.logo[data-astro-cid-tvrurpns]{display:inline-flex;align-items:center;gap:10px}.logo-word[data-astro-cid-tvrurpns]{font-size:1.12rem;font-weight:700;letter-spacing:-.015em;color:var(--text)}svg[data-astro-cid-tvrurpns]{flex:none;border-radius:9.5px;box-shadow:0 8px 22px -12px var(--icon-glow)}.lang[data-astro-cid-a2mxz4y6]{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface-1);padding:3px;gap:2px}.lang-option[data-astro-cid-a2mxz4y6]{display:inline-flex;align-items:center;justify-content:center;padding:6px 13px;border-radius:var(--radius-pill);font-size:.82rem;font-weight:600;color:var(--text-dim);transition:color .2s ease,background-color .2s ease;white-space:nowrap}.lang-option[data-astro-cid-a2mxz4y6]:hover{color:var(--text)}.lang-option[data-astro-cid-a2mxz4y6].active{background:var(--gradient-brand);color:var(--brand-ink)}.lang-row[data-astro-cid-a2mxz4y6]{width:100%;padding:4px}.lang-row[data-astro-cid-a2mxz4y6] .lang-option[data-astro-cid-a2mxz4y6]{flex:1;padding:10px 12px;font-size:.95rem}.theme-toggle[data-astro-cid-x3pjskd3]{display:none;align-items:center;justify-content:center;width:38px;height:38px;flex:none;padding:0;border-radius:12px;border:1px solid var(--border);background:var(--surface-1);color:var(--text-soft);cursor:pointer;transition:color .2s ease,background-color .2s ease,border-color .2s ease}html.js-ready .theme-toggle[data-astro-cid-x3pjskd3]{display:inline-flex}.theme-toggle[data-astro-cid-x3pjskd3]:hover{color:var(--text);background:var(--surface-2);border-color:var(--border-strong)}html[data-theme=dark] .theme-toggle .icon-moon,html[data-theme=light] .theme-toggle .icon-sun{display:none}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:100;border-bottom:1px solid transparent;transition:background-color .3s ease,border-color .3s ease,backdrop-filter .3s ease}.site-header.is-stuck{background:var(--header-bg);backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);border-bottom-color:var(--border)}.header-inner[data-astro-cid-3ef6ksr2]{height:var(--header-h);display:flex;align-items:center;gap:20px}.brand[data-astro-cid-3ef6ksr2]{flex:none}.desktop-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:4px;margin-inline:auto}.nav-link[data-astro-cid-3ef6ksr2]{padding:8px 13px;border-radius:var(--radius-pill);font-size:.92rem;color:var(--text-soft);transition:color .2s ease,background-color .2s ease;white-space:nowrap}.nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--text);background:var(--surface-2)}.nav-link[data-astro-cid-3ef6ksr2].active{color:var(--brand);background:var(--brand-soft)}.header-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:12px;flex:none}.header-entry[data-astro-cid-3ef6ksr2]{padding-inline:16px}.menu-toggle[data-astro-cid-3ef6ksr2]{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface-1);cursor:pointer;color:var(--text)}.menu-toggle .icon-close,.menu-toggle[aria-expanded=true] .icon-menu{display:none}.menu-toggle[aria-expanded=true] .icon-close{display:block}.mobile-nav[data-astro-cid-3ef6ksr2]{border-top:1px solid var(--border);background:var(--mobile-nav-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}html.js-ready .mobile-nav[data-astro-cid-3ef6ksr2]:not(.is-open){display:none}@media(min-width:1201px){.mobile-nav[data-astro-cid-3ef6ksr2]{display:none}}.mobile-nav-inner[data-astro-cid-3ef6ksr2]{padding-block:18px 26px;display:grid;gap:14px}.mobile-links[data-astro-cid-3ef6ksr2]{display:grid}.mobile-link[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;padding:13px 2px;border-bottom:1px solid var(--border);font-size:1rem;color:var(--text-soft)}.mobile-link[data-astro-cid-3ef6ksr2] svg{color:var(--text-dim)}.mobile-link[data-astro-cid-3ef6ksr2].active{color:var(--brand)}@media(max-width:1200px){.desktop-nav[data-astro-cid-3ef6ksr2]{display:none}.menu-toggle[data-astro-cid-3ef6ksr2]{display:inline-flex}.header-inner[data-astro-cid-3ef6ksr2]{justify-content:space-between}}@media(max-width:720px){.header-cta[data-astro-cid-3ef6ksr2],.header-entry[data-astro-cid-3ef6ksr2]{display:none}}.site-footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--border);background:var(--sheen),var(--bg-soft);padding-block:clamp(46px,6vw,70px) 26px;margin-top:clamp(40px,6vw,72px)}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:clamp(28px,4vw,52px)}.footer-brand[data-astro-cid-sz7xmlte]{display:grid;gap:18px;align-content:start;justify-items:start;max-width:34ch}.footer-blurb[data-astro-cid-sz7xmlte]{color:var(--text-soft);font-size:.93rem;line-height:1.7}.footer-company[data-astro-cid-sz7xmlte]{color:var(--text-dim);font-size:.88rem;line-height:1.65;margin-top:-6px}.footer-col[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{display:grid;gap:11px}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--text-soft);font-size:.93rem;transition:color .2s ease}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--brand)}.footer-heading[data-astro-cid-sz7xmlte]{font-size:.76rem;font-weight:680;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:16px}html[lang^=zh] .footer-heading[data-astro-cid-sz7xmlte]{letter-spacing:.06em;text-transform:none}.footer-note[data-astro-cid-sz7xmlte]{color:var(--text-dim);font-size:.88rem;margin-bottom:14px;max-width:30ch}.footer-mail[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;gap:8px}.footer-mail[data-astro-cid-sz7xmlte] svg{color:var(--text-dim);flex:none}.footer-bottom[data-astro-cid-sz7xmlte]{margin-top:clamp(34px,4vw,52px);padding-top:22px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;color:var(--text-dim);font-size:.84rem}.footer-credit[data-astro-cid-sz7xmlte]{max-width:46ch}@media(max-width:940px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand[data-astro-cid-sz7xmlte]{grid-column:1 / -1;max-width:none}}@media(max-width:560px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:minmax(0,1fr)}}:root{color-scheme:dark;--bg: #05070e;--bg-soft: #070b14;--panel-solid: #0b1120;--panel: rgba(255, 255, 255, .024);--panel-hover: rgba(255, 255, 255, .05);--surface-1: rgba(255, 255, 255, .03);--surface-2: rgba(255, 255, 255, .05);--surface-3: rgba(255, 255, 255, .085);--track: rgba(255, 255, 255, .065);--sheen: linear-gradient(180deg, rgba(255, 255, 255, .012), transparent 40%);--card-gradient: linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, .012));--table-head-bg: rgba(255, 255, 255, .02);--header-bg: rgba(5, 7, 14, .82);--mobile-nav-bg: rgba(6, 9, 18, .98);--border: rgba(140, 175, 225, .13);--border-strong: rgba(140, 175, 225, .28);--grid-line: rgba(140, 175, 225, .055);--text: #e9eefb;--text-soft: #a8b7d3;--text-dim: #6e809f;--brand: #38bdf8;--brand-deep: #2563eb;--brand-ink: #041020;--brand-soft: rgba(56, 189, 248, .11);--brand-line: rgba(56, 189, 248, .34);--brand-wash: rgba(56, 189, 248, .06);--brand-wash-strong: rgba(56, 189, 248, .075);--amber: #f6a723;--amber-soft: rgba(246, 167, 35, .12);--amber-line: rgba(246, 167, 35, .34);--green: #34d399;--green-soft: rgba(52, 211, 153, .12);--green-line: rgba(52, 211, 153, .34);--violet: #8b8cf0;--gradient-brand: linear-gradient(135deg, #5cd2ff 0%, #2563eb 100%);--gradient-text: linear-gradient(100deg, #7dd8ff 0%, #4f9dff 55%, #9a8cf5 100%);--selection: rgba(56, 189, 248, .28);--glow-1: rgba(37, 99, 235, .42);--glow-2: rgba(56, 189, 248, .26);--icon-glow: rgba(56, 189, 248, .9);--btn-shadow: 0 14px 34px -16px rgba(56, 189, 248, .75);--btn-shadow-hover: 0 18px 40px -14px rgba(56, 189, 248, .85);--band-overlay: linear-gradient( 100deg, rgba(4, 8, 18, .94) 8%, rgba(5, 10, 22, .72) 52%, rgba(5, 10, 22, .36) 100% );--band-text: #e9eefb;--band-text-soft: #a8b7d3;--band-chip-bg: rgba(6, 10, 20, .72);--input-bg: rgba(255, 255, 255, .035);--input-bg-focus: rgba(56, 189, 248, .05);--option-bg: #0b1120;--node-fill: rgba(9, 14, 26, .92);--diagram-bg: radial-gradient(circle at 40% 20%, rgba(56, 189, 248, .06), transparent 62%), var(--panel);--topo-edge: rgba(140, 175, 225, .22);--topo-flow: rgba(56, 189, 248, .75);--chart-da-1: #38bdf8;--chart-da-2: #7dd8ff;--chart-bar: rgba(56, 189, 248, .55);--chart-rt: #f6a723;--chart-load: #3d5a86;--chart-load-line: rgba(125, 160, 205, .55);--chart-grid: rgba(140, 175, 225, .13);--chart-axis: rgba(140, 175, 225, .2);--icon-check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2338bdf8' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");--icon-minus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236e809f' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");--icon-plus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2338bdf8' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");--icon-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236e809f' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9.5 6 6 6-6'/%3E%3C/svg%3E");--radius-sm: 10px;--radius: 16px;--radius-lg: 22px;--radius-pill: 999px;--shadow-card: 0 20px 50px -32px rgba(0, 0, 0, .95);--shadow-pop: 0 32px 70px -34px rgba(3, 12, 30, .95);--maxw: 1180px;--gutter: clamp(20px, 5vw, 40px);--header-h: 68px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}:root[data-theme=light]{color-scheme:light;--bg: #f6f8fc;--bg-soft: #eef2f8;--panel-solid: #ffffff;--panel: rgba(13, 32, 62, .022);--panel-hover: rgba(13, 32, 62, .045);--surface-1: rgba(13, 32, 62, .032);--surface-2: rgba(13, 32, 62, .055);--surface-3: rgba(13, 32, 62, .09);--track: rgba(13, 32, 62, .1);--sheen: linear-gradient(180deg, rgba(13, 32, 62, .012), transparent 40%);--card-gradient: linear-gradient(180deg, rgba(13, 32, 62, .035), rgba(13, 32, 62, .01));--table-head-bg: rgba(13, 32, 62, .035);--header-bg: rgba(246, 248, 252, .86);--mobile-nav-bg: rgba(252, 253, 255, .98);--border: rgba(13, 40, 82, .14);--border-strong: rgba(13, 40, 82, .26);--grid-line: rgba(13, 40, 82, .06);--text: #0c1a2e;--text-soft: #46536b;--text-dim: #6b7891;--brand: #0369a1;--brand-deep: #1d4ed8;--brand-ink: #ffffff;--brand-soft: rgba(3, 105, 161, .09);--brand-line: rgba(3, 105, 161, .32);--brand-wash: rgba(3, 105, 161, .055);--brand-wash-strong: rgba(3, 105, 161, .07);--amber: #a35c07;--amber-soft: rgba(180, 83, 9, .1);--amber-line: rgba(180, 83, 9, .34);--green: #047857;--green-soft: rgba(4, 120, 87, .1);--green-line: rgba(4, 120, 87, .32);--violet: #6d28d9;--gradient-brand: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);--gradient-text: linear-gradient(100deg, #0369a1 0%, #1d4ed8 55%, #6d28d9 100%);--selection: rgba(29, 78, 216, .18);--glow-1: rgba(37, 99, 235, .16);--glow-2: rgba(56, 189, 248, .16);--icon-glow: rgba(37, 99, 235, .35);--btn-shadow: 0 14px 30px -16px rgba(29, 78, 216, .55);--btn-shadow-hover: 0 18px 38px -14px rgba(29, 78, 216, .65);--input-bg: #ffffff;--input-bg-focus: #ffffff;--option-bg: #ffffff;--node-fill: rgba(255, 255, 255, .95);--diagram-bg: radial-gradient(circle at 40% 20%, rgba(3, 105, 161, .05), transparent 62%), var(--panel);--topo-edge: rgba(13, 40, 82, .2);--topo-flow: rgba(3, 105, 161, .7);--chart-da-1: #0284c7;--chart-da-2: #1d4ed8;--chart-bar: rgba(2, 132, 199, .55);--chart-rt: #b45309;--chart-load: #7d9ac2;--chart-load-line: rgba(90, 122, 165, .6);--chart-grid: rgba(13, 40, 82, .13);--chart-axis: rgba(13, 40, 82, .22);--icon-check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230369a1' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");--icon-minus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7891' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");--icon-plus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230369a1' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");--icon-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7891' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9.5 6 6 6-6'/%3E%3C/svg%3E");--shadow-card: 0 20px 46px -30px rgba(13, 40, 82, .28);--shadow-pop: 0 30px 64px -32px rgba(13, 40, 82, .3)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px)}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}html[lang^=zh] body{line-height:1.8;letter-spacing:.01em}img,svg,video{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl{margin:0}ul,ol{padding:0;list-style:none}hr{border:0;border-top:1px solid var(--border);margin:0}:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}::selection{background:var(--selection)}h1,h2,h3,h4{font-weight:640;line-height:1.14;letter-spacing:-.02em;text-wrap:balance}html[lang^=zh] h1,html[lang^=zh] h2,html[lang^=zh] h3,html[lang^=zh] h4{letter-spacing:0;line-height:1.28;font-weight:650}h1{font-size:clamp(2.3rem,5.4vw,3.9rem)}h2{font-size:clamp(1.75rem,3.6vw,2.65rem)}h3{font-size:clamp(1.12rem,1.7vw,1.32rem);line-height:1.3}.lede{font-size:clamp(1.02rem,1.5vw,1.16rem);color:var(--text-soft);line-height:1.72;max-width:62ch}html[lang^=zh] .lede{line-height:1.9}.muted{color:var(--text-soft)}.dim{color:var(--text-dim)}.accent-text{background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;color:transparent}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}.section{padding-block:clamp(58px,8vw,112px);position:relative}.section-tight{padding-block:clamp(42px,5.5vw,76px)}.section-head{max-width:760px;margin-bottom:clamp(32px,4.5vw,56px)}.section-head.center{margin-inline:auto;text-align:center}.section-head.center .lede{margin-inline:auto}.section-head h2{margin-top:14px}.section-head .lede{margin-top:18px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}html[lang^=zh] .eyebrow{letter-spacing:.08em}.eyebrow:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.stack-sm>*+*{margin-top:10px}.grid{display:grid;gap:clamp(16px,2vw,22px)}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:940px){.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,4vw,56px);align-items:center}@media(max-width:860px){.split{grid-template-columns:minmax(0,1fr)}}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(20px,2.4vw,28px);transition:border-color .25s ease,background-color .25s ease,transform .25s ease}.card-hover:hover{border-color:var(--border-strong);background:var(--panel-hover);transform:translateY(-3px)}.panel{background:var(--panel-solid);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.glow-field{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}.glow-field:before,.glow-field:after{content:"";position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}.glow-field:before{width:min(680px,78vw);height:min(680px,78vw);top:-32%;left:-8%;background:radial-gradient(circle,var(--glow-1),transparent 68%)}.glow-field:after{width:min(560px,68vw);height:min(560px,68vw);top:-18%;right:-12%;background:radial-gradient(circle,var(--glow-2),transparent 70%)}.grid-lines{position:absolute;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,transparent 78%)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:var(--radius-pill);border:1px solid transparent;font-size:.94rem;font-weight:580;line-height:1.2;cursor:pointer;white-space:nowrap;transition:transform .2s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease,color .2s ease}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--gradient-brand);color:var(--brand-ink);font-weight:680;box-shadow:var(--btn-shadow)}.btn-primary:hover{box-shadow:var(--btn-shadow-hover)}.btn-ghost{background:var(--surface-2);border-color:var(--border-strong);color:var(--text)}.btn-ghost:hover{background:var(--surface-3)}.btn-quiet{padding:10px 4px;color:var(--brand);font-weight:600}.btn-quiet .arrow{transition:transform .2s ease}.btn-quiet:hover .arrow{transform:translate(3px)}.btn-lg{padding:15px 30px;font-size:1rem}.btn-block{width:100%}.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface-1);font-size:.86rem;color:var(--text-soft)}.badge{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:var(--radius-pill);font-size:.74rem;font-weight:650;letter-spacing:.05em;text-transform:uppercase}html[lang^=zh] .badge{letter-spacing:.03em;text-transform:none}.badge-brand{background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand)}.badge-amber{background:var(--amber-soft);border:1px solid var(--amber-line);color:var(--amber)}.badge-muted{background:var(--surface-2);border:1px solid var(--border);color:var(--text-soft)}.badge-green{background:var(--green-soft);border:1px solid var(--green-line);color:var(--green)}.tag{display:inline-block;padding:3px 10px;border-radius:6px;background:var(--surface-2);border:1px solid var(--border);font-size:.72rem;font-weight:600;letter-spacing:.04em;color:var(--text-dim);text-transform:uppercase}html[lang^=zh] .tag{text-transform:none;letter-spacing:0}.check-list{display:grid;gap:11px}.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:.95rem;color:var(--text-soft)}.check-list li:before{content:"";flex:none;width:17px;height:17px;margin-top:5px;border-radius:50%;background:var(--brand-soft);border:1px solid var(--brand-line);background-image:var(--icon-check);background-size:11px;background-position:center;background-repeat:no-repeat}.check-list.check-muted li{color:var(--text-dim)}.check-list.check-muted li:before{background-color:var(--surface-1);border-color:var(--border);background-image:var(--icon-minus);background-size:10px}.icon-list{display:grid;gap:14px}.icon-list li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:var(--text-soft)}.icon-list li>svg,.icon-list li>.dot{flex:none;margin-top:5px}.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:10px}.band{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);min-height:320px;display:flex;align-items:flex-end}.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.band:after{content:"";position:absolute;inset:0;background:var(--band-overlay)}.band-inner{position:relative;z-index:1;padding:clamp(26px,4vw,48px);width:100%;color:var(--band-text);--text-soft: var(--band-text-soft);--text-dim: rgba(168, 183, 211, .82);--brand: #38bdf8;--border: rgba(160, 190, 230, .24)}.faq{border-top:1px solid var(--border)}.faq details{border-bottom:1px solid var(--border)}.faq summary{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding:22px 0;cursor:pointer;font-weight:600;font-size:1.02rem;list-style:none;transition:color .2s ease}.faq summary::-webkit-details-marker{display:none}.faq summary:hover{color:var(--brand)}.faq summary:after{content:"";flex:none;width:20px;height:20px;margin-top:3px;background-image:var(--icon-plus);background-size:contain;background-repeat:no-repeat;transition:transform .25s ease}.faq details[open] summary:after{transform:rotate(45deg)}.faq .faq-body{padding:0 40px 24px 0;color:var(--text-soft);font-size:.96rem;max-width:78ch}.table-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);-webkit-overflow-scrolling:touch}table.compare{width:100%;min-width:780px;border-collapse:collapse;font-size:.93rem}table.compare th,table.compare td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--border)}table.compare thead th{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);font-weight:650;background:var(--table-head-bg);white-space:nowrap}html[lang^=zh] table.compare thead th{text-transform:none;letter-spacing:0}table.compare tbody tr:last-child td{border-bottom:0}table.compare td:first-child{color:var(--text);font-weight:520}table.compare td:not(:first-child){color:var(--text-soft);white-space:nowrap}table.compare thead th:not(:first-child),table.compare td:not(:first-child){border-left:1px solid var(--border)}table.compare tr.group-head td{background:var(--brand-wash);color:var(--brand);font-size:.76rem;font-weight:680;letter-spacing:.1em;text-transform:uppercase;padding-block:11px}html[lang^=zh] table.compare tr.group-head td{text-transform:none;letter-spacing:.04em}.value-yes{color:var(--green)!important;font-weight:600}.value-no{color:var(--text-dim)!important}.js-motion [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}.js-motion [data-reveal].is-revealed{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}[data-reveal],.js-motion [data-reveal],.js-motion [data-reveal].is-revealed{opacity:1!important;transform:none!important;transition:none!important}*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:absolute;top:8px;left:8px;z-index:200;padding:10px 18px;border-radius:var(--radius-pill);background:var(--brand);color:var(--brand-ink);font-weight:650;transform:translateY(-160%);transition:transform .2s ease}.skip-link:focus{transform:translateY(0)}