:root{--bg:#FFF8FB;--surface:#FFFFFF;--pink-soft:#FFF0F5;--purple-soft:#F6F2FF;--gray-soft:#F8F6F7;--ink:#33262D;--text:#51444B;--muted:#7C6C75;--brand:#FF5F9F;--brand-dark:#D94A82;--coral:#FF92AA;--purple:#8973E6;--purple-dark:#6150AD;--line:rgba(255,95,159,.16);--shadow:0 14px 36px rgba(70,42,57,.08);--shadow-strong:0 20px 48px rgba(217,74,130,.15);--radius:24px;--header-h:122px}
*{box-sizing:border-box}*::before,*::after{pointer-events:none}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}img{max-width:100%;height:auto}.shell{width:min(1240px,calc(100% - 40px));margin:0 auto}.skip-link{position:fixed;left:18px;top:-80px;z-index:2000;background:#fff;padding:10px 16px;border-radius:12px;box-shadow:var(--shadow)}.skip-link:focus{top:12px}.site-header{position:fixed;inset:0 0 auto 0;z-index:1000}.brand-bar{height:42px;background:rgba(255,248,251,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.brand-bar-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand-line{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}.brand-name{font-weight:800;color:var(--brand-dark);font-size:16px}.utility-nav{display:flex;gap:20px;font-size:13px}.utility-nav a,.primary-nav a{min-height:44px;display:inline-flex;align-items:center}.utility-nav a:hover,.utility-nav a:focus-visible{color:var(--brand-dark)}.main-nav-wrap{height:80px;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:0 5px 24px rgba(74,41,56,.05)}.main-nav{height:100%;display:flex;align-items:center;gap:16px}.menu-toggle{width:46px;height:46px;border:1px solid var(--line);border-radius:16px;background:var(--surface);display:grid;place-content:center;gap:5px;cursor:pointer;flex:0 0 auto}.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}.logo-text{font-weight:900;font-size:23px;letter-spacing:-.5px;color:var(--ink);white-space:nowrap}.primary-nav{display:flex;align-items:center;gap:2px;margin-left:10px;min-width:0;flex:1;white-space:nowrap}.primary-nav a{padding:0 14px;border-radius:14px;color:var(--muted);font-weight:650}.primary-nav a:hover,.primary-nav a.is-active{background:var(--pink-soft);color:var(--brand-dark)}.nav-cta,.btn-primary{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 22px;border-radius:16px;background:linear-gradient(135deg,var(--coral) 0%,var(--brand) 52%,var(--purple) 100%);color:#fff;font-weight:800;box-shadow:0 12px 26px rgba(217,74,130,.18);white-space:nowrap}.nav-cta:hover,.btn-primary:hover{transform:translateY(-1px)}.btn-link{display:inline-flex;align-items:center;min-height:44px;color:var(--brand-dark);font-weight:750}.btn-link:after{content:"→";margin-left:7px}.site-main{padding-top:var(--header-h)}.hero,.page-hero{position:relative;overflow:hidden}.hero{padding:76px 0 54px}.hero:before,.page-hero:before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,146,170,.16);right:-120px;top:-150px;pointer-events:none}.hero:after,.page-hero:after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(137,115,230,.11);left:-160px;bottom:-170px;pointer-events:none}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:54px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-weight:800;letter-spacing:.06em;font-size:14px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--coral)}h1,h2,h3{color:var(--ink);line-height:1.25;margin-top:0}h1{font-size:clamp(38px,5.2vw,68px);letter-spacing:-.04em;margin-bottom:22px}.page-hero h1{font-size:clamp(34px,4.6vw,56px)}h2{font-size:clamp(27px,3vw,40px);letter-spacing:-.025em}h3{font-size:20px}.hero-copy p,.page-hero p{font-size:17px;color:var(--muted);max-width:760px}.hero-actions{display:flex;gap:16px;align-items:center;margin-top:30px;flex-wrap:wrap}.hero-stage{min-height:450px;position:relative;border-radius:30px;background:linear-gradient(150deg,#fff 0%,#fff3f7 60%,#f1edff 100%);border:1px solid var(--line);box-shadow:var(--shadow-strong);padding:36px;display:flex;flex-direction:column;justify-content:center}.stage-orb{width:200px;height:200px;border-radius:46% 54% 52% 48%/48% 44% 56% 52%;background:linear-gradient(135deg,rgba(255,146,170,.72),rgba(255,95,159,.68),rgba(137,115,230,.64));margin:0 auto 22px;box-shadow:inset 0 0 0 18px rgba(255,255,255,.35)}.stage-title{text-align:center;font-size:28px;font-weight:900;color:var(--ink)}.stage-note{text-align:center;color:var(--muted);margin:8px auto 0;max-width:310px}.floating-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.float-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow)}.float-card strong{display:block;color:var(--ink);margin-bottom:4px}.float-card span{font-size:13px;color:var(--muted);line-height:1.5}.section{padding:72px 0}.section.compact{padding:56px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:28px}.section-head p{max-width:700px;color:var(--muted);margin:0}.index-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:12px}.index-item{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow);min-width:0}.index-item h3{font-size:17px;margin-bottom:8px}.index-item p{font-size:13px;color:var(--muted);line-height:1.55}.index-item a{color:var(--brand-dark);font-weight:750;font-size:14px}.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.timeline-card,.topic-card,.content-card,.faq-card,.quote-card,.security-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.timeline-card .time{font-size:13px;color:var(--purple-dark);font-weight:800}.timeline-card p,.topic-card p,.content-card p,.security-card p{color:var(--muted)}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.tag{font-size:12px;padding:5px 10px;border-radius:999px;background:var(--purple-soft);color:var(--purple-dark)}.topics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topics-grid .topic-card:nth-child(2),.topics-grid .topic-card:nth-child(5){transform:translateY(14px)}.tag-wall{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.tag-wall span{padding:9px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--brand-dark);font-weight:700}.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}.soft-panel{background:var(--pink-soft);border-radius:28px;padding:34px}.soft-panel.purple{background:var(--purple-soft)}.soft-panel.gray{background:var(--gray-soft)}.list-clean{list-style:none;margin:0;padding:0;display:grid;gap:12px}.list-clean li{padding-left:24px;position:relative}.list-clean li:before{content:"";position:absolute;left:2px;top:.75em;width:8px;height:8px;border-radius:50%;background:var(--brand)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}.step{counter-increment:step;background:#fff;border-radius:22px;padding:22px;border:1px solid var(--line)}.step:before{content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:var(--pink-soft);color:var(--brand-dark);font-weight:900;margin-bottom:14px}.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote-card p{margin:0;color:var(--text)}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 20px}.faq-list summary{cursor:pointer;list-style:none;padding:18px 32px 18px 0;font-weight:800;color:var(--ink);position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:0;top:15px;font-size:24px;color:var(--brand-dark)}.faq-list details[open] summary:after{content:"−"}.faq-list details p{color:var(--muted);padding:0 0 18px;margin:0}.page-hero{padding:68px 0 38px}.page-hero .hero-copy{max-width:850px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}.article-flow{display:grid;gap:18px}.content-card h2{font-size:25px}.sidebar{position:sticky;top:150px;display:grid;gap:16px}.sidebar .soft-panel{padding:24px}.related-links{display:grid;gap:8px}.related-links a{display:flex;align-items:center;justify-content:space-between;min-height:44px;color:var(--brand-dark);font-weight:750;border-bottom:1px dashed var(--line)}.notice{border-radius:22px;background:var(--purple-soft);border:1px solid rgba(137,115,230,.15);padding:24px}.notice strong{display:block;color:var(--purple-dark);margin-bottom:6px}.service-tip{border-left:4px solid var(--brand);padding:16px 20px;background:#fff;border-radius:0 18px 18px 0;box-shadow:var(--shadow)}.site-footer{background:#30242B;color:#FFEAF2;padding:60px 0 110px;margin-top:60px}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(4,1fr);gap:34px}.site-footer h2,.site-footer h3{color:#fff}.site-footer h3{font-size:16px}.site-footer section>a{display:block;min-height:36px;color:#f6cedd;font-size:14px}.footer-brand p{color:#e9c8d5;max-width:300px}.footer-note{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:24px;display:flex;justify-content:space-between;gap:30px;color:#d9b9c6;font-size:13px}.quick-rail{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:700;width:104px;background:rgba(255,255,255,.96);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:8px;display:grid;gap:4px}.quick-rail a{min-height:44px;display:flex;align-items:center;justify-content:center;text-align:center;border-radius:12px;font-size:13px;color:var(--muted)}.quick-rail a:hover,.quick-rail a.is-active{background:var(--pink-soft);color:var(--brand-dark);font-weight:800}.channel-menu{position:fixed;inset:0 auto 0 0;width:min(460px,88vw);background:#fff;z-index:1400;transform:translateX(-104%);visibility:hidden;transition:transform .24s ease,visibility .24s ease;box-shadow:30px 0 70px rgba(46,28,37,.18);display:flex;flex-direction:column}.channel-menu.is-open{transform:translateX(0);visibility:visible}.menu-overlay{position:fixed;inset:0;background:rgba(48,36,43,.34);z-index:1300;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.menu-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.menu-head{height:82px;padding:0 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.menu-logo{font-size:23px;font-weight:900;color:var(--ink)}.menu-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;font-size:26px;cursor:pointer}.menu-scroll{overflow-y:auto;padding:22px 22px 40px}.menu-group{margin-bottom:26px}.menu-group h3{font-size:15px;color:var(--muted);text-transform:none}.menu-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}.menu-links a{padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--bg);min-height:84px}.menu-links strong{display:block;color:var(--ink);margin-bottom:3px}.menu-links span{display:block;font-size:12px;color:var(--muted);line-height:1.55}.menu-open{overflow:hidden}.mobile-bottom{display:none}.menu-toggle:focus-visible,.nav-cta:focus-visible,.primary-nav a:focus-visible,.utility-nav a:focus-visible,a:focus-visible,.menu-close:focus-visible{outline:3px solid rgba(137,115,230,.38);outline-offset:3px}
@media(max-width:1180px){.quick-rail{display:none}.index-grid{grid-template-columns:repeat(4,1fr)}.timeline{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.sidebar{position:static;grid-template-columns:1fr 1fr}.primary-nav a{padding:0 9px}}
@media(max-width:860px){:root{--header-h:70px}.brand-bar,.primary-nav{display:none}.main-nav-wrap{height:70px}.main-nav{justify-content:space-between;gap:10px}.logo-text{font-size:20px;position:absolute;left:50%;transform:translateX(-50%);max-width:38vw;overflow:hidden;text-overflow:ellipsis}.nav-cta{min-height:44px;padding:0 14px;font-size:14px}.shell{width:min(100% - 32px,1240px)}.hero{padding:48px 0 34px}.hero-grid{grid-template-columns:1fr;gap:28px}.hero-stage{min-height:auto}.floating-notes{overflow-x:auto;grid-template-columns:repeat(3,minmax(190px,1fr));padding-bottom:4px}.index-grid{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:1fr 1fr}.topics-grid,.quotes{grid-template-columns:1fr 1fr}.topics-grid .topic-card:nth-child(2),.topics-grid .topic-card:nth-child(5){transform:none}.split{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-note{flex-direction:column}.sidebar{grid-template-columns:1fr}.site-footer{padding-bottom:120px}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:12px;right:12px;bottom:max(10px,env(safe-area-inset-bottom));z-index:1100;background:rgba(255,255,255,.97);border:1px solid var(--line);box-shadow:var(--shadow-strong);border-radius:20px;overflow:hidden}.mobile-bottom a{min-height:58px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.is-active{color:var(--brand-dark);font-weight:900;background:var(--pink-soft)}.page-hero{padding:48px 0 30px}}
@media(max-width:560px){.shell{width:calc(100% - 32px)}h1{font-size:40px}.page-hero h1{font-size:34px}.hero-copy p,.page-hero p{font-size:15px}.section{padding:50px 0}.section-head{display:block}.index-grid,.timeline,.topics-grid,.quotes,.steps,.footer-grid{grid-template-columns:1fr}.hero-actions{align-items:stretch}.hero-actions .btn-primary{width:100%}.stage-orb{width:150px;height:150px}.hero-stage{padding:26px}.float-card{min-width:190px}.soft-panel{padding:24px}.content-card{padding:22px}.menu-links{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-note{font-size:12px}.nav-cta{padding:0 12px}.menu-toggle{width:44px;height:44px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.nav-cta:hover,.btn-primary:hover{transform:none}}