:root{--bg: #eef1e8;--bg-warm: #f3f5ee;--bg-paper: #f6f8f2;--surface: #ffffff;--surface-alt: #ecf0e5;--ink: #1a2620;--ink-soft: #4a5e54;--ink-mute: #7a9084;--line: rgba(58, 111, 95, .15);--line-strong: rgba(58, 111, 95, .28);--sepia: #7aaa96;--sepia-dark: #3a6f5f;--accent: #3a6f5f;--accent-hover: #2e5a4c;--accent-soft: #d4e8e1;--warn: #c14a3a;--ok: #3a6f5f;--type-scale: 1;--shadow-sm: 0 1px 2px rgba(26, 38, 32, .04), 0 1px 1px rgba(26, 38, 32, .02);--shadow-md: 0 2px 8px rgba(26, 38, 32, .06), 0 8px 24px rgba(26, 38, 32, .04);--shadow-lg: 0 8px 32px rgba(26, 38, 32, .1), 0 24px 64px rgba(26, 38, 32, .06);--shadow-photo: 0 1px 0 rgba(255,255,255,.6) inset, 0 14px 28px -10px rgba(26, 38, 32, .25), 0 2px 6px rgba(26, 38, 32, .08);--r-sm: 6px;--r-md: 10px;--r-lg: 18px;--r-xl: 28px;--font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;--font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;--font-num: "Fraunces", "Lora", Georgia, serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:calc(15px * var(--type-scale));line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;-webkit-text-size-adjust:100%;text-size-adjust:100%}input,textarea,select,button{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}::selection{background:var(--accent-soft);color:var(--ink)}.serif{font-family:var(--font-serif);font-weight:500;letter-spacing:.01em}.sans{font-family:var(--font-sans)}.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"ss01"}.eyebrow{font-size:calc(12px * var(--type-scale));font-weight:500;letter-spacing:.22em;color:var(--ink-mute);text-transform:uppercase}.eyebrow.zh{letter-spacing:.35em;text-transform:none}#root{min-height:100vh}.seo-static{min-height:100vh;padding:clamp(48px,8vw,88px) clamp(20px,5vw,64px)}.js .seo-static{display:none}.seo-static-hero,.seo-static-content{width:min(920px,100%);margin:0 auto}.seo-static-hero{padding-bottom:32px;border-bottom:1px solid var(--line)}.seo-static-hero h1{margin:14px 0 16px;font-size:clamp(34px,6vw,58px);line-height:1.2}.seo-static-hero p,.seo-static-section p,.seo-static-section li{color:var(--ink-soft)}.seo-static-content{display:grid;gap:28px;padding-top:32px}.seo-static-section{padding:clamp(24px,4vw,36px);background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg)}.seo-static-section h2{margin:0 0 14px;font-size:clamp(24px,4vw,32px)}.seo-static-section p:last-child,.seo-static-section ul:last-child,.seo-static-section figure{margin-bottom:0}.seo-static-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.seo-static-links a,.seo-static-faq a{color:var(--accent-hover);text-decoration:underline;text-underline-offset:3px}.seo-static-faq details{padding:16px 0;border-top:1px solid var(--line)}.seo-static-faq details:first-of-type{border-top:0}.seo-static-faq summary{color:var(--ink);font-weight:600;cursor:pointer}.seo-static-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.seo-static-gallery figure{margin:0}.seo-static-gallery img{width:100%;border-radius:var(--r-md)}.seo-static-gallery figcaption{margin-top:8px;color:var(--ink-mute);font-size:13px}.seo-static-nav{display:flex;flex-wrap:wrap;gap:10px;padding-top:4px}.seo-static-nav a{padding:8px 12px;color:var(--accent-hover);background:var(--accent-soft);border-radius:999px}.app-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.app-shell:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(80% 50% at 50% 0%,rgba(201,168,119,.12),transparent 60%),radial-gradient(60% 40% at 100% 100%,rgba(168,85,14,.04),transparent 70%);z-index:0}main{position:relative;z-index:1;flex:1}.nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:16px clamp(20px,4vw,56px);background:#f5efe6d1;backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);border-bottom:1px solid var(--line)}.nav-mobile,.nav-burger,.nav-scrim,.nav-drawer{display:none}.nav-brand{display:flex;align-items:center;gap:10px;cursor:pointer}.nav-brand .mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(155deg,#f0d9b5,#a8550e);position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #2a1f1414,0 1px 2px #2a1f141f}.nav-brand .mark:after{content:"";position:absolute;top:6px;right:6px;bottom:6px;left:6px;border-radius:50%;border:1.5px solid rgba(255,255,255,.55);box-shadow:0 0 0 1px #2a1f141f}.nav-brand .name{font-family:var(--font-serif);font-weight:600;font-size:calc(20px * var(--type-scale));letter-spacing:.04em;color:var(--ink)}.nav-brand .name em{color:var(--accent);font-style:normal}.nav-brand .sub{font-size:calc(11px * var(--type-scale));color:var(--ink-mute);letter-spacing:.15em;margin-left:8px;padding-left:8px;border-left:1px solid var(--line)}.nav-links{display:flex;align-items:center;gap:clamp(8px,2vw,28px)}.nav-link{font-size:calc(14px * var(--type-scale));color:var(--ink-soft);cursor:pointer;padding:6px 0;text-decoration:none;transition:color .15s}.nav-link:hover{color:var(--accent)}.nav-link.active{color:var(--ink);border-bottom:1.5px solid var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;border:1px solid transparent;font-family:inherit;font-size:calc(15px * var(--type-scale));font-weight:500;cursor:pointer;transition:transform .12s,background .15s,box-shadow .15s,color .15s;white-space:nowrap;background:transparent;color:var(--ink);line-height:1.2}.btn:active{transform:translateY(1px)}.btn[disabled]{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff7ec;box-shadow:0 2px #0000000a,0 8px 18px -6px #a8550e73}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}.btn-ghost:hover{background:#8b6f4e0f}.btn-soft{background:var(--accent-soft);color:var(--accent-hover)}.btn-soft:hover{background:#facaa1}.btn-lg{padding:16px 30px;font-size:calc(17px * var(--type-scale))}.btn-xl{padding:18px 36px;font-size:calc(18px * var(--type-scale));font-weight:600}.btn .arr{font-size:1.1em;transition:transform .2s}.btn:hover .arr{transform:translate(3px)}.free-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 8px;border-radius:999px;background:#5a7a3f1f;color:#46622f;font-size:calc(12.5px * var(--type-scale));font-weight:500;letter-spacing:.02em}.free-pill:before{content:"";width:6px;height:6px;border-radius:50%;background:#5a7a3f;box-shadow:0 0 0 3px #5a7a3f2e}.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:calc(12px * var(--type-scale));color:var(--ink-soft)}.card{background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-sm)}.paper{background:var(--bg-paper);border-radius:var(--r-lg);border:1px solid var(--line)}.photo{position:relative;background:var(--surface-alt);border-radius:2px;overflow:hidden;box-shadow:var(--shadow-photo);padding:12px 12px 38px;background:#fdfaf3}.photo .frame{position:relative;width:100%;aspect-ratio:4/5;border-radius:1px;overflow:hidden;background:#d9c9b0}.photo .frame.sq{aspect-ratio:1}.photo .frame img{width:100%;height:100%;display:block;object-fit:cover}.photo.old .frame{background:radial-gradient(circle at 50% 38%,#785a3c73,#785a3c00 28%),radial-gradient(ellipse at 50% 85%,#785a3c8c,#785a3c00 50%),linear-gradient(160deg,#d9c5a8,#b89a78);filter:contrast(.88) saturate(.5) blur(.4px)}.photo.old .frame:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(rgba(0,0,0,.18) 1px,transparent 1px),radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:3px 3px,4px 4px;background-position:0 0,1px 1px;mix-blend-mode:multiply;opacity:.5}.photo.old .frame:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(45deg,transparent 40%,rgba(255,255,255,.15) 50%,transparent 60%),repeating-linear-gradient(90deg,transparent 0 80px,rgba(120,90,60,.08) 80px 82px);pointer-events:none}.photo.bad .frame{background:radial-gradient(circle at 50% 36%,#f0d4b8 0%,#d4a878 30%,transparent 50%),radial-gradient(ellipse at 50% 82%,#6a4530 0%,transparent 55%),linear-gradient(170deg,#ead9c4,#c8a888);filter:saturate(1.1) contrast(1.1)}.photo.bad .frame:after{content:"≠";position:absolute;inset:auto 0 6px 0;text-align:center;font-family:var(--font-serif);font-size:14px;color:var(--warn);opacity:0}.photo.good .frame{background:radial-gradient(circle at 50% 38%,#785a3c99,#785a3c00 28%),radial-gradient(ellipse at 50% 85%,#463223b3,#46322300 50%),linear-gradient(160deg,#ede0cb,#c9a878);filter:contrast(1.05) saturate(1)}.photo .caption{position:absolute;bottom:8px;left:0;right:0;text-align:center;font-family:var(--font-serif);font-size:calc(13px * var(--type-scale));color:var(--ink-soft);letter-spacing:.08em}.stat{display:flex;flex-direction:column;gap:6px}.stat .num{font-size:calc(40px * var(--type-scale));font-weight:500;line-height:1;color:var(--ink);letter-spacing:-.01em}.stat .num .pct{font-size:.55em;color:var(--accent);margin-left:2px}.stat .lbl{font-size:calc(13px * var(--type-scale));color:var(--ink-mute);letter-spacing:.1em}.container{width:100%;max-width:1180px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}.container.narrow{max-width:880px}.container.tight{max-width:560px}section{padding:clamp(56px,8vw,120px) 0}.legal-page{padding-top:56px;padding-bottom:96px}.legal-page .legal-head{margin-bottom:8px}.legal-page .legal-head h1{margin-top:10px;font-size:clamp(26px,4vw,38px)}.legal-page section{padding:28px 0;border-top:1px solid var(--line)}.legal-page section:first-of-type{border-top:none;padding-top:32px}.legal-page h2{font-size:1.1em;color:var(--ink);margin-bottom:12px}.legal-page p,.legal-page li{color:var(--ink-soft);line-height:1.75}.legal-page ul{padding-left:1.3em;margin:4px 0}.legal-page li{margin-bottom:8px}.legal-link{color:var(--accent);cursor:pointer;text-decoration:underline}.cases-page{padding-bottom:96px}.cases-hero{padding:clamp(44px,7vw,88px) 0 clamp(28px,5vw,56px)}.cases-head{max-width:760px;margin:0 auto;text-align:center}.cases-head h1{margin:14px 0;font-size:clamp(34px,5vw,58px);line-height:1.18}.cases-head p{max-width:620px;margin:0 auto 26px;color:var(--ink-soft);font-size:calc(17px * var(--type-scale));line-height:1.75}.cases-gallery-section{padding:0}.cases-masonry{column-width:280px;column-gap:18px}.case-tile{display:inline-block;width:100%;margin:0 0 18px;break-inside:avoid;overflow:hidden;border-radius:var(--r-md);background:var(--surface);background-size:cover;background-position:center;border:1px solid rgba(58,111,95,.12);box-shadow:var(--shadow-photo)}.case-tile img{width:100%;height:auto;display:block;opacity:0;transition:opacity .45s ease}.case-tile img.is-loaded{opacity:1}.featured-case-section{padding:0 0 clamp(44px,7vw,72px)}.featured-case-card{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--r-xl);background:var(--bg-paper);box-shadow:var(--shadow-md);transition:transform .2s ease,box-shadow .2s ease}.featured-case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.featured-case-image{min-height:420px;overflow:hidden;background:var(--surface-alt)}.featured-case-image img{width:100%;height:100%;object-fit:cover;object-position:50% 40%}.featured-case-copy{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:clamp(32px,5vw,64px)}.featured-case-copy h2{margin:14px 0 16px;font-size:clamp(26px,3.2vw,40px);line-height:1.32}.featured-case-copy p{margin:0 0 24px;color:var(--ink-soft);line-height:1.8}@media (prefers-reduced-motion: reduce){.case-tile img{transition:none}}.home-hero{padding:clamp(40px,5vw,64px) 0 clamp(68px,8vw,104px)}.hero-container{max-width:1380px}.hero-compare-grid{display:grid;grid-template-columns:minmax(420px,.78fr) minmax(600px,1.22fr);gap:clamp(20px,3vw,44px);align-items:center}.hero-compare-grid>*{min-width:0}.hero-content{position:relative;z-index:5;padding-left:clamp(0px,1vw,14px)}.hero-title{display:flex;flex-direction:column;gap:4px;font-size:clamp(36px,3.25vw,44px);line-height:1.2;margin:14px 0 0;letter-spacing:.02em}.hero-title span:last-child{color:var(--accent)}.hero-copy{max-width:520px;margin:20px 0 0;color:var(--ink-soft);font-size:calc(18px * var(--type-scale));line-height:1.7;overflow-wrap:anywhere}.hero-copy em{color:var(--ink);font-style:normal;border-bottom:1.5px dashed var(--accent)}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.hero-trust{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;color:var(--ink-soft);font-size:calc(12.5px * var(--type-scale))}.hero-trust span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}.hero-trust span:before{content:"";width:5px;height:5px;flex:0 0 auto;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px #3a6f5f1c}.hero-story{position:relative;height:520px;min-width:0;margin:0}.hero-story:before{content:"";position:absolute;top:8px;right:0;bottom:26px;left:0;border-radius:26px;background:radial-gradient(circle at 60% 45%,rgba(212,232,225,.72),rgba(255,255,255,.16) 62%,transparent 78%)}.hero-story-photo{position:absolute;overflow:hidden;border:8px solid rgba(255,255,255,.92);border-radius:26px;background:var(--surface-alt);box-shadow:var(--shadow-photo)}.hero-story-photo>img{width:100%;height:100%;object-fit:cover}.hero-story-before{z-index:1;left:2.5%;top:72px;width:39%;height:370px}.hero-story-before>img{filter:sepia(.12) contrast(.93)}.hero-story-after{z-index:2;top:20px;right:2.5%;width:64%;height:456px}.hero-story-label{position:absolute;top:20px;left:20px;padding:7px 14px;border-radius:999px;color:var(--ink);background:#ffffffeb;font-size:calc(13px * var(--type-scale));font-weight:700;box-shadow:var(--shadow-sm)}.hero-story-after .hero-story-label{right:20px;left:auto;color:#fff;background:#2e5a4cf0}.hero-story-before>p{position:absolute;left:14px;bottom:14px;margin:0;padding:4px 8px;border-radius:999px;color:var(--ink-soft);background:#ffffffd6;font-size:calc(12px * var(--type-scale))}.hero-result-copy{position:absolute;right:0;bottom:0;left:0;display:flex;flex-direction:column;gap:8px;padding:70px 24px 26px 44%;color:#fff;background:linear-gradient(transparent,#0f1c16d1)}.hero-result-copy strong{font-size:clamp(21px,2.3vw,31px);line-height:1.42}.hero-result-copy span{color:#ffffffb8;font-size:calc(12px * var(--type-scale))}.hero-story-reference{position:absolute;z-index:4;left:31%;top:232px;width:27%;padding:8px 8px 13px;border:6px solid rgba(255,255,255,.96);border-radius:18px;background:#fff;box-shadow:0 16px 32px -12px #1a262073;transform:rotate(4deg)}.hero-story-reference img{width:100%;aspect-ratio:1 / 1.08;object-fit:cover;object-position:50% 26%;border-radius:10px}.hero-story-reference>span{position:absolute;top:-30px;left:-7px;padding:5px 12px;border-radius:999px;color:#fff;background:var(--accent-hover);font-size:calc(11.5px * var(--type-scale));font-weight:600;white-space:nowrap;transform:rotate(-2deg)}.hero-story-reference strong{display:block;margin-top:7px;color:var(--ink);font-size:calc(13px * var(--type-scale));line-height:1.2}.hero-story-operator{position:absolute;z-index:5;display:grid;place-items:center;width:34px;height:34px;border:1px solid rgba(255,255,255,.72);border-radius:50%;color:#fff;background:var(--accent);box-shadow:var(--shadow-md);font-size:21px;font-weight:600;line-height:1}.hero-story-operator.is-plus{left:29%;top:184px}.hero-story-operator.is-equals{left:56%;top:276px}.hero-story figcaption{position:absolute;z-index:6;right:3%;bottom:0;color:var(--ink-mute);font-size:calc(11px * var(--type-scale));letter-spacing:.02em}.proof-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-warm)}.proof-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.proof-stat{min-height:190px;padding:26px;align-items:center;justify-content:center;text-align:center}.proof-stat .num{font-size:clamp(32px,3.5vw,46px)}.proof-stat .lbl{letter-spacing:.06em}.product-facts-section{border-bottom:1px solid var(--line);background:var(--bg-paper)}.product-facts-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.product-fact{min-height:220px;padding:26px}.product-fact>span{display:inline-flex;padding:5px 9px;border-radius:999px;color:var(--accent-hover);background:var(--accent-soft);font-size:calc(11px * var(--type-scale));font-weight:600;letter-spacing:.08em}.product-fact h3{margin:22px 0 10px;font-size:calc(21px * var(--type-scale));line-height:1.4}.product-fact p{margin:0;color:var(--ink-soft);font-size:calc(13.5px * var(--type-scale));line-height:1.75}.section-head{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;margin-bottom:56px}.section-head h2{font-family:var(--font-serif);font-size:clamp(28px,3.4vw,44px);font-weight:500;margin:0;letter-spacing:.02em}.section-head p{max-width:600px;margin:0;color:var(--ink-soft);font-size:calc(16px * var(--type-scale));line-height:1.7}.anchor-evidence-section{padding-top:36px}.anchor-evidence-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(36px,7vw,88px);align-items:center;padding:clamp(32px,6vw,68px);border:1px solid var(--line-strong);border-radius:var(--r-xl);background:linear-gradient(145deg,var(--bg-paper),var(--accent-soft))}.anchor-evidence-copy h2{margin:14px 0 20px;font-size:clamp(28px,3vw,36px);line-height:1.28}.anchor-evidence-copy h2 span{display:block;white-space:nowrap}.anchor-evidence-copy p{margin:0 0 14px;color:var(--ink-soft);line-height:1.8}.text-link{display:inline-flex;align-items:center;gap:8px;margin-top:10px;color:var(--accent-hover);font-weight:600}.text-link span{transition:transform .2s ease}.text-link:hover span{transform:translate(4px)}.anchor-evidence-visual{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;min-width:0}.anchor-evidence-photo{position:relative;overflow:hidden;min-width:0;aspect-ratio:4 / 5;border-radius:var(--r-lg);background:var(--surface-alt);box-shadow:var(--shadow-photo)}.anchor-evidence-photo.is-before{transform:rotate(-1.6deg) translateY(12px)}.anchor-evidence-photo.is-after{transform:rotate(1.2deg) translateY(-8px)}.anchor-evidence-photo.is-reference{z-index:2;transform:translateY(14px)}.anchor-evidence-photo img{width:100%;height:100%;object-fit:cover}.anchor-evidence-photo span{position:absolute;left:12px;bottom:12px;padding:6px 10px;border-radius:999px;color:var(--ink);background:#ffffffe6;font-size:calc(12px * var(--type-scale));box-shadow:var(--shadow-sm)}.anchor-evidence-photo.is-after span{color:#fff;background:#2e5a4ceb}.anchor-evidence-photo.is-reference span{color:var(--accent-hover);background:#fffffff0}.faq-section{padding-top:clamp(76px,10vw,128px)}.faq-grid{display:grid;grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr);gap:clamp(40px,8vw,112px);align-items:start}.faq-intro{position:sticky;top:116px}.faq-intro h2{margin:14px 0 16px;font-size:clamp(38px,5vw,60px);line-height:1.15}.faq-intro p{max-width:360px;margin:0 0 18px;color:var(--ink-soft);font-size:calc(16px * var(--type-scale));line-height:1.8}.faq-list{border-top:1px solid var(--line-strong)}.faq-item{border-bottom:1px solid var(--line-strong)}.faq-item summary{display:grid;grid-template-columns:minmax(0,1fr) 24px;gap:24px;align-items:center;padding:24px 0;color:var(--ink);font-size:calc(17px * var(--type-scale));font-weight:600;line-height:1.55;cursor:pointer;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-toggle{position:relative;width:18px;height:18px}.faq-toggle:before,.faq-toggle:after{content:"";position:absolute;left:50%;top:50%;width:16px;height:1.5px;background:currentColor;transform:translate(-50%,-50%);transition:transform .2s ease}.faq-toggle:after{transform:translate(-50%,-50%) rotate(90deg)}.faq-item[open] summary{color:var(--accent-hover)}.faq-item[open] .faq-toggle:after{transform:translate(-50%,-50%) rotate(0)}.faq-answer{max-width:700px;padding:0 48px 24px 0;color:var(--ink-soft);line-height:1.8}.faq-answer p{margin:0}.faq-answer a{display:inline-block;margin-top:8px;color:var(--accent-hover);text-decoration:underline;text-underline-offset:4px}.case-study-page{padding-bottom:96px}.case-study-hero{padding:clamp(36px,6vw,72px) 0 clamp(64px,9vw,112px)}.case-study-back{display:inline-block;margin-bottom:32px;color:var(--ink-mute);font-size:calc(13px * var(--type-scale))}.case-study-back:hover{color:var(--accent-hover)}.case-study-hero-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,7vw,84px);align-items:center}.case-study-heading h1{margin:16px 0 22px;font-size:clamp(36px,5vw,62px);line-height:1.18}.case-study-heading>p{margin:0;color:var(--ink-soft);font-size:calc(17px * var(--type-scale));line-height:1.8}.case-study-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.case-study-tags span{padding:6px 11px;border:1px solid var(--line-strong);border-radius:999px;color:var(--accent-hover);background:var(--accent-soft);font-size:calc(12px * var(--type-scale))}.case-study-compare p{margin:14px 16px 0;color:var(--ink-mute);font-size:calc(12.5px * var(--type-scale));line-height:1.65;text-align:center}.case-study-compare-with-reference{position:relative}.case-study-reference-card{position:absolute;z-index:6;left:-34px;bottom:52px;width:154px;padding:7px;border:5px solid #fff;border-radius:16px;background:#fff;box-shadow:0 14px 30px -10px #1a26206b;transform:rotate(-4deg)}.case-study-reference-card span{position:absolute;top:-30px;left:-5px;padding:5px 10px;border-radius:999px;color:#fff;background:var(--accent-hover);font-size:calc(10.5px * var(--type-scale));font-weight:600;white-space:nowrap}.case-study-reference-card img{width:100%;aspect-ratio:1 / 1.08;object-fit:cover;object-position:50% 25%;border-radius:9px}.case-study-body{padding:0}.case-study-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(44px,8vw,104px);align-items:start}.case-study-article{border-top:1px solid var(--line-strong)}.case-study-item{border-bottom:1px solid var(--line-strong)}.case-study-item summary{display:grid;grid-template-columns:108px minmax(0,1fr) 22px;gap:20px;align-items:center;padding:26px 0;cursor:pointer;list-style:none}.case-study-item summary::-webkit-details-marker{display:none}.case-study-question{font-size:clamp(22px,2.8vw,32px);line-height:1.35}.case-study-item[open] summary{color:var(--accent-hover)}.case-study-item[open] .faq-toggle:after{transform:translate(-50%,-50%) rotate(0)}.case-step{color:var(--accent);font-size:calc(12px * var(--type-scale));font-weight:600;letter-spacing:.14em}.case-checklist h2{margin:12px 0 18px;font-size:clamp(26px,3.2vw,38px);line-height:1.38}.case-study-item p,.case-study-item li,.case-checklist li{color:var(--ink-soft);line-height:1.85}.case-study-item>p,.case-study-item>ul{margin:0;padding:0 40px 26px 128px}.case-checklist ul{margin:0;padding-left:1.25em}.case-study-item li+li,.case-checklist li+li{margin-top:10px}.case-study-aside{position:sticky;top:112px}.case-checklist{padding:28px}.case-checklist h2{font-size:28px}.case-checklist .btn{width:100%;margin-top:24px}.technology-page{padding-bottom:96px}.technology-hero{padding:clamp(52px,8vw,112px) 0}.technology-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);gap:clamp(44px,9vw,120px);align-items:center}.technology-heading h1{margin:16px 0 24px;font-size:clamp(42px,6vw,76px);line-height:1.13}.technology-heading>p{max-width:680px;margin:0;color:var(--ink-soft);font-size:calc(18px * var(--type-scale));line-height:1.9}.technology-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.technology-information-card{padding:clamp(26px,4vw,38px);border:1px solid rgba(58,111,95,.22);border-radius:var(--r-xl);background:radial-gradient(circle at 90% 0,rgba(58,111,95,.14),transparent 34%),var(--bg-paper);box-shadow:var(--shadow-lg)}.technology-card-kicker{display:block;color:var(--accent-hover);font-size:calc(12px * var(--type-scale));font-weight:600;letter-spacing:.08em}.technology-information-card>h2{margin:10px 0 26px;font-size:clamp(27px,3.4vw,38px);line-height:1.35}.technology-information-list{display:grid;gap:12px}.technology-information-row{display:grid;grid-template-columns:38px minmax(0,1fr);gap:14px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:var(--r-md);background:#fffdf8b8}.technology-information-row.is-missing{border-color:#a8550e2e;background:#a8550e0b}.technology-information-row.is-anchor{border-color:#3a6f5f47;background:#3a6f5f12}.technology-information-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-family:var(--font-num);font-size:19px;font-weight:600}.technology-information-row.is-missing .technology-information-icon{background:#a8550e1a;color:var(--sepia-dark)}.technology-information-row strong{display:block;margin-bottom:4px;font-size:calc(15px * var(--type-scale))}.technology-information-row p{margin:0;color:var(--ink-soft);font-size:calc(13.5px * var(--type-scale));line-height:1.7}.technology-problem-section,.technology-anchor-section,.technology-model-section{border-top:1px solid var(--line)}.technology-problem-section{background:var(--bg-warm)}.technology-reading-layout{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.2fr);gap:clamp(40px,8vw,112px);align-items:start}.technology-reading-lead{position:sticky;top:112px}.technology-reading-lead h2{margin:14px 0 0;font-size:clamp(32px,4.6vw,54px);line-height:1.28}.technology-reading-copy{color:var(--ink-soft);font-size:calc(16.5px * var(--type-scale));line-height:1.95}.technology-reading-copy p{margin:0}.technology-reading-copy p+p{margin-top:24px}.technology-reading-copy .technology-pullquote{padding:0 0 0 24px;border-left:3px solid var(--accent);color:var(--ink);font-size:clamp(23px,3vw,33px);line-height:1.65}.technology-section-head{max-width:820px;margin-bottom:42px}.technology-section-head h2{margin:14px 0 18px;font-size:clamp(34px,5vw,58px);line-height:1.25}.technology-section-head p{margin:0;color:var(--ink-soft);font-size:calc(16.5px * var(--type-scale));line-height:1.85}.technology-situation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.technology-situation-card{min-height:340px;padding:clamp(28px,4vw,42px)}.technology-situation-card.is-highlighted{border-color:#3a6f5f57;background:linear-gradient(145deg,#fffdf8f5,#3a6f5f17)}.technology-situation-label{display:inline-flex;padding:7px 11px;border-radius:999px;background:var(--bg-warm);color:var(--sepia-dark);font-size:calc(12px * var(--type-scale));font-weight:600}.technology-situation-card.is-highlighted .technology-situation-label{background:var(--accent-soft);color:var(--accent)}.technology-situation-card h3{margin:30px 0 18px;font-size:clamp(27px,3.4vw,38px);line-height:1.4}.technology-situation-card p{margin:0;color:var(--ink-soft);font-size:calc(15.5px * var(--type-scale));line-height:1.9}.technology-anchor-section{background:linear-gradient(180deg,var(--bg-paper),var(--bg-warm))}.technology-anchor-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.9fr);gap:clamp(48px,8vw,104px);align-items:center}.technology-anchor-copy h2{margin:14px 0 22px;font-size:clamp(34px,5vw,58px);line-height:1.28}.technology-anchor-copy p{margin:0;color:var(--ink-soft);font-size:calc(16px * var(--type-scale));line-height:1.9}.technology-anchor-copy p+p{margin-top:18px}.technology-anchor-copy .text-link{margin-top:24px}.technology-anchor-diagram{display:grid;gap:10px;padding:clamp(24px,4vw,38px);border:1px solid var(--line-strong);border-radius:var(--r-xl);background:#fffdf8c7;box-shadow:var(--shadow-md)}.technology-diagram-node{display:grid;grid-template-columns:42px minmax(0,1fr);padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-paper)}.technology-diagram-node>span{grid-row:1 / span 2;color:var(--sepia);font-family:var(--font-num);font-size:13px}.technology-diagram-node>strong{font-size:calc(17px * var(--type-scale))}.technology-diagram-node>small{margin-top:3px;color:var(--ink-mute)}.technology-diagram-node.is-anchor{border-color:#3a6f5f40;background:#3a6f5f0f}.technology-diagram-node.is-result{border-color:var(--accent);background:var(--accent);color:#fffaf2}.technology-diagram-node.is-result>span,.technology-diagram-node.is-result>small{color:#fffaf2b8}.technology-diagram-symbol{padding-left:36px;color:var(--ink-mute);font-family:var(--font-num);font-size:22px;line-height:1}.technology-model-section{background:var(--bg-paper)}.technology-model-note{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:clamp(40px,8vw,112px);padding:clamp(30px,5vw,54px);border:1px solid var(--line);border-radius:var(--r-xl);background:var(--bg-warm)}.technology-model-note h2{margin:14px 0 0;font-size:clamp(30px,4.2vw,48px);line-height:1.32}.technology-model-copy p{margin:0;color:var(--ink-soft);line-height:1.85}.technology-model-copy p+p{margin-top:16px}.technology-source-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px}.technology-source-links a{color:var(--accent-hover);font-size:calc(13px * var(--type-scale));text-decoration:underline;text-underline-offset:4px}.technology-model-copy>small{display:block;margin-top:16px;color:var(--ink-mute);line-height:1.7}.technology-boundary-section{border-top:1px solid var(--line)}.technology-cta{padding-top:0}.technology-cta-card{padding:clamp(38px,7vw,72px);border:1px solid var(--line-strong);border-radius:var(--r-xl);background:linear-gradient(155deg,var(--bg-paper),var(--accent-soft));text-align:center}.technology-cta-card h2{margin:14px 0;font-size:clamp(30px,4.5vw,48px)}.technology-cta-card p{max-width:600px;margin:0 auto 28px;color:var(--ink-soft)}.technology-domestic-note{display:flex;justify-content:center;gap:8px 14px;width:fit-content;max-width:100%;margin:-8px auto 28px;padding:11px 16px;border:1px solid rgba(58,111,95,.18);border-radius:999px;background:#3a6f5f12;color:var(--ink-soft);font-size:calc(13px * var(--type-scale));line-height:1.6}.technology-domestic-note strong{flex:0 0 auto;color:var(--accent-hover)}.anchor-technology-link{display:block;width:fit-content;margin-top:12px}@media (max-width: 760px){.technology-hero-grid,.technology-reading-layout,.technology-situation-grid,.technology-anchor-grid,.technology-model-note{grid-template-columns:1fr}.technology-hero-grid,.technology-anchor-grid{gap:38px}.technology-reading-layout,.technology-model-note{gap:32px}.technology-reading-lead{position:static}.technology-actions .btn{width:100%}.technology-situation-card{min-height:0}.technology-anchor-diagram{padding:18px}.technology-source-links{display:grid}.technology-domestic-note{display:grid;width:100%;border-radius:var(--r-md)}}.footer{border-top:1px solid var(--line);padding:36px 0 28px;color:var(--ink-mute);font-size:calc(13px * var(--type-scale))}.footer .inner{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}.footer .links{display:flex;gap:18px}.footer .links a{color:inherit;text-decoration:none}.footer .links a:hover{color:var(--accent);cursor:pointer}.field{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:4px 4px 4px 14px;transition:border-color .15s,box-shadow .15s}.field:focus-within{border-color:var(--sepia-dark);box-shadow:0 0 0 4px #a8550e14}.field .prefix{color:var(--ink-mute);font-size:calc(14px * var(--type-scale));border-right:1px solid var(--line);padding-right:10px}.field input{flex:1;border:0;outline:0;background:transparent;padding:14px 8px;font-size:calc(16px * var(--type-scale));color:var(--ink);letter-spacing:.03em;min-width:4.5em}.field input::placeholder{color:var(--ink-mute)}.field .field-btn{border:0;background:var(--surface-alt);color:var(--ink-soft);border-radius:var(--r-sm);padding:10px 14px;font-size:calc(14px * var(--type-scale));cursor:pointer;white-space:nowrap}.field .field-btn:not([disabled]):hover{background:var(--accent-soft);color:var(--accent)}.field .field-btn[disabled]{color:var(--ink-mute);cursor:not-allowed}.center{text-align:center}.row{display:flex;gap:16px;align-items:center}.row.wrap{flex-wrap:wrap}.col{display:flex;flex-direction:column;gap:16px}.grow{flex:1}.gap-sm{gap:8px}.gap-md{gap:16px}.gap-lg{gap:28px}.muted{color:var(--ink-mute)}.soft{color:var(--ink-soft)}@media (max-width: 720px){.hide-sm{display:none!important}}@media (max-width: 1180px){.hero-compare-grid{grid-template-columns:minmax(380px,.82fr) minmax(520px,1.18fr)}.hero-title{font-size:clamp(34px,3.7vw,42px)}.hero-story{height:490px}.hero-story-before{height:340px}.hero-story-after{height:426px}}@media (max-width: 940px){.hero-compare-grid{grid-template-columns:1fr;gap:42px}.hero-content{max-width:680px;padding-left:0}.hero-title{font-size:clamp(36px,5.2vw,46px)}.hero-story{width:min(760px,100%);height:540px;margin:0 auto}.hero-story-before{height:380px}.hero-story-after{height:466px}.proof-stats-grid,.product-facts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.proof-stat{min-height:170px}.product-fact{min-height:190px}}@media (max-width: 560px){.stepper{grid-template-columns:1fr 18px 1fr 18px 1fr!important}.step-sub{display:none!important}.home-hero{padding-top:34px}.hero-title{gap:2px;font-size:clamp(28px,8vw,33px);line-height:1.26}.hero-copy{font-size:calc(16px * var(--type-scale))}.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hero-actions .btn{width:100%;padding-right:18px;padding-left:18px;font-size:calc(15px * var(--type-scale))}.hero-trust{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 12px}.hero-story{width:calc(100% + 8px);height:438px;margin-left:-4px}.hero-story:before{top:4px;right:0;bottom:24px;left:0;border-radius:20px}.hero-story-photo{border-width:5px;border-radius:18px}.hero-story-before{left:2%;top:48px;width:47%;height:300px}.hero-story-after{top:18px;right:2%;width:66%;height:354px}.hero-story-label{top:12px;left:12px;padding:5px 9px;font-size:calc(10.5px * var(--type-scale))}.hero-story-after .hero-story-label{right:12px}.hero-story-before>p{left:8px;bottom:8px;max-width:110px;padding:3px 6px;font-size:calc(9px * var(--type-scale));line-height:1.5}.hero-result-copy{padding:52px 10px 14px 50%;text-align:right}.hero-result-copy strong{font-size:calc(15px * var(--type-scale))}.hero-result-copy span{font-size:calc(10px * var(--type-scale))}.hero-story-reference{left:31%;top:202px;width:34%;padding:5px 5px 9px;border-width:4px;border-radius:13px}.hero-story-reference>span{top:-26px;padding:4px 8px;font-size:calc(9.5px * var(--type-scale))}.hero-story-reference strong{margin-top:5px;font-size:calc(10.5px * var(--type-scale))}.hero-story-operator{width:28px;height:28px;font-size:17px}.hero-story-operator.is-plus{left:28%;top:158px}.hero-story-operator.is-equals{left:61%;top:244px}.hero-story figcaption{right:2%;bottom:0;max-width:64%;text-align:right;line-height:1.45}.proof-stat{min-height:150px;padding:18px 12px}.proof-stat .num{font-size:32px}.product-facts-grid{grid-template-columns:1fr}.product-fact{min-height:0;padding:22px}.product-fact h3{margin-top:16px}}@media (max-width: 720px){.nav{gap:10px;padding:12px 18px}.nav-brand{flex:0 1 auto;min-width:0;gap:8px}.nav-brand .name{font-size:calc(18px * var(--type-scale));white-space:nowrap}.nav-desktop{display:none!important}.nav-mobile{display:flex;align-items:center;gap:10px}.nav-cta-m{padding:9px 18px;font-size:calc(14.5px * var(--type-scale))}.nav-burger{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;padding:0;border:1px solid var(--line-strong);border-radius:var(--r-md);background:var(--surface);cursor:pointer;flex-shrink:0}.nav-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s ease,opacity .18s ease}.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-burger.open span:nth-child(2){opacity:0}.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-scrim{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#1a262047;z-index:90}.nav-drawer{display:flex;flex-direction:column;gap:4px;position:absolute;top:100%;left:0;right:0;z-index:101;padding:12px 18px 18px;background:var(--bg-warm);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .22s ease,opacity .22s ease}.nav-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto}.nav-drawer-link{display:block;width:100%;padding:14px 8px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;font-family:var(--font-serif);font-size:calc(18px * var(--type-scale));text-align:left;text-decoration:none}.nav-drawer-link.active{color:var(--accent)}.nav-drawer-link:last-of-type{border-bottom:0}.nav-drawer-link:active{background:#3a6f5f0f}.nav-drawer-action{width:100%;margin-top:8px}}@media (max-width: 380px){.nav{padding:10px 12px}.nav-cta-m{padding:9px 14px}}.pricing-page{padding-top:36px;padding-bottom:88px}.pricing-head{text-align:center;max-width:620px;margin:0 auto 48px}.pricing-head h1{margin:14px 0 12px;font-size:clamp(30px,4vw,46px);letter-spacing:.02em}.pricing-head p{margin:0 auto;line-height:1.7}.pricing-free{margin-top:18px}.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:980px;margin:0 auto;align-items:stretch}.plan-card{position:relative;display:flex;flex-direction:column;min-height:360px;padding:clamp(22px,3vw,30px);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-sm)}.plan-card.popular{transform:translateY(-6px);border:1.5px solid var(--accent);background:linear-gradient(170deg,#fffaf2 0%,var(--accent-soft) 130%);box-shadow:0 12px 32px -14px #3a6f5f66}.plan-ribbon,.plan-off{border-radius:999px;background:var(--accent);color:#fff7ec;font-size:calc(12px * var(--type-scale));font-weight:500;white-space:nowrap}.plan-ribbon{position:absolute;top:-12px;left:50%;transform:translate(-50%);padding:4px 16px;letter-spacing:.06em}.plan-topline{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.plan-name{font-size:calc(22px * var(--type-scale))}.plan-off{padding:3px 10px}.plan-tagline{min-height:20px;margin-top:4px;font-size:calc(13px * var(--type-scale))}.plan-price{display:flex;align-items:flex-end;gap:8px;margin:20px 0 4px}.plan-price .currency{align-self:flex-start;margin-top:8px;color:var(--ink-soft);font-size:calc(16px * var(--type-scale))}.plan-price .amount{color:var(--ink);font-size:calc(48px * var(--type-scale));font-weight:500;line-height:.9}.plan-price .original{margin-bottom:4px;color:var(--ink-mute);font-size:calc(16px * var(--type-scale));text-decoration:line-through}.plan-unit{font-size:calc(13px * var(--type-scale))}.plan-unit span:last-child{margin-left:8px;color:var(--ok)}.plan-separator{margin:20px 0;border-top:1px dashed var(--line)}.plan-quota{display:flex;align-items:center;gap:8px;color:var(--ink-soft);font-size:calc(14px * var(--type-scale))}.plan-quota .num{color:var(--accent);font-size:1.25em}.plan-card .btn{width:100%;margin-top:auto}.pricing-perks{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;max-width:980px;margin:32px auto 0;padding:clamp(20px,3vw,30px)}.pricing-perk{display:flex;align-items:flex-start;gap:12px}.pricing-perk span{display:grid;place-items:center;flex-shrink:0;width:24px;height:24px;margin-top:1px;border-radius:50%;background:#3a6f5f1f;color:var(--accent);font-size:13px}.pricing-perk p{margin:0;color:var(--ink-soft);font-size:calc(14.5px * var(--type-scale));line-height:1.6}.pricing-note{margin-top:28px;font-size:calc(13px * var(--type-scale));line-height:1.8}.pricing-note strong,.link-inline{color:var(--accent)}.link-inline{cursor:pointer}.checkout-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:grid;place-items:center;padding:16px;overflow-y:auto;background:#1a26206b;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fadeUp .25s ease both}.checkout-panel{position:relative;width:100%;max-width:440px;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--r-xl);background:var(--bg-warm);box-shadow:var(--shadow-lg)}.checkout-close{position:absolute;top:14px;right:14px;z-index:2;width:32px;height:32px;border:0;border-radius:50%;background:#fff9;color:var(--ink-mute);cursor:pointer;font-size:18px}.checkout-step{padding:clamp(26px,4vw,36px)}.checkout-step h2{margin:0 0 20px;font-size:calc(24px * var(--type-scale));letter-spacing:.03em}.checkout-product{display:flex;justify-content:space-between;gap:12px;margin-bottom:18px;padding:18px}.checkout-product p,.pay-method p,.wechat-head p,.poll-status p,.pay-body p{margin:0}.checkout-product .num{color:var(--ink);font-size:calc(20px * var(--type-scale))}.checkout-label{margin-bottom:10px;color:var(--ink-mute);font-size:calc(12px * var(--type-scale));letter-spacing:.1em}.pay-method{display:flex;align-items:center;gap:12px;margin-bottom:10px;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--r-md);background:var(--surface)}.pay-method.active{border-color:#07c160;background:#07c1600f}.pay-method.disabled{opacity:.55;background:var(--bg-paper)}.pay-method>div{flex:1}.pay-check{display:grid;place-items:center;flex-shrink:0;width:20px;height:20px;border:2px solid var(--line-strong);border-radius:50%;color:#fff;font-size:11px}.pay-method.active .pay-check{border-color:#07c160;background:#07c160}.wechat-badge{display:grid;place-items:center;flex-shrink:0;border-radius:9px;background:#07c160;box-shadow:0 2px 6px -2px #07c16099}.wechat-badge>span{width:50%;height:38%;border-radius:50% 50% 50% 4px;background:#fff}.wechat-badge .muted-icon,.pay-method.disabled .wechat-badge{background:var(--surface-alt);box-shadow:none}.checkout-warning{margin:12px 0 0;color:var(--warn);font-size:calc(13px * var(--type-scale))}.checkout-total{display:flex;align-items:baseline;justify-content:space-between;margin-top:14px;padding:14px 0;border-top:1px dashed var(--line)}.checkout-total span{color:var(--ink-soft);font-size:calc(14px * var(--type-scale))}.checkout-total strong{color:var(--accent);font-size:calc(30px * var(--type-scale));font-weight:500}.checkout-submit{width:100%;margin-top:12px}.checkout-terms{margin-top:12px;font-size:calc(12px * var(--type-scale))}.wechat-head{display:flex;align-items:center;gap:12px;padding:20px 24px;color:#fff;background:linear-gradient(160deg,#09c265,#06a352)}.wechat-head button{width:30px;height:30px;border:0;border-radius:50%;background:#ffffff2e;color:#fff;cursor:pointer;font-size:16px}.wechat-head div{flex:1}.pay-body{padding:clamp(24px,4vw,32px);text-align:center}.pay-amount{margin:4px 0 20px;color:var(--ink);font-size:calc(40px * var(--type-scale));font-weight:500}.qr-wrap{position:relative;display:inline-block;padding:14px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--shadow-sm)}.qr-wrap canvas{display:block;width:184px;height:184px}.qr-wrap>span{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;pointer-events:none}.pay-instruction{margin-top:16px;color:var(--ink);font-size:calc(15px * var(--type-scale))}.pay-instruction strong{color:#06a352}.poll-status{display:flex;align-items:center;gap:12px;margin-top:18px;padding:12px 16px;border-radius:var(--r-md);background:var(--surface-alt);text-align:left}.poll-status p{margin-top:2px;font-size:calc(12px * var(--type-scale))}.poll-status strong{color:var(--warn)}.spinner{display:inline-block;flex-shrink:0;width:20px;height:20px;border:2px solid var(--line-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}.pay-actions{display:flex;gap:10px;margin-top:18px}.pay-actions .btn{flex:1}.success-step{text-align:center}.success-mark{display:grid;place-items:center;width:76px;height:76px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(160deg,#18c46a,#06a352);color:#fff;box-shadow:0 10px 26px -10px #07c160b3;font-size:38px;line-height:1}.success-step h2{margin-bottom:8px;font-size:calc(26px * var(--type-scale))}.success-step .soft{margin:0}.success-step .soft strong{color:var(--accent)}.success-order{display:flex;justify-content:space-between;margin:22px 0;padding:16px;text-align:left;font-size:calc(13.5px * var(--type-scale))}.success-step .btn{width:100%}.success-step .btn+.btn{margin-top:10px}.account-page{max-width:920px;padding-top:32px;padding-bottom:80px}.account-login{padding-top:80px;padding-bottom:120px;text-align:center}.account-login h1{margin:0 0 12px;font-size:clamp(26px,3.4vw,38px)}.account-login p{margin-bottom:24px}.account-summary{position:relative;overflow:hidden;padding:clamp(24px,3.6vw,38px);border:1px solid var(--line-strong);background:linear-gradient(150deg,#fffaf2 0%,var(--accent-soft) 160%)}.account-ring{position:absolute;top:50%;right:-70px;width:280px;height:280px;border:1.5px solid rgba(58,111,95,.14);border-radius:50%;transform:translateY(-50%);pointer-events:none}.account-ring.ring-b{right:0;width:170px;height:170px}.account-phone{font-size:calc(12.5px * var(--type-scale));letter-spacing:.08em}.account-summary-row{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:18px}.account-balance{display:flex;align-items:baseline;gap:8px;margin-top:8px}.account-balance .num{color:var(--accent);font-size:clamp(48px,8vw,68px);font-weight:500;line-height:.9}.account-balance+p{margin:8px 0 0;font-size:calc(13.5px * var(--type-scale))}.account-tabs{display:flex;gap:4px;margin-top:28px;margin-bottom:20px;border-bottom:1px solid var(--line)}.account-tabs button{margin-bottom:-1px;padding:12px 16px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--ink-mute);cursor:pointer;font-family:var(--font-serif);font-size:calc(17px * var(--type-scale))}.account-tabs button.active{border-bottom-color:var(--accent);color:var(--ink)}.account-tabs span{margin-left:2px;color:var(--ink-mute);font-family:var(--font-sans);font-size:12px}.account-list{display:flex;flex-direction:column;gap:12px}.order-row,.restore-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.order-row{padding:18px}.order-quota{display:grid;place-items:center;flex-shrink:0;width:44px;height:44px;border-radius:var(--r-md);background:var(--accent-soft);color:var(--accent);font-family:var(--font-serif);font-size:calc(15px * var(--type-scale))}.order-main,.restore-main{flex:1;min-width:160px}.order-main>div,.restore-main>div{color:var(--ink);font-size:calc(15.5px * var(--type-scale))}.order-main p,.restore-main p{margin:3px 0 0;font-size:calc(12.5px * var(--type-scale))}.order-id{letter-spacing:.03em}.order-price{text-align:right}.order-price .num{color:var(--ink);font-size:calc(18px * var(--type-scale))}.status-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;font-size:calc(12px * var(--type-scale));white-space:nowrap}.status-badge.ok{background:#3a6f5f1f;color:var(--accent)}.status-badge.pending{background:var(--accent-soft);color:var(--accent)}.status-badge span{width:5px;height:5px;border-radius:50%;background:currentColor}.restore-row{padding:14px}.restore-thumbs{display:flex;align-items:center;gap:10px;flex-shrink:0}.restore-thumbs>span{color:var(--ink-mute);font-size:20px}.restore-thumb{display:flex;flex-direction:column;align-items:center;gap:6px}.restore-thumb>div{overflow:hidden;width:72px;aspect-ratio:4 / 5;border-radius:var(--r-sm);background:#d9c5a8;box-shadow:inset 0 0 0 1px var(--line)}.restore-thumb>div.accent{box-shadow:0 0 0 2px var(--accent)}.restore-thumb>div.processing{display:grid;place-items:center;border:1px dashed var(--line-strong);background:var(--surface-alt);box-shadow:none}.restore-thumb img{width:100%;height:100%;object-fit:cover}.restore-thumb img.aged{filter:sepia(.35) contrast(.92) saturate(.8)}.restore-thumb span{color:var(--ink-mute);font-family:var(--font-serif);font-size:calc(11.5px * var(--type-scale));letter-spacing:.04em}.restore-actions{display:flex;align-items:center;gap:10px}.restore-actions .btn{padding:9px 16px}.account-footnote{margin-top:6px;font-size:calc(12.5px * var(--type-scale))}.account-empty{padding:56px 24px;text-align:center}.account-empty .soft{margin-bottom:18px;font-size:calc(16px * var(--type-scale))}@media (max-width: 760px){.cases-page{padding-bottom:64px}.cases-head{text-align:left}.cases-head p{margin-left:0}.cases-head .btn{width:100%}.cases-masonry{column-width:220px;column-gap:14px}.case-tile{margin-bottom:14px;border-radius:var(--r-sm)}.featured-case-card,.anchor-evidence-grid,.faq-grid,.case-study-hero-grid,.case-study-layout{grid-template-columns:1fr}.featured-case-image{min-height:320px}.anchor-evidence-grid{padding:28px 20px 34px}.anchor-evidence-visual{order:-1}.faq-intro,.case-study-aside{position:static}.faq-intro h2{font-size:42px}.faq-item summary{gap:16px;padding:20px 0}.faq-answer{padding-right:28px}.case-study-compare>[role=slider]{height:460px!important}.case-study-reference-card{left:10px;bottom:64px;width:126px}.case-study-item summary{grid-template-columns:82px minmax(0,1fr) 20px;gap:12px;padding:20px 0}.case-study-question{font-size:20px}.case-study-item>p,.case-study-item>ul{padding:0 20px 22px 94px}.pricing-grid{grid-template-columns:1fr}.plan-card.popular{transform:none}.pricing-head{margin-bottom:32px}.account-summary-row{align-items:flex-start}.account-summary-row .btn,.restore-actions,.order-price{width:100%}.order-price{text-align:left}.restore-actions{justify-content:space-between}}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:fadeUp .5s ease both}.delay-1{animation-delay:.08s}.delay-2{animation-delay:.16s}.delay-3{animation-delay:.24s}.delay-4{animation-delay:.32s}@keyframes pulse-soft{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.04);opacity:.8}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}