/*
 * mtsp-pro.cloud editorial content theme
 * Palette is intentionally warm, muted and text-forward.
 */
:root{
    --primary:#C85C7A;
    --primary-deep:#A94361;
    --secondary:#E7B7A8;
    --ink:#2B2228;
    --text:#342F32;
    --muted:#746A6F;
    --paper:#FBF7F5;
    --paper-2:#F3E9E6;
    --accent:#D9913D;
    --line:#E4D8D4;
    --white:#FFFDFC;
    --shadow:0 24px 60px rgba(43,34,40,.10);
    --radius-sm:14px;
    --radius-md:24px;
    --radius-lg:40px;
    --shell:1180px;
    --article:820px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;color:var(--text);background:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.modal-open{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-color:rgba(200,92,122,.45);text-underline-offset:.2em}
a:hover{color:var(--primary-deep)}
button,input{font:inherit}
button{cursor:pointer}
::selection{background:#EAC1CB;color:var(--ink)}
.skip-link{position:fixed;left:16px;top:12px;z-index:1000;transform:translateY(-160%);background:var(--ink);color:white;padding:10px 16px;border-radius:10px;text-decoration:none}
.skip-link:focus{transform:none}
.shell-wide{width:min(calc(100% - 48px),var(--shell));margin-inline:auto}
.shell-narrow{width:min(calc(100% - 48px),940px);margin-inline:auto}
.shell-article{width:min(calc(100% - 48px),1080px);margin-inline:auto}
.section-space{padding-block:88px}
.section-tinted{background:var(--paper-2)}
.section-dark{background:var(--ink);color:#F9F4F2}
.section-dark a{color:#FFE6DD;text-decoration-color:rgba(255,230,221,.45)}
.section-dark .eyebrow{color:#F1B7C7}
.section-dark p{color:#E4D8DC}
.eyebrow{margin:0 0 12px;color:var(--primary-deep);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
h1,h2,h3{color:var(--ink);font-family:Georgia,"Songti SC","STSong",serif;line-height:1.18;letter-spacing:-.015em;margin-top:0}
.section-dark h1,.section-dark h2,.section-dark h3{color:#FFF8F5}
h1{font-size:clamp(2.55rem,5.4vw,5.1rem);margin-bottom:24px}
h2{font-size:clamp(1.8rem,3vw,3rem);margin-bottom:18px}
h3{font-size:1.35rem;margin-bottom:10px}
p{margin:0 0 1.15em}
.lead-text{font-size:clamp(1.05rem,1.5vw,1.24rem);color:#5F555A;max-width:66ch}
.section-intro{max-width:760px;margin-bottom:42px}
.section-intro>p:last-child{color:var(--muted);font-size:1.03rem}
.section-head-row{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:36px}
.section-head-row .section-intro{margin-bottom:0}
.text-link{display:inline-flex;gap:8px;align-items:center;font-weight:800;color:var(--primary-deep);text-decoration:none;border-bottom:1px solid rgba(169,67,97,.4);padding-bottom:2px}
.text-link:after{content:"→";transition:transform .2s ease}
.text-link:hover:after{transform:translateX(4px)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;border-radius:999px;text-decoration:none;font-weight:800;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.button:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(43,34,40,.12)}
.button-primary{background:var(--primary);color:white}
.button-primary:hover{background:var(--primary-deep);color:white}
.button-dark{background:var(--ink);color:#FFF8F5}
.button-dark:hover{background:#160F13;color:white}
.button-soft{background:#F6E2E7;color:#87364E;border-color:#EBC9D2}
.chip{display:inline-flex;padding:5px 10px;border-radius:999px;background:#F7E0E6;color:#8A3A52;font-size:.76rem;font-weight:800;letter-spacing:.06em}
.site-header{position:sticky;top:0;z-index:100;background:rgba(251,247,245,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,216,212,.82)}
.header-inner{min-height:82px;display:flex;align-items:center;gap:22px}
.brand-lockup{display:flex;align-items:center;gap:11px;text-decoration:none;margin-right:auto}
.brand-lockup img{width:46px;height:46px;object-fit:contain;border-radius:12px}
.brand-lockup span{display:flex;flex-direction:column;line-height:1.15}
.brand-lockup strong{font-family:Georgia,"Songti SC",serif;font-size:1.15rem;color:var(--ink)}
.brand-lockup small{margin-top:6px;color:var(--muted);font-size:.72rem;letter-spacing:.04em}
.primary-nav{display:flex;align-items:center;gap:4px}
.primary-nav a{padding:8px 10px;border-radius:10px;text-decoration:none;font-size:.91rem;color:#554B50;white-space:nowrap}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:#F1E3E4;color:var(--primary-deep)}
.search-trigger,.menu-toggle{border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:999px;padding:8px 13px;font-weight:750}
.menu-toggle{display:none}
.breadcrumb{width:min(calc(100% - 48px),var(--shell));margin:22px auto 0;font-size:.82rem;color:var(--muted)}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:8px;color:#B4A8AD}
.breadcrumb a{text-decoration:none}
.home-lead{padding:72px 0 42px;overflow:hidden}
.lead-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:64px;align-items:center}
.lead-copy h1{max-width:820px}
.lead-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:32px 0 40px}
.lead-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);padding-top:18px;margin:0}
.lead-facts div{padding-right:18px}
.lead-facts dt{font-size:.75rem;color:var(--muted);margin-bottom:4px}
.lead-facts dd{margin:0;font-weight:800;color:var(--ink);font-size:.92rem}
.lead-media{margin:0;position:relative}
.lead-media:before{content:"";position:absolute;inset:-24px 38% 22% -22%;background:var(--secondary);border-radius:50%;filter:blur(1px);opacity:.34;z-index:-1}
.lead-media img{width:100%;aspect-ratio:1.2/1;object-fit:cover;border-radius:42% 42% 18% 18% / 32% 32% 20% 20%;box-shadow:var(--shadow)}
.lead-media figcaption{max-width:340px;margin:14px 0 0 auto;color:var(--muted);font-size:.82rem}
.intent-roadmap{padding-top:64px}
.roadmap-list{border-top:1px solid var(--line)}
.roadmap-item{display:grid;grid-template-columns:82px 1fr;gap:18px;padding:34px 0;border-bottom:1px solid var(--line)}
.roadmap-index{font-family:Georgia,serif;color:#B99BA4;font-size:1.4rem}
.roadmap-item>div{display:grid;grid-template-columns:minmax(130px,.35fr) minmax(260px,.9fr) minmax(300px,1.2fr) auto;gap:22px;align-items:start}
.roadmap-item .eyebrow{margin-top:5px}
.roadmap-item h3{font-size:1.45rem;margin:0}
.roadmap-item p{color:var(--muted);margin:0}
.watch-feature{overflow:hidden}
.feature-split{display:grid;grid-template-columns:.82fr 1.18fr;gap:74px;align-items:center}
.feature-image{margin:0}
.tall-image img{aspect-ratio:.78/1;object-fit:cover;border-radius:140px 140px 26px 26px;box-shadow:var(--shadow)}
.feature-copy>p:not(.eyebrow){font-size:1.08rem;color:#665B60;max-width:65ch}
.editorial-points{display:grid;gap:18px;margin:30px 0}
.editorial-points div{display:grid;grid-template-columns:130px 1fr;gap:20px;padding-top:16px;border-top:1px solid #DDCFCC}
.editorial-points strong{font-family:Georgia,"Songti SC",serif;color:var(--ink);font-size:1.08rem}
.editorial-points span{color:var(--muted)}
.discovery-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.65fr);gap:28px}
.discovery-focus{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 12px 36px rgba(43,34,40,.06)}
.discovery-focus img{width:100%;aspect-ratio:1.62/1;object-fit:cover}
.discovery-focus>div{padding:28px 30px 32px}
.discovery-focus h3{font-size:2rem;margin:12px 0}
.discovery-focus p{color:var(--muted)}
.discovery-side{display:grid;gap:28px}
.mini-story{background:#2F272C;color:#F8F0ED;border-radius:var(--radius-md);overflow:hidden;display:grid;grid-template-rows:auto 1fr}
.mini-story img{width:100%;aspect-ratio:1.5/1;object-fit:cover}
.mini-story>div{padding:22px}
.mini-story h3{color:white;margin:10px 0 14px}
.mini-story a{color:#F7D9D2;font-weight:800}
.text-story{background:#D8A494;color:var(--ink)}
.text-story h3{color:var(--ink)}
.text-story a{color:#6F263B}
.compact-index{margin-top:34px;border-top:1px solid var(--line)}
.compact-index a{display:grid;grid-template-columns:110px minmax(240px,.75fr) 1fr;gap:20px;align-items:baseline;padding:18px 4px;border-bottom:1px solid var(--line);text-decoration:none}
.compact-index span{color:var(--primary-deep);font-size:.78rem;font-weight:800;letter-spacing:.08em}
.compact-index strong{font-family:Georgia,"Songti SC",serif;font-size:1.08rem}
.compact-index small{color:var(--muted);font-size:.9rem}
.brand-bridge{padding-block:72px}
.bridge-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:74px;align-items:start}
.bridge-links{border-top:1px solid rgba(255,255,255,.16)}
.bridge-links a{display:flex;justify-content:space-between;gap:18px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.16);text-decoration:none}
.bridge-links strong{color:white}
.bridge-links span{color:#CDBFC4;text-align:right;font-size:.9rem}
.topic-columns{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.topic-columns section{border-top:3px solid var(--primary);padding:24px 0 0}
.topic-columns section:nth-child(1){grid-column:span 5}
.topic-columns section:nth-child(2){grid-column:span 4}
.topic-columns section:nth-child(3){grid-column:span 3}
.topic-columns p{color:var(--muted)}
.topic-columns ul{list-style:none;padding:0;margin:22px 0 0;border-top:1px solid var(--line)}
.topic-columns li{border-bottom:1px solid var(--line)}
.topic-columns li a{display:block;padding:11px 0;text-decoration:none;font-weight:750}
.mobile-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center}
.inline-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
.inline-links a{padding:7px 11px;border:1px solid #DABFC1;background:rgba(255,255,255,.42);border-radius:999px;text-decoration:none;font-size:.86rem;font-weight:750}
.phone-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:end}
.phone-pair img{width:100%;object-fit:cover;border-radius:84px 84px 24px 24px;box-shadow:var(--shadow)}
.phone-pair img:first-child{transform:translateY(-28px)}
.guide-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
.guide-grid figure{margin:0}
.guide-grid img{width:100%;aspect-ratio:1.3/1;object-fit:cover;border-radius:var(--radius-lg)}
.number-list{list-style:none;padding:0;margin:26px 0}
.number-list li{display:grid;grid-template-columns:52px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.number-list span{font-family:Georgia,serif;color:var(--primary)}
.number-list p{margin:0;color:var(--muted)}
.number-list strong{display:block;color:var(--ink);margin-bottom:2px}
.faq-list{display:grid;gap:0;border-top:1px solid #DCCECB;margin-bottom:28px}
.faq-list details{border-bottom:1px solid #DCCECB;padding:18px 0}
.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink);list-style:none;padding-right:28px;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:2px;top:0;color:var(--primary-deep);font-size:1.2rem}
.faq-list details[open] summary:after{content:"−"}
.faq-list p{color:var(--muted);margin:12px 36px 0 0}
.page-hero{padding:70px 0 54px}
.page-hero h1{max-width:900px}
.editorial-hero-grid,.about-grid,.faq-hero-grid,.contact-grid,.safety-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.editorial-hero figure{margin:0}
.editorial-hero img,.about-grid img,.faq-hero-grid img,.contact-grid img,.safety-grid img{width:100%;aspect-ratio:1.35/1;object-fit:cover;border-radius:var(--radius-lg)}
.article-flow{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px;align-items:start}
.article-prose{font-size:1.04rem}
.article-prose h2{margin-top:2.1em;font-size:2.05rem}
.article-prose h2:first-child{margin-top:0}
.article-prose p{color:#51484D}
.article-prose blockquote{margin:32px 0;padding:26px 28px;border-left:4px solid var(--primary);background:var(--paper-2);font-family:Georgia,"Songti SC",serif;font-size:1.22rem;color:var(--ink)}
.article-aside{position:sticky;top:112px;background:var(--paper-2);padding:24px;border-radius:var(--radius-md)}
.article-aside h2{font-size:1.45rem}
.article-aside ul{padding-left:20px;color:var(--muted)}
.article-aside li{margin:8px 0}
.visual-aside{padding:0;overflow:hidden}
.visual-aside img{width:100%;aspect-ratio:.8/1;object-fit:cover}
.visual-aside p{padding:18px 20px;margin:0;color:var(--muted)}
.checklist-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}
.checklist-grid div{padding:22px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#FFFDFC}
.checklist-grid strong{display:block;color:var(--ink);margin-bottom:6px}
.checklist-grid p{font-size:.93rem;margin:0;color:var(--muted)}
.watch-hero{overflow:hidden}
.watch-hero-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:56px;align-items:center}
.watch-collage{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:end}
.watch-collage img{width:100%;height:100%;object-fit:cover;border-radius:26px}
.watch-collage .watch-main{grid-column:1/-1;aspect-ratio:1.7/1}
.watch-collage img:not(.watch-main){aspect-ratio:1.2/1}
.watch-index-head{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:end;margin-bottom:30px}
.watch-index-head>p{color:var(--muted)}
.watch-paths{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}
.watch-paths article{padding:26px 24px;border-top:4px solid var(--primary);background:#FFFDFC;border-radius:0 0 var(--radius-md) var(--radius-md);box-shadow:0 10px 28px rgba(43,34,40,.04)}
.watch-paths article:nth-child(2){margin-top:24px}
.watch-paths article:nth-child(3){margin-top:48px}
.watch-paths span{font-family:Georgia,serif;color:#B5909A}
.watch-paths h3{margin-top:18px}
.watch-paths p{color:var(--muted)}
.watch-paths a{font-weight:800;color:var(--primary-deep)}
.content-essay{font-size:1.06rem}
.content-essay>p{color:var(--muted)}
.two-column-notes{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:30px}
.two-column-notes div{background:#FFFDFC;padding:24px;border-radius:var(--radius-md)}
.line-list{border-top:1px solid var(--line)}
.line-list a{display:grid;grid-template-columns:260px 1fr 72px;gap:22px;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none;align-items:baseline}
.line-list span{color:var(--muted)}
.line-list b{justify-self:end;color:var(--primary-deep);font-size:.8rem}
.discovery-hero{text-align:center;padding-bottom:24px}
.discovery-hero h1{margin-inline:auto}
.discovery-hero .lead-text{margin-inline:auto}
.discovery-editorial{display:grid;grid-template-columns:.72fr 1.28fr;gap:58px;align-items:start}
.discovery-rail{position:sticky;top:112px}
.discovery-rail figure{margin:0}
.discovery-rail img{width:100%;aspect-ratio:.74/1;object-fit:cover;border-radius:var(--radius-lg)}
.rail-caption{color:var(--muted);font-size:.88rem;margin-top:14px}
.discovery-entries{border-top:1px solid var(--line)}
.discovery-entries article{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:28px 0;border-bottom:1px solid var(--line)}
.entry-no{font-family:Georgia,serif;color:#AD8B95;font-size:1.35rem}
.discovery-entries h2{font-size:1.65rem}
.discovery-entries p{color:var(--muted)}
.panorama-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.panorama-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.panorama-links a{padding:18px;border:1px solid rgba(255,255,255,.16);border-radius:14px;text-decoration:none}
.visual-pair{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
.visual-pair figure{margin:0}
.visual-pair img{width:100%;aspect-ratio:1.55/1;object-fit:cover;border-radius:var(--radius-md)}
.visual-pair figure:nth-child(2){margin-top:52px}
.visual-pair figcaption{color:var(--muted);font-size:.84rem;margin-top:10px}
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:66px;align-items:center}
.app-visual-stack{position:relative;min-height:590px}
.app-visual-stack img{object-fit:cover;box-shadow:var(--shadow)}
.app-visual-stack img:first-child{width:62%;border-radius:90px 90px 26px 26px;margin-left:auto}
.app-visual-stack img:last-child{position:absolute;left:0;bottom:18px;width:58%;border-radius:var(--radius-md);border:8px solid var(--paper-2)}
.reverse-aside{grid-template-columns:280px minmax(0,1fr)}
.step-list{display:grid;gap:18px;margin:28px 0}
.step-list>div{display:grid;grid-template-columns:42px 110px 1fr;gap:16px;align-items:start;padding:18px 0;border-top:1px solid var(--line)}
.step-list span{font-family:Georgia,serif;color:var(--primary);font-size:1.2rem}
.step-list h3{margin:0}
.step-list p{margin:0;color:var(--muted)}
.compact-hero{text-align:left;padding-bottom:32px}
.compact-hero h1{font-size:clamp(2.5rem,4.4vw,4.2rem)}
.guide-hero-grid{display:grid;grid-template-columns:1fr .85fr;gap:70px;align-items:center}
.guide-hero-grid img{width:100%;aspect-ratio:1.3/1;object-fit:cover;border-radius:var(--radius-lg)}
.timeline-guide{position:relative}
.timeline-guide:before{content:"";position:absolute;left:39px;top:88px;bottom:88px;width:1px;background:var(--line)}
.timeline-guide article{position:relative;display:grid;grid-template-columns:80px 1fr;gap:28px;padding:26px 0}
.timeline-guide article>span{position:relative;z-index:1;display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:var(--paper);border:1px solid var(--line);font-family:Georgia,serif;color:var(--primary-deep)}
.timeline-guide h2{font-size:1.75rem}
.timeline-guide p{color:var(--muted)}
.timeline-guide a{font-weight:800;color:var(--primary-deep)}
.troubleshooting-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.troubleshooting-grid dl{margin:0;border-top:1px solid var(--line)}
.troubleshooting-grid dl div{display:grid;grid-template-columns:150px 1fr;gap:22px;padding:18px 0;border-bottom:1px solid var(--line)}
.troubleshooting-grid dt{font-weight:800;color:var(--ink)}
.troubleshooting-grid dd{margin:0;color:var(--muted)}
.evidence-layout{display:grid;grid-template-columns:1fr 340px;gap:58px;align-items:start}
.evidence-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.evidence-list li{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.evidence-list li>span{color:var(--primary-deep);font-weight:900}
.evidence-list p{color:var(--muted);margin:0}
.evidence-aside{background:var(--paper-2);border-radius:var(--radius-md);overflow:hidden}
.evidence-aside img{width:100%;aspect-ratio:.8/1;object-fit:cover}
.evidence-aside h2,.evidence-aside p,.evidence-aside>a{margin-left:22px;margin-right:22px}
.evidence-aside h2{margin-top:22px;font-size:1.45rem}
.evidence-aside p{color:var(--muted)}
.evidence-aside>a{display:inline-block;margin-bottom:22px;font-weight:800;color:var(--primary-deep)}
.mobile-guide-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}
.mobile-guide-grid img{max-height:610px;width:100%;object-fit:cover;border-radius:120px 120px 28px 28px}
.mobile-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mobile-checks section{padding:28px;border:1px solid var(--line);border-radius:var(--radius-md);background:#FFFDFC}
.mobile-checks h2{font-size:1.55rem;margin:13px 0}
.mobile-checks p{color:var(--muted);margin:0}
.topics-hero{padding-bottom:52px}
.topic-index-page{display:grid;gap:58px}
.topic-index-group{display:grid;grid-template-columns:.88fr 1.12fr;gap:50px;padding-top:24px;border-top:1px solid var(--line)}
.topic-index-title{display:grid;grid-template-columns:58px 1fr;gap:18px}
.topic-index-title>span{font-family:Georgia,serif;color:#AD8B95;font-size:1.35rem}
.topic-index-title p{color:var(--muted)}
.topic-index-links{display:grid;border-top:1px solid var(--line)}
.topic-index-links a{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:800}
.topic-index-links span{font-size:.78rem;color:var(--primary-deep);font-weight:700}
.topic-visual-break{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.topic-visual-break figure{margin:0}
.topic-visual-break img{width:100%;aspect-ratio:1.5/1;object-fit:cover;border-radius:var(--radius-lg)}
.update-notes{display:grid;gap:0;border-top:1px solid var(--line)}
.update-notes article{padding:30px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:300px 1fr;gap:36px}
.update-notes h2{font-size:1.55rem;margin:0}
.update-notes p{color:var(--muted);margin:0}
.faq-hero-grid img{border-radius:50% 50% 22px 22px / 40% 40% 22px 22px}
.faq-page-list{border-top:1px solid var(--line)}
.faq-page-list details{padding:0;border-bottom:1px solid var(--line)}
.faq-page-list summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:56px 1fr;gap:18px;padding:22px 0;font-family:Georgia,"Songti SC",serif;font-size:1.22rem;color:var(--ink)}
.faq-page-list summary::-webkit-details-marker{display:none}
.faq-page-list summary span{font-family:Georgia,serif;color:#AD8B95;font-size:.95rem;padding-top:3px}
.faq-page-list details p{margin:0 0 24px 74px;color:var(--muted);max-width:720px}
.principles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.principles-grid article{padding:30px 0;border-top:3px solid var(--primary)}
.principles-grid h2{font-size:1.65rem}
.principles-grid p{color:var(--muted)}
.safety-notes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.safety-notes article{padding:28px;border:1px solid rgba(228,216,212,.9);border-radius:var(--radius-md)}
.safety-notes span{font-family:Georgia,serif;color:var(--primary-deep)}
.safety-notes h2{font-size:1.55rem;margin:18px 0 10px}
.safety-notes p{color:var(--muted);margin:0}
.policy-prose{font-size:1.04rem}
.policy-prose h2{margin-top:2em;font-size:1.75rem}
.policy-prose h2:first-child{margin-top:0}
.policy-prose p{color:#5F555A}
.policy-prose code{padding:2px 5px;background:#F0E6E3;border-radius:6px;font-size:.9em}
.feedback-layout{display:grid;grid-template-columns:1fr 340px;gap:58px;align-items:start}
.feedback-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.feedback-list li{display:grid;grid-template-columns:140px 1fr;gap:22px;padding:19px 0;border-bottom:1px solid var(--line)}
.feedback-list span{color:var(--muted)}
.feedback-warning{background:#FFF0E0;border:1px solid #E9C89F;padding:26px;border-radius:var(--radius-md)}
.feedback-warning h2{font-size:1.5rem}
.feedback-warning ul{padding-left:20px}
.feedback-warning li{margin:8px 0}
.search-page-hero{padding-bottom:30px}
.search-page-form{margin-top:28px}
.search-page-form label{display:block;font-weight:800;margin-bottom:8px}
.search-page-form>div{display:flex;gap:10px}
.search-page-form input{flex:1;min-width:0;border:1px solid var(--line);background:white;border-radius:999px;padding:12px 18px;color:var(--ink)}
.search-page-form button{border:0;background:var(--primary);color:white;border-radius:999px;padding:11px 20px;font-weight:800}
.result-count{color:var(--muted);margin-bottom:24px}
.result-list{border-top:1px solid var(--line)}
.result-list article{padding:24px 0;border-bottom:1px solid var(--line)}
.result-list h2{font-size:1.45rem;margin-bottom:8px}
.result-list h2 a{text-decoration:none}
.result-list p{color:var(--muted)}
.empty-state{padding:42px;background:var(--paper-2);border-radius:var(--radius-md)}
.not-found-page{min-height:62vh;display:grid;place-items:center;text-align:center}
.error-code{font-family:Georgia,serif;font-size:6rem;color:#D5ABB7;line-height:1;margin:0}
.not-found-page h1{font-size:3rem;margin:12px 0}
.not-found-page p{color:var(--muted);max-width:620px;margin-inline:auto}
.not-found-links{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:28px}
.site-footer{background:#211A1E;color:#D8CCD1;padding:64px 0 26px}
.footer-main{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-about p{color:#BFB1B7;max-width:430px}
.footer-brand{display:inline-block;font-family:Georgia,"Songti SC",serif;color:white;font-size:2rem;text-decoration:none;margin-bottom:14px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-links h2{font-family:inherit;font-size:.82rem;color:#EAB7C5;letter-spacing:.08em;text-transform:uppercase}
.footer-links a{display:block;color:#D8CCD1;text-decoration:none;padding:4px 0;font-size:.91rem}
.footer-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:24px;align-items:center;font-size:.78rem;color:#9F9097}
.footer-bottom p{margin:0}
.footer-bottom a{color:#C7B7BE}
.search-modal[hidden]{display:none !important}
.search-modal{position:fixed;inset:0;z-index:300;display:grid;place-items:start center;padding-top:11vh}
.search-backdrop{position:absolute;inset:0;background:rgba(25,18,22,.72);backdrop-filter:blur(7px)}
.search-panel{position:relative;width:min(calc(100% - 36px),720px);background:var(--paper);border-radius:30px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.28)}
.search-panel h2{font-size:2rem}
.search-panel>p:not(.eyebrow){color:var(--muted)}
.search-close{position:absolute;right:18px;top:18px;border:1px solid var(--line);background:white;border-radius:999px;padding:6px 11px}
.search-form label{display:block;font-weight:800;margin:22px 0 8px}
.search-row{display:flex;gap:10px}
.search-row input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:12px 16px;background:white}
.search-row button{border:0;border-radius:999px;background:var(--primary);color:white;padding:10px 20px;font-weight:800}
.back-to-top{position:fixed;right:20px;bottom:20px;z-index:80;border:1px solid var(--line);background:rgba(255,253,252,.92);color:var(--ink);border-radius:999px;padding:9px 13px;box-shadow:0 10px 24px rgba(43,34,40,.1)}
.back-to-top[hidden]{display:none}
@media (max-width:1080px){
    .header-inner{gap:12px}.primary-nav a{padding:8px 7px;font-size:.86rem}.brand-lockup small{display:none}
    .lead-grid,.watch-hero-grid{gap:40px}.lead-facts{grid-template-columns:1fr}.lead-facts div{padding:7px 0;border-bottom:1px solid var(--line)}
    .roadmap-item>div{grid-template-columns:140px 1fr}.roadmap-item p,.roadmap-item .text-link{grid-column:2}
    .feature-split,.mobile-story,.guide-grid,.app-grid{gap:46px}
    .topic-columns section:nth-child(1),.topic-columns section:nth-child(2),.topic-columns section:nth-child(3){grid-column:span 4}
}
@media (max-width:920px){
    .menu-toggle{display:inline-flex}.primary-nav{position:absolute;left:24px;right:24px;top:76px;display:none;flex-direction:column;align-items:stretch;background:var(--white);padding:14px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.primary-nav.is-open{display:flex}.primary-nav a{padding:10px 12px}.search-trigger{font-size:0}.search-trigger:after{content:"搜索";font-size:.84rem}
    .lead-grid,.feature-split,.discovery-layout,.bridge-grid,.mobile-story,.guide-grid,.editorial-hero-grid,.watch-hero-grid,.app-grid,.guide-hero-grid,.evidence-layout,.mobile-guide-grid,.topic-visual-break,.about-grid,.faq-hero-grid,.contact-grid,.safety-grid,.feedback-layout{grid-template-columns:1fr}
    .lead-media{max-width:680px}.lead-media img{aspect-ratio:1.45/1;border-radius:38px}.lead-facts{grid-template-columns:repeat(3,1fr)}.lead-facts div{border-bottom:0}
    .feature-image{max-width:560px}.tall-image img{aspect-ratio:1.2/1;border-radius:38px}
    .discovery-side{grid-template-columns:1fr 1fr}.compact-index a{grid-template-columns:90px 1fr}.compact-index small{grid-column:2}
    .topic-columns{grid-template-columns:1fr}.topic-columns section:nth-child(n){grid-column:auto}
    .phone-pair{max-width:660px}
    .article-flow,.reverse-aside{grid-template-columns:1fr}.article-aside{position:static;order:2}
    .watch-paths{grid-template-columns:1fr 1fr}.watch-paths article:nth-child(2),.watch-paths article:nth-child(3){margin-top:0}.watch-paths article:nth-child(3){grid-column:1/-1}
    .discovery-editorial{grid-template-columns:1fr}.discovery-rail{position:static;max-width:560px}.discovery-rail img{aspect-ratio:1.3/1}
    .app-visual-stack{min-height:520px;max-width:680px}.topic-index-group{grid-template-columns:1fr;gap:20px}
    .footer-main{grid-template-columns:1fr;gap:36px}
}
@media (max-width:700px){
    .shell-wide,.shell-narrow,.shell-article{width:min(calc(100% - 32px),var(--shell))}.section-space{padding-block:64px}
    .site-header .header-inner{min-height:70px}.brand-lockup img{width:40px;height:40px}.brand-lockup strong{font-size:1rem}.search-trigger,.menu-toggle{padding:7px 10px}
    h1{font-size:clamp(2.35rem,11vw,3.5rem)}.lead-text{font-size:1rem}
    .home-lead{padding-top:48px}.lead-grid{gap:34px}.lead-actions{align-items:flex-start;flex-direction:column}.lead-facts{grid-template-columns:1fr}.lead-facts div{border-bottom:1px solid var(--line)}
    .roadmap-item{grid-template-columns:40px 1fr}.roadmap-item>div{grid-template-columns:1fr;gap:10px}.roadmap-item p,.roadmap-item .text-link{grid-column:auto}
    .section-head-row{align-items:flex-start;flex-direction:column}.discovery-side{grid-template-columns:1fr}.compact-index a{grid-template-columns:1fr;gap:7px}.compact-index small{grid-column:auto}
    .editorial-points div{grid-template-columns:1fr;gap:5px}.bridge-grid{gap:36px}.bridge-links a{flex-direction:column}.bridge-links span{text-align:left}
    .phone-pair{gap:12px}.phone-pair img{border-radius:46px 46px 18px 18px}.phone-pair img:first-child{transform:translateY(-14px)}
    .number-list li{grid-template-columns:42px 1fr}.checklist-grid,.two-column-notes,.panorama-links,.mobile-checks,.principles-grid,.safety-notes{grid-template-columns:1fr}
    .watch-collage{grid-template-columns:1fr 1fr}.watch-index-head{grid-template-columns:1fr;gap:18px}.watch-paths{grid-template-columns:1fr}.watch-paths article:nth-child(3){grid-column:auto}.line-list a{grid-template-columns:1fr;gap:6px}.line-list b{justify-self:start}
    .visual-pair{grid-template-columns:1fr}.visual-pair figure:nth-child(2){margin-top:0}.step-list>div{grid-template-columns:34px 1fr}.step-list p{grid-column:2}
    .timeline-guide:before{left:26px}.timeline-guide article{grid-template-columns:54px 1fr;gap:18px}.timeline-guide article>span{width:46px;height:46px}
    .troubleshooting-grid{grid-template-columns:1fr;gap:28px}.troubleshooting-grid dl div{grid-template-columns:1fr;gap:5px}
    .evidence-list li{grid-template-columns:1fr;gap:7px}.topic-index-title{grid-template-columns:44px 1fr}.update-notes article{grid-template-columns:1fr;gap:10px}
    .faq-page-list summary{grid-template-columns:42px 1fr}.faq-page-list details p{margin-left:60px}.feedback-list li{grid-template-columns:1fr;gap:6px}
    .footer-links{grid-template-columns:1fr 1fr}.footer-bottom{align-items:flex-start;flex-direction:column}.search-panel{padding:30px 22px}.search-row,.search-page-form>div{flex-direction:column}.search-row button,.search-page-form button{min-height:46px}
}
@media (max-width:430px){
    .brand-lockup span{display:none}.header-inner{gap:8px}.menu-toggle{margin-left:auto}.footer-links{grid-template-columns:1fr}.lead-media figcaption{margin-left:0}.page-hero{padding-top:50px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}