;color:var(--mist);font-weight:850}.checklist h3{margin:0 0 8px;font-size:1.4rem}.checklist p{color:var(--muted);max-width:860px}.vip-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.8fr);gap:54px;align-items:start;padding-bottom:90px}.vip-copy img{border-radius:28px;aspect-ratio:1.6;object-fit:cover;margin-bottom:30px}.vip-copy h2{font-size:2rem;line-height:1.2}.vip-copy p{color:var(--muted)}.faq-stack{display:grid;gap:14px}.faq-stack details{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:0 18px}.faq-stack summary{cursor:pointer;list-style:none;font-weight:760;padding:18px 32px 18px 0;position:relative}.faq-stack summary::-webkit-details-marker{display:none}.faq-stack summary:after{content:"+";position:absolute;right:2px;top:14px;font-size:1.5rem;color:var(--pink-dark)}.faq-stack details[open] summary:after{content:"–"}.faq-stack details p{color:var(--muted);padding:0 0 18px;margin:0}.error-box{min-height:65vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;max-width:850px}.error-code{font-size:clamp(5rem,18vw,12rem);line-height:.82;font-weight:900;color:var(--soft);text-shadow:1px 0 var(--mist)}.error-box h1{font-size:clamp(2rem,5vw,4rem);margin:20px 0 12px}.error-box p{font-size:1.06rem;color:var(--muted);max-width:620px}.site-footer{background:var(--deep);color:#fff;padding:56px 0 20px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding-bottom:34px}.footer-grid strong{font-size:1.4rem}.footer-grid p{color:#cfc4d1;max-width:520px;margin-top:10px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 22px}.footer-links a{padding:8px 0;color:#eee3f0}.footer-links a:hover{color:#ffd5e6}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#a99eab;font-size:.82rem}
@media (max-width:980px){:root{--shell:min(100% - 28px,860px)}.menu-toggle{display:inline-flex}.site-nav{position:absolute;top:72px;right:14px;left:14px;display:none;flex-direction:column;align-items:stretch;background:var(--white);padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.site-nav.open{display:flex}.site-nav a{border-radius:10px;padding:12px}.hero,.intro-grid,.feature-story,.split-copy,.split-copy.reverse,.official-map,.vip-layout{grid-template-columns:1fr}.hero{gap:38px;padding-top:52px}.hero-media{max-width:760px}.feature-story img{min-height:0}.compact-grid{grid-template-columns:1fr 1fr}.compact-grid .section-heading{grid-column:1/-1}.index-layout{grid-template-columns:1fr}.sticky-note{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}.sticky-note .chip,.sticky-note h2,.sticky-note p{grid-column:1/-1}.sticky-note a{border-top:1px solid rgba(255,255,255,.12)}.related-panel{grid-template-columns:1fr}.web-feature{grid-template-columns:1fr}.section-heading{display:block}.section-heading .eyebrow{padding:0}.section-heading h2,.section-heading>p:not(.eyebrow){grid-column:auto}.closing-note{grid-template-columns:1fr;gap:20px}.compact-intro{width:var(--shell);margin-inline:auto}.topic-columns{column-count:1}}
@media (max-width:680px){:root{--shell:calc(100% - 24px)}body{font-size:15px}.site-header{position:relative}.header-row{min-height:72px}.brand{min-width:0}.brand img{width:42px;height:42px}.brand small{display:none}.hero{padding-block:38px 60px}.hero-copy h1,.page-intro h1{font-size:clamp(2.2rem,12vw,3.6rem)}.hero-actions{display:grid}.btn{width:100%}.hero-notes{display:grid;gap:7px}.hero-media img{border-radius:22px}.section-heading h2{font-size:2rem}.feature-story{padding:12px;border-radius:22px}.feature-story h3{font-size:1.55rem}.path-item{grid-template-columns:58px 1fr;gap:14px;padding:24px 0}.path-num{font-size:1.5rem}.band{padding:62px 0;margin-bottom:62px}.compact-grid{grid-template-columns:1fr;padding-bottom:70px}.page-intro{padding-block:36px 44px}.guide-row{grid-template-columns:1fr;gap:10px}.guide-meta{margin-bottom:2px}.sticky-note{grid-template-columns:1fr}.related-panel{padding:22px;margin-bottom:62px}.text-link{grid-template-columns:1fr;gap:2px}.official-map{gap:16px}.domain-card{padding:28px}.checklist article{grid-template-columns:56px 1fr;gap:14px}.check-index{font-size:1.45rem}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.closing-note{padding-block:30px;margin-bottom:64px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
.deep-library{padding-bottom:94px}.deep-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.deep-grid article{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:22px;padding:24px}.deep-grid h3{font-size:1.28rem;line-height:1.3;margin:12px 0 10px}.deep-grid p{color:var(--muted)}.deep-grid ul{padding-left:20px;margin:16px 0 0}.deep-grid li{margin-top:7px}.deep-grid li::marker{color:var(--pink)}@media(max-width:760px){.deep-grid{grid-template-columns:1fr}.deep-library{padding-bottom:68px}}
.scenario-library{padding-bottom:92px}.scenario-stack{display:grid;gap:12px}.scenario-stack details{border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.72);overflow:hidden}.scenario-stack summary{cursor:pointer;list-style:none;padding:18px 56px 18px 20px;font-weight:780;position:relative}.scenario-stack summary::-webkit-details-marker{display:none}.scenario-stack summary:after{content:"＋";position:absolute;right:20px;top:15px;color:var(--pink-dark);font-size:1.25rem}.scenario-stack details[open] summary{background:var(--soft)}.scenario-stack details[open] summary:after{content:"－"}.scenario-body{padding:22px 24px 26px;max-width:920px}.scenario-body p{color:var(--muted)}.scenario-body h3{font-size:1rem;margin:24px 0 8px}.scenario-body ol{padding-left:22px;margin:0}.scenario-body li+li{margin-top:7px}@media(max-width:680px){.scenario-library{padding-bottom:64px}.scenario-body{padding:18px}.scenario-stack summary{padding-left:16px}}
.knowledge-library{padding-bottom:96px}.knowledge-list{display:grid;gap:22px}.knowledge-list article{border-left:3px solid rgba(217,107,154,.34);padding:8px 0 12px 24px;max-width:980px}.knowledge-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}.knowledge-head h3{font-size:1.35rem;margin:0}.knowledge-list p{color:var(--muted)}.knowledge-list ul{background:var(--soft);border-radius:16px;padding:16px 20px 16px 38px;margin:18px 0 0}.knowledge-list li+li{margin-top:6px}@media(max-width:680px){.knowledge-list article{padding-left:16px}.knowledge-library{padding-bottom:64px}}
.glossary-library{padding-bottom:94px}.glossary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.glossary-grid article{border:1px solid var(--line);border-radius:20px;padding:24px;background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(245,237,243,.45))}.glossary-grid h3{font-size:1.3rem;margin:0 0 14px;color:var(--deep)}.glossary-grid p{color:var(--muted)}.glossary-grid ul{padding-left:20px;margin:18px 0 0}.glossary-grid li+li{margin-top:6px}@media(max-width:820px){.glossary-grid{grid-template-columns:1fr}.glossary-library{padding-bottom:66px}}