:root{
    --primary:#B91C3B;
    --primary-hover:#9A2020;
    --primary-deep:#8B1A2B;
    --wine:#3D0F16;
    --wine-deep:#2D0D13;
    --wine-black:#16080C;
    --gold:#C9A06C;
    --gold-light:#D4B888;
    --gold-bright:#F0D78C;
    --ivory:#E8D5C8;
    --ivory-soft:#FDF5E6;
    --bg:#16080C;
    --bg-2:#1F0A0F;
    --bg-3:#2D0D13;
    --surface:rgba(30,15,18,.86);
    --surface-strong:rgba(22,10,14,.94);
    --surface-soft:rgba(255,255,255,.035);
    --text:#F0E0D0;
    --text-2:#D8C8B8;
    --text-3:#A09080;
    --line:rgba(201,160,108,.20);
    --line-strong:rgba(201,160,108,.42);
    --success:#2D7A4F;
    --channel-blue:#2C4273;
    --shadow:0 8px 26px rgba(0,0,0,.36);
    --shadow-hover:0 18px 42px rgba(0,0,0,.52);
    --header-bg:rgba(22,8,12,.90);
    --header-bg-solid:rgba(22,8,12,.97);
    --footer-text:rgba(240,224,208,.72);
    --overlay:rgba(5,2,3,.82);
    --focus:rgba(240,215,140,.70);
    --success-soft:rgba(45,122,79,.24);
    --gold-soft:rgba(201,160,108,.08);
    --primary-soft:rgba(185,28,59,.18);
    --blue-soft:rgba(44,66,115,.22);
    --transparent:transparent;
    --radius:10px;
    --radius-card:14px;
    --radius-large:20px;
    --radius-pill:999px;
    --wrap:1320px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;min-width:0;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
body.search-open,body.drawer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{display:block;max-width:100%;height:auto;object-fit:cover}
figure{margin:0}
p{margin:0 0 1em;color:var(--text-2)}
h1,h2,h3,h4{margin:0 0 .55em;line-height:1.24;letter-spacing:-.02em;color:var(--text)}
h1{font-size:clamp(2.25rem,5vw,4.75rem);max-width:15ch}
h2{font-size:clamp(1.55rem,2.7vw,2.4rem)}
h3{font-size:1.08rem}
.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline:auto}
.wrap.narrow{max-width:960px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:16px;top:-80px;z-index:200;padding:10px 16px;background:var(--ivory-soft);color:var(--wine-black);border-radius:var(--radius)}
.skip-link:focus{top:12px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.eyebrow{display:inline-block;margin-bottom:10px;color:var(--gold);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.lead{font-size:1.08rem;max-width:65ch;color:var(--text-2)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--gold-light);font-weight:700}
.text-link:hover{color:var(--gold-bright)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border:1px solid var(--gold);border-radius:var(--radius-pill);font-weight:800;transition:transform .2s ease,background .2s ease,border-color .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:var(--ivory-soft)}
.btn-primary:hover{background:var(--primary-hover)}
.btn-secondary{background:var(--surface-soft);color:var(--text);border-color:var(--line-strong)}
.btn-secondary:hover{background:var(--wine-deep);border-color:var(--gold)}
.announcement{min-height:30px;background:linear-gradient(90deg,var(--wine-deep),var(--primary-deep),var(--wine));border-bottom:1px solid var(--line)}
.announcement-inner{min-height:30px;display:flex;align-items:center;gap:12px;font-size:.78rem}
.announcement-inner span{color:var(--gold-bright);font-weight:800}
.announcement-inner p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ivory)}
.announcement-inner a{margin-left:auto;color:var(--ivory-soft);white-space:nowrap}
.site-header{position:sticky;top:0;z-index:90;background:var(--header-bg);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:background .2s ease,box-shadow .2s ease}
.site-header.scrolled{background:var(--header-bg-solid);box-shadow:var(--shadow)}
.header-inner{height:68px;display:flex;align-items:center;gap:24px}
.brand-link{display:flex;align-items:center;gap:10px;color:var(--gold-bright);font-size:1.12rem;font-weight:900;white-space:nowrap}
.brand-logo{width:34px;height:34px;aspect-ratio:1;border-radius:50%;object-fit:cover}
.desktop-nav{display:flex;align-items:stretch;gap:18px;height:100%}
.desktop-nav a{position:relative;display:flex;align-items:center;color:var(--text-2);font-size:.94rem;white-space:nowrap}
.desktop-nav a:hover{color:var(--gold-bright)}
.desktop-nav a.active{color:var(--ivory-soft);font-weight:800}
.desktop-nav a.active::after{content:"";position:absolute;left:20%;right:20%;bottom:8px;height:2px;background:var(--primary);border-radius:var(--radius-pill)}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-button,.menu-button,.search-close,.drawer-head button,.back-top{border:1px solid var(--line);background:var(--surface-soft);border-radius:var(--radius-pill);cursor:pointer}
.icon-button,.menu-button,.app-link{padding:8px 12px;font-size:.9rem}
.app-link{color:var(--gold-light)}
.menu-button{display:none}
.mega-strip{border-top:1px solid var(--line);background:var(--surface-strong)}
.mega-links{height:32px;display:flex;align-items:center;justify-content:flex-end;gap:22px;color:var(--text-3);font-size:.78rem}
.mega-links a:hover{color:var(--gold-bright)}
.drawer-backdrop{position:fixed;inset:0;z-index:110;background:var(--overlay)}
.mobile-drawer{position:fixed;z-index:120;top:0;right:0;bottom:0;width:min(88vw,360px);padding:20px;background:var(--wine-black);border-left:1px solid var(--line-strong);overflow:auto}
.mobile-drawer[hidden],.drawer-backdrop[hidden]{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-head button{padding:7px 12px}
.mobile-drawer nav{display:grid;padding-top:12px}
.mobile-drawer nav a{padding:12px 6px;border-bottom:1px solid var(--line);color:var(--text-2)}
.search-modal{display:none;position:fixed;inset:0;z-index:150;align-items:flex-start;justify-content:center;padding:12vh 20px 20px;background:var(--overlay);overflow:auto}
.search-modal.is-open{display:flex}
.search-modal[hidden]{display:none !important}
.search-dialog{width:min(760px,100%);padding:28px;background:var(--surface-strong);border:1px solid var(--line-strong);border-radius:var(--radius-large);box-shadow:var(--shadow-hover)}
.search-dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.search-dialog-head h2{margin-bottom:16px}
.search-close{padding:8px 12px;flex:0 0 auto}
.search-form,.inline-search div{display:flex;gap:10px}
.search-form input,.inline-search input{width:100%;min-width:0;padding:12px 16px;border:1px solid var(--line-strong);border-radius:var(--radius-pill);background:var(--surface-soft);color:var(--text)}
.search-form input::placeholder,.inline-search input::placeholder{color:var(--text-3)}
.search-suggestions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;color:var(--text-3);font-size:.9rem}
.search-suggestions a{color:var(--gold-light)}
.noscript-note{padding:10px;text-align:center;background:var(--wine-deep);color:var(--text)}
.hero{min-height:530px;display:flex;align-items:center;background:radial-gradient(circle at 76% 18%,var(--gold-soft),var(--transparent) 30%),linear-gradient(135deg,var(--wine-black) 0%,var(--wine) 46%,var(--wine-deep) 72%,var(--wine-black) 100%);border-bottom:1px solid var(--line)}
.hero-grid,.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(360px,.82fr);align-items:center;gap:56px}
.hero-copy{padding:72px 0}
.hero-copy p{max-width:720px;font-size:1.06rem}
.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:24px}
.hero-link{padding:9px 4px}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}
.hero-tags span,.choice-row a,.tag{padding:5px 10px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--surface-soft);color:var(--text-2);font-size:.8rem}
.hero-media{position:relative;padding:28px 0}
.hero-image{width:100%;aspect-ratio:4/3;border-radius:var(--radius-large);box-shadow:var(--shadow-hover);border:1px solid var(--line-strong)}
.hero-media figcaption,.page-hero figcaption,.device-intro figcaption{margin-top:12px;color:var(--text-3);font-size:.84rem}
.page-hero,.community-hero{padding:70px 0;background:linear-gradient(135deg,var(--wine-deep),var(--wine),var(--wine-black));border-bottom:1px solid var(--line)}
.formal-hero{background:linear-gradient(135deg,var(--wine-black),var(--bg-2),var(--wine-deep))}
.community-hero{background:linear-gradient(135deg,var(--primary-deep),var(--wine),var(--wine-black))}
.theater-hero{background:radial-gradient(circle at 80% 20%,var(--gold-soft),var(--transparent) 25%),linear-gradient(135deg,var(--wine-black),var(--bg-2),var(--wine))}
.page-title-wrap{max-width:800px}
.page-hero-image{width:100%;aspect-ratio:4/3;border-radius:var(--radius-large);border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.page-hero-note{padding:28px;border:1px solid var(--line-strong);border-radius:var(--radius-large);background:var(--surface);box-shadow:var(--shadow)}
.page-hero-note strong{display:block;margin-bottom:8px;color:var(--gold-bright);font-size:1.25rem}
.page-hero-note span{color:var(--text-3);font-size:.86rem}
.choice-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.choice-row a:hover,.choice-row a.selected{background:var(--primary);color:var(--ivory-soft);border-color:var(--primary)}
.search-feedback{margin-top:14px;padding:10px 14px;border-left:4px solid var(--primary);background:var(--gold-soft);border-radius:0 var(--radius) var(--radius) 0}
.inline-search{margin-top:26px;max-width:660px}
.inline-search label{display:block;margin-bottom:8px;color:var(--text-2);font-weight:700}
.section{padding:76px 0;background:var(--bg)}
.section-dark{background:var(--bg-2)}
.section-wine{background:linear-gradient(135deg,var(--wine-deep),var(--bg-2))}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:30px}
.section-head>div{max-width:800px}
.section-head p{margin:0}
.section-subhead{margin:48px 0 22px;max-width:760px}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.content-card{min-width:0;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.content-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.card-body{padding:20px}
.card-body h3 a:hover{color:var(--gold-bright)}
.featured-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}
.featured-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.feature-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.feature-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.feature-card .media-link{display:block;overflow:hidden}
.feature-image{width:100%;aspect-ratio:16/10;transition:transform .25s ease}
.feature-card:hover .feature-image{transform:scale(1.025)}
.feature-wide .feature-image{aspect-ratio:16/7}
.feature-copy{padding:18px}
.feature-copy p{font-size:.9rem}
.feature-copy h3 a:hover{color:var(--gold-bright)}
.preview-grid{display:grid;gap:20px}
.preview-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.preview-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.rank-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rank-panel{padding:22px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}
.rank-panel ol,.rank-list{margin:0;padding:0;list-style:none}
.rank-panel li{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.rank-panel li:last-child{border-bottom:0}
.rank-num{display:inline-grid;place-items:center;min-width:30px;height:30px;border-radius:50%;color:var(--gold-bright);font-weight:900;border:1px solid var(--line-strong)}
.rank-panel li:first-child .rank-num,.rank-list li:first-child .rank-num{color:var(--gold-bright);border-color:var(--gold-bright)}
.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.link-card{display:block;padding:20px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface-soft);transition:transform .2s ease,border-color .2s ease}
.link-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.link-card strong{display:block;margin-bottom:6px;color:var(--gold-light)}
.link-card span{display:block;color:var(--text-2);font-size:.9rem}
.brand-note-inner{display:grid;grid-template-columns:150px 1fr;gap:28px;align-items:center;padding:26px;border:1px solid var(--line);border-radius:var(--radius-large);background:var(--surface)}
.brand-emblem{width:140px;height:140px;aspect-ratio:1;border-radius:50%;border:1px solid var(--line-strong)}
.faq-list{display:grid;gap:12px;max-width:980px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}
.faq-item h3{margin:0}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 18px;border:0;background:var(--transparent);text-align:left;cursor:pointer;font-weight:800}
.faq-question span{color:var(--gold-bright);font-size:1.2rem}
.faq-answer{padding:0 18px 16px}
.faq-answer[hidden]{display:none}
.faq-answer p{margin:0}
.cta-band{width:min(calc(100% - 40px),var(--wrap));margin:0 auto 76px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid var(--line-strong);border-radius:var(--radius-large);background:linear-gradient(135deg,var(--wine-deep),var(--wine));box-shadow:var(--shadow)}
.cta-band>div:first-child{max-width:760px}
.cta-band p{margin:0}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.tabs{border:1px solid var(--line);border-radius:var(--radius-large);overflow:hidden;background:var(--surface)}
.tab-list{display:flex;gap:4px;padding:10px;overflow:auto;border-bottom:1px solid var(--line)}
.tab-list button{flex:0 0 auto;padding:9px 14px;border:1px solid var(--transparent);border-radius:var(--radius-pill);background:var(--transparent);cursor:pointer;color:var(--text-2)}
.tab-list button[aria-selected="true"]{background:var(--primary);color:var(--ivory-soft)}
.tab-panel{padding:24px}
.tab-panel[hidden]{display:none}
.rank-list li{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.rank-list li:last-child{border-bottom:0}
.rank-list p{margin:4px 0 0;color:var(--text-3);font-size:.88rem}
.rank-list a{color:var(--gold-light)}
.device-intro{display:grid;grid-template-columns:minmax(260px,.65fr) 1fr;gap:46px;align-items:center}
.phone-scene{width:100%;aspect-ratio:4/5;border-radius:var(--radius-large);border:1px solid var(--line-strong)}
.stack-features{display:grid;gap:26px}
.visual-reference{padding:16px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}
.visual-reference .reference-image{width:100%;aspect-ratio:16/10;border-radius:var(--radius);margin-bottom:12px}
.visual-reference-wide .reference-image{aspect-ratio:16/7}
.visual-reference figcaption{margin-bottom:12px;color:var(--text-2);font-size:.9rem}
.discussion-grid,.feedback-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.discussion-grid article,.feedback-grid article,.comment-list article{padding:22px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}
.discussion-grid article>a,.feedback-grid article>a,.comment-list article>a{color:var(--gold-light);font-weight:700}
.tag{display:inline-block;margin-bottom:10px;color:var(--gold-light)}
.tag.spoiler{background:var(--primary-soft);border-color:var(--primary);color:var(--ivory-soft)}
.comment-list{display:grid;gap:16px}
.comment-list article header{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:var(--text-3)}
.notice-block{margin-bottom:26px;padding:22px 24px;border-left:4px solid var(--primary);border-radius:0 var(--radius-card) var(--radius-card) 0;background:var(--gold-soft)}
.notice-block p{margin:0}
.footer-guide{padding:36px 0;border-top:1px solid var(--line);background:var(--bg-3)}
.footer-guide .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.footer-guide h2{margin:0;max-width:760px}
.site-footer{padding:54px 0 24px;border-top:1px solid var(--line);background:linear-gradient(135deg,var(--wine-deep),var(--wine),var(--wine-black))}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:30px}
.footer-grid section{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.footer-grid h2{font-size:1rem;color:var(--ivory-soft)}
.footer-grid p,.footer-grid a{font-size:.86rem;color:var(--footer-text)}
.footer-grid a:hover{color:var(--gold-bright)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:18px;border-top:1px solid var(--line);color:var(--text-3);font-size:.78rem}
.mobile-bottom{display:none}
.back-top{position:fixed;right:22px;bottom:22px;z-index:70;width:42px;height:42px;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;color:var(--gold-bright)}
.back-top.visible{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-2px)}
.reveal{opacity:1;transform:translateY(8px);transition:transform .55s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (max-width:1200px){
  .desktop-nav{gap:12px}.desktop-nav a{font-size:.86rem}.mega-links{justify-content:center}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}
}
@media (max-width:1100px){
  .desktop-nav{display:none}.menu-button{display:inline-flex}.mega-strip{display:none}.header-inner{height:64px}.hero-grid,.page-hero-grid{grid-template-columns:1fr 380px;gap:34px}.featured-layout{grid-template-columns:1fr}.rank-columns{grid-template-columns:1fr 1fr}.preview-grid.three{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .hero{min-height:0}.hero-grid,.page-hero-grid{grid-template-columns:1fr}.hero-copy{padding:58px 0 0}.hero-media{padding:16px 0 52px}.page-hero{padding:52px 0}.page-hero-grid{gap:28px}.featured-side{grid-template-columns:1fr 1fr}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.rank-columns{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.device-intro{grid-template-columns:1fr}.phone-scene{max-height:560px}.cta-band{align-items:flex-start;flex-direction:column}
}
@media (max-width:768px){
  .wrap{width:min(calc(100% - 28px),var(--wrap))}.announcement-inner p{font-size:.72rem}.brand-link span{display:none}.app-link{display:none}.section{padding:58px 0}.section-head{align-items:flex-start;flex-direction:column;gap:12px}.preview-grid.two,.preview-grid.three,.discussion-grid,.feedback-grid{grid-template-columns:1fr}.featured-side{grid-template-columns:1fr}.feature-wide .feature-image{aspect-ratio:16/9}.footer-guide .wrap{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:80;display:grid;grid-template-columns:repeat(5,1fr);padding:8px 6px calc(8px + env(safe-area-inset-bottom));background:var(--header-bg-solid);border-top:1px solid var(--line-strong);backdrop-filter:blur(14px)}.mobile-bottom a{text-align:center;color:var(--text-2);font-size:.72rem}.site-footer{padding-bottom:86px}.back-top{bottom:72px}.search-dialog{padding:20px}.search-form{flex-direction:column}.cta-band{width:min(calc(100% - 28px),var(--wrap));margin-bottom:58px;padding:24px}.rank-list li{grid-template-columns:auto 1fr}.rank-list li>a{grid-column:2}.brand-note-inner{grid-template-columns:1fr}.brand-emblem{width:90px;height:90px}
}
@media (max-width:600px){
  h1{font-size:clamp(2rem,11vw,3rem)}.header-actions{gap:4px}.icon-button,.menu-button{padding:7px 10px}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .btn,.hero-actions .text-link{width:100%;justify-content:center}.card-grid,.link-grid,.footer-grid{grid-template-columns:1fr}.choice-row{display:grid;grid-template-columns:1fr 1fr}.inline-search div{flex-direction:column}.featured-side{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.search-modal{padding:8vh 12px 12px}.page-hero-image{aspect-ratio:16/10}.announcement-inner span{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.btn,.content-card,.feature-card,.feature-image,.link-card,.back-top{transition:none}.btn:hover,.content-card:hover,.feature-card:hover,.link-card:hover,.back-top:hover{transform:none}.feature-card:hover .feature-image{transform:none}
}