/* 乐兮智站品牌官网主题：深色导航 + 黑白灰大留白 + 乐兮蓝点缀；首屏、AI 连接器、收尾三处深色专屏。
   约定：默认样式就是动画的终态（不跑脚本、或要求减少动态效果时直接看到完整画面），html.js 下才把元素先藏起来，
   等滚动显现（.in）、打字效果或脚本循环把它们演出来。
   品牌色、浅底色、圆角与容器宽度由 theme-head 按主题参数注入（--brand、--brand-hover、--brand-soft、--bg-soft、--r-*、--container），这里给出同值缺省 */

/* 旋转渐变边框用的角度变量（不支持 @property 的浏览器显示静止的渐变边） */
@property --a { syntax: '<angle>'; inherits: false; initial-value: 0deg; }

:root {
  --brand: #2563EB;
  --brand-hover: #1D4ED8;
  --brand-soft: #EEF3FE;
  --violet: #A78BFA;
  --cyan: #22D3EE;
  --ink: #1D1D1F;
  --text: #3A3A3C;
  --muted: #6E6E73;
  --faint: #86868B;
  --line: #D2D2D7;
  --line-soft: #E8E8ED;
  --line-strong: #B9B9C0;
  --bg: #FFFFFF;
  --bg-soft: #F5F5F7;
  --dark: #000000;
  --dark-2: #0D0D10;
  --on-dark: #F5F5F7;
  --on-dark-muted: #A1A1A6;
  --link: #0066CC;
  --link-dark: #4D9BFF;
  --ok: #1F9D3A;
  --green: #28C840;
  --sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  /* 中文网络字体整批到齐前先用系统字体排版（见 main.js 的字体批量加载） */
  --sans-sys: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --container: 1200px;
  --gutter: 24px;
  --nav-h: 52px;
  --r-tile: 28px;
  --r-card: 20px;
  --r-btn: 999px;
  --r-frame: 16px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, .05);
  --shadow-float: 0 30px 60px -30px rgba(0, 0, 0, .28);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; overflow-x: hidden; }
.js body { font-family: var(--sans-sys); }
.js.fonts-ready body { font-family: var(--sans); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; text-wrap: balance; }
p, li, dd, blockquote { text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
[hidden] { display: none !important; }
svg.icon { width: 24px; height: 24px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
svg.i { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.container, .wrap { width: min(100% - var(--gutter) * 2, var(--container)); margin-inline: auto; }
.narrow { max-width: 820px; margin-inline: auto; }
.center { text-align: center; }
.empty { color: var(--muted); font-size: 15px; }
.m-only { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
.fx { position: absolute; left: 0; top: 0; pointer-events: none; }

/* ---------- 文字层级 ---------- */
.eyebrow { display: inline-block; font-size: 17px; font-weight: 600; color: var(--brand); margin-bottom: 14px; }
.on-dark .eyebrow { color: var(--link-dark); }
.h2 { font-size: clamp(34px, 4.6vw, 60px); font-weight: 700; line-height: 1.1; letter-spacing: -.015em; }
.lead { margin-top: 22px; font-size: 21px; line-height: 1.6; color: var(--muted); max-width: 760px; }
.center .lead, .lead.center { margin-left: auto; margin-right: auto; }
.on-dark .lead { color: var(--on-dark-muted); }
.arrow { display: inline-block; margin-left: 6px; transition: transform .2s; }
a:hover > .arrow, a:focus-visible > .arrow { transform: translateX(3px); }
.more, .text-link { display: inline-flex; align-items: center; gap: 2px; font-size: 17px; font-weight: 500; color: var(--link); }
.more::after { content: "›"; font-size: 1.25em; line-height: 1; margin-left: 4px; transform: translateY(-1px); transition: transform .2s; }
.more:hover, .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.more:hover::after { transform: translate(3px, -1px); }
.on-dark .more, .on-dark .text-link { color: var(--link-dark); }

/* 标签与状态胶囊 */
.tag { display: inline-flex; align-items: center; font-size: 12px; line-height: 1; padding: 6px 10px; border-radius: 999px; background: var(--bg-soft); color: var(--text); font-weight: 600; white-space: nowrap; letter-spacing: 0; }
.tag-online, .tag-brand, .tag-blue { background: var(--brand-soft); color: var(--brand-hover); }
.tag-cms { background: #F3EEFE; color: #6D28D9; }
.tag-gray { background: var(--bg-soft); color: var(--text); }
.tag-amber { background: #E7F7EC; color: #157A33; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }

/* ---------- 按钮：胶囊形；浅底主按钮乐兮蓝，深底主按钮白色 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 48px; padding: 0 26px; border-radius: var(--r-btn); font-size: 17px; font-weight: 600; letter-spacing: .01em; line-height: 1; border: 1px solid transparent; transition: background-color .2s, color .2s, border-color .2s, box-shadow .2s; white-space: nowrap; cursor: pointer; font-family: inherit; }
.btn-lg { height: 52px; padding: 0 30px; }
.btn-sm { height: 32px; padding: 0 16px; font-size: 13px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); }
.btn-light { background: #fff; color: #000; }
.btn-light:hover { background: #E8E8ED; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-outline-light, .on-dark .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .28); }
.btn-outline-light:hover, .on-dark .btn-ghost:hover { border-color: rgba(255, 255, 255, .6); }
.btn-block { display: flex; width: 100%; }
/* 主按钮外圈柔光（挂在外层包裹上，按钮被吸附位移时也不会盖住按钮本身） */
.magnet { display: inline-flex; transition: transform .3s var(--ease); }
.halo { position: relative; isolation: isolate; border-radius: 999px; }
.halo::before { content: ""; position: absolute; inset: -12px -18px; z-index: -1; border-radius: inherit; background: radial-gradient(closest-side, rgba(110, 120, 255, .55), rgba(37, 99, 235, .22) 60%, transparent); opacity: .7; animation: halo-pulse 3.2s ease-in-out infinite alternate; transition: opacity .3s; }
.halo:hover::before { opacity: 1; }
@keyframes halo-pulse { from { transform: scale(.94); opacity: .55; } to { transform: scale(1.06); opacity: .9; } }
.spark { position: absolute; z-index: 2; width: 4px; height: 4px; margin: -2px 0 0 -2px; border-radius: 50%; background: #fff; box-shadow: 0 0 8px 2px rgba(77, 155, 255, .9); pointer-events: none; animation: spark .85s ease-out both; }
@keyframes spark { from { opacity: 1; transform: translate(0, 0) scale(1); } to { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(.2); } }
@keyframes spin-a { to { --a: 360deg; } }

/* ---------- 页头：深色半透明，全站统一（毛玻璃画在伪元素上，不让页头成为固定定位子元素的包含块） ---------- */
.site-header { position: sticky; top: 0; z-index: 50; height: var(--nav-h); color: var(--on-dark); }
.site-header::before { content: ""; position: absolute; inset: 0; background: rgba(22, 22, 23, .86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255, 255, 255, .08); transition: background-color .3s, border-color .3s; }
.site-header::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: linear-gradient(90deg, var(--brand), var(--violet) 55%, var(--cyan)); transform-origin: 0 50%; transform: scaleX(var(--sp, 0)); }
/* 首页：页头压在深色首屏上；在顶部时透明（底下的首屏一直在动，毛玻璃要每帧重新模糊，代价很高），往下滚再出毛玻璃 */
.is-home .site-header { margin-bottom: calc(-1 * var(--nav-h)); }
.is-home .site-header.top::before { background: transparent; border-bottom-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.header-inner { position: relative; height: 100%; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; color: #fff; }
.brand-logo { height: 32px; width: auto; display: block; }
.brand-name { font-size: 16px; font-weight: 600; letter-spacing: .02em; }
.brand-mark { width: 28px; height: 28px; display: block; flex: none; }
.site-nav { display: flex; align-items: center; gap: 4px; font-size: 14px; color: rgba(255, 255, 255, .78); flex: 1; }
.nav-link { display: inline-flex; align-items: center; height: 36px; padding: 0 12px; border-radius: 8px; transition: color .2s; }
.nav-link:hover { color: #fff; }
.nav-caret { width: 13px; height: 13px; margin-left: 4px; opacity: .7; fill: none; stroke: currentColor; stroke-width: 2; }
.nav-chev { display: none; }
.nav-item { position: relative; }
.nav-dropdown { position: absolute; top: calc(100% + 10px); left: 0; min-width: 210px; background: rgba(28, 28, 30, .96); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid rgba(255, 255, 255, .1); border-radius: 14px; box-shadow: 0 24px 48px -16px rgba(0, 0, 0, .6); padding: 8px; display: none; }
.nav-dropdown a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 14px; color: rgba(255, 255, 255, .82); }
.nav-dropdown a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.nav-ext { margin-left: 6px; font-size: 12px; color: rgba(255, 255, 255, .5); }
.nav-item:hover .nav-dropdown, .nav-item:focus-within .nav-dropdown { display: block; }
.nav-item::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 12px; }
.nav-mobile-actions { display: none; }
.header-extra { display: flex; align-items: center; gap: 18px; margin-left: auto; font-size: 14px; }
.header-login { color: rgba(255, 255, 255, .78); transition: color .2s; }
.header-login:hover { color: #fff; }
.lang-switch { display: flex; gap: 10px; font-size: 13px; color: rgba(255, 255, 255, .6); }
.lang-switch a.current { color: #fff; font-weight: 600; }
.nav-toggle { display: none; width: 44px; height: 44px; margin-right: -10px; border: 0; background: transparent; color: #fff; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.nav-toggle .i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-open { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: block; }

/* ---------- 区块通用 ---------- */
.sec { position: relative; padding: 140px 0; }
.sec > .wrap { position: relative; }
.sec-soft { background: var(--bg-soft); }
.sec-dark { background: var(--dark); color: var(--on-dark); }
.sec-head { margin-bottom: 72px; }
.sec-foot { margin-top: 48px; }
.sec-foot.center { text-align: center; }
.sec-note { margin-top: 20px; text-align: center; color: var(--muted); font-size: 15px; }
/* 首屏以下的区块离开视口时跳过排版和绘制：首访、字体切换时只排眼前这一屏，其余区块滚到附近再排（可视化编辑预览里不跳过） */
.sec, .end, .site-footer { content-visibility: auto; contain-intrinsic-size: auto 900px; }
.editing .sec, .editing .end, .editing .site-footer { content-visibility: visible; }
/* 白底区块标题背后一团很淡的柔光，缓慢漂移 */
.soft-glow { position: absolute; left: 50%; top: 0; width: min(1200px, 100%); height: 560px; transform: translateX(-50%); pointer-events: none; overflow: hidden; }
.soft-glow i { position: absolute; border-radius: 50%; }
.soft-glow i:nth-child(1) { width: 560px; height: 420px; left: 10%; top: 30px; background: radial-gradient(closest-side, rgba(37, 99, 235, .13), transparent); animation: sg-a 19s ease-in-out infinite alternate; }
.soft-glow i:nth-child(2) { width: 520px; height: 400px; right: 8%; top: 0; background: radial-gradient(closest-side, rgba(139, 92, 246, .12), transparent); animation: sg-b 23s ease-in-out infinite alternate; }
.soft-glow i:nth-child(3) { width: 480px; height: 360px; left: 36%; top: 150px; background: radial-gradient(closest-side, rgba(34, 211, 238, .1), transparent); animation: sg-c 27s ease-in-out infinite alternate; }
@keyframes sg-a { to { transform: translate(140px, 40px) scale(1.12); } }
@keyframes sg-b { to { transform: translate(-160px, 60px) scale(.9); } }
@keyframes sg-c { to { transform: translate(-60px, -50px) scale(1.18); } }
/* 星空：脚本画三张几百像素的小星图平铺成三层；闪烁只改透明度、鼠标视差只改位移，都交给合成层 */
.stars { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.stars i { position: absolute; inset: -40px; background-repeat: repeat; transition: transform 1.2s var(--ease); }
.stars i:nth-child(1) { animation: twinkle 3.1s ease-in-out infinite alternate; }
.stars i:nth-child(2) { animation: twinkle 4.3s ease-in-out -1.7s infinite alternate; }
.stars i:nth-child(3) { animation: twinkle 5.9s ease-in-out -3.2s infinite alternate; }
@keyframes twinkle { from { opacity: .3; } to { opacity: 1; } }
@keyframes breathe { from { transform: scale(1); opacity: .75; } to { transform: scale(1.18); opacity: 1; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- 标题打字效果（脚本把字拆成 .ch：中文按字、英文按词、标点并进前一个字；字先占好位置只是透明，打出来时不挤动版面） ---------- */
.split .ch { display: inline-block; }
.nw { display: inline-block; white-space: nowrap; }
.js .split:not(.is-split) { opacity: 0; }
.type .ch { position: relative; }
.js .type .ch { opacity: 0; }
.js .type .ch.on { opacity: 1; animation: typed-light .6s ease-out; }
.js .on-dark .type .ch.on { animation-name: typed-dark; }
@keyframes typed-light { from { color: var(--brand); } }
@keyframes typed-dark { from { color: #9CC3FF; text-shadow: 0 0 20px rgba(77, 155, 255, .9); } }
.type .ch.cur::after { content: ""; position: absolute; top: .12em; bottom: .04em; right: -.1em; width: .06em; min-width: 2px; border-radius: 1px; background: var(--brand); animation: caret 1s steps(1) infinite; }
.on-dark .type .ch.cur::after { background: #6AA8FF; box-shadow: 0 0 12px rgba(77, 155, 255, .9); }
@keyframes caret { 50% { opacity: 0; } }

/* ---------- 首屏 ---------- */
.hero { position: relative; overflow: hidden; background: var(--dark); color: var(--on-dark); padding: calc(var(--nav-h) + 88px) 0 120px; }
.hero-glow { position: absolute; inset: 0; pointer-events: none; }
.hero-glow i { position: absolute; left: 50%; border-radius: 50%; }
.hero-glow i:nth-child(1) { top: -300px; width: 1000px; height: 700px; margin-left: -500px; background: radial-gradient(closest-side, rgba(37, 99, 235, .42), transparent); animation: breathe 9s ease-in-out infinite alternate; }
.hero-glow i:nth-child(2) { top: 60px; width: 640px; height: 460px; margin-left: -80px; background: radial-gradient(closest-side, rgba(167, 139, 250, .2), transparent); animation: drift 15s ease-in-out infinite alternate; }
@keyframes drift { from { transform: translate(-45%, -20px); } to { transform: translate(5%, 60px); } }
.hero .wrap { position: relative; }
.hero-mark { position: relative; width: 236px; height: 236px; margin: -8px auto 10px; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.hero-mark::before { content: ""; position: absolute; inset: 2%; border-radius: 50%; background: radial-gradient(closest-side, rgba(37, 99, 235, .5), rgba(37, 99, 235, .16) 55%, transparent); animation: glow-pulse 4.5s ease-in-out infinite; }
@keyframes glow-pulse { 50% { transform: scale(1.3); opacity: .65; } }
.hero-mark .float { position: relative; width: 100%; height: 100%; animation: float 7s ease-in-out infinite; }
.hero-mark img { position: relative; display: block; width: 100%; height: 100%; transition: opacity 1.6s ease, filter 1.6s ease; }
.js .hero-mark img:not(.on) { opacity: 0; filter: blur(12px) brightness(1.8); }
.hero-mark img.out { transition-duration: .35s; }
/* 玻璃表面定时扫过一道高光：遮罩取标志图自身的透明度，光只落在玻璃上 */
.sheen { position: absolute; inset: 0; pointer-events: none; -webkit-mask: var(--mark-img) center / 100% 100% no-repeat; mask: var(--mark-img) center / 100% 100% no-repeat; background: linear-gradient(105deg, transparent 38%, rgba(255, 255, 255, .7) 48%, rgba(200, 222, 255, .45) 53%, transparent 63%) 150% 0 / 300% 100% no-repeat; }
.hero-mark .sheen { opacity: 0; transition: opacity .6s; }
.hero-mark img.on + .sheen { opacity: 1; animation: glass-sheen 6.5s ease-in-out 1.4s infinite; }
@keyframes glass-sheen { 0% { background-position: 150% 0; } 40%, 100% { background-position: -50% 0; } }
.hero-mark::after { content: ""; position: absolute; inset: 8%; border-radius: 50%; background: radial-gradient(closest-side, rgba(210, 228, 255, .75), rgba(120, 160, 255, .25) 55%, transparent); opacity: 0; pointer-events: none; }
.hero-mark.flash::after { animation: mark-flash 1.3s ease-out; }
@keyframes mark-flash { 0% { opacity: .9; transform: scale(.55); } 100% { opacity: 0; transform: scale(1.35); } }
.pill { position: relative; display: inline-flex; align-items: center; gap: 10px; height: 34px; padding: 0 16px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .12); background: rgba(255, 255, 255, .04); font-size: 14px; color: rgba(255, 255, 255, .85); }
.pill::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: conic-gradient(from var(--a), transparent 0 64%, rgba(77, 155, 255, .95) 82%, rgba(167, 139, 250, .9) 90%, transparent 100%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; animation: spin-a 4s linear infinite; }
.pill i { position: relative; width: 6px; height: 6px; border-radius: 50%; background: #4D9BFF; box-shadow: 0 0 12px #4D9BFF; }
.pill i::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #4D9BFF; animation: ping 2s cubic-bezier(0, 0, .2, 1) infinite; }
@keyframes ping { 75%, 100% { transform: scale(3.2); opacity: 0; } }
.hero h1 { margin-top: 26px; font-size: clamp(44px, 6.8vw, 92px); font-weight: 700; line-height: 1.08; letter-spacing: -.025em; }
.hero h1 .l1, .hero h1 .l2 { display: block; }
.hero h1 .l2 { color: #8E8E93; }
.js .hero h1 .l2.glint .ch.on { animation: glint 1.5s ease-in-out both; animation-delay: calc(var(--d) * 90ms); }
@keyframes glint { 40% { color: #fff; text-shadow: 0 0 24px rgba(77, 155, 255, .8); } }
.hero .sub { margin: 28px auto 0; max-width: 760px; font-size: 21px; line-height: 1.65; color: var(--on-dark-muted); }
.hero .cta { margin-top: 44px; display: flex; justify-content: center; align-items: center; gap: 28px; flex-wrap: wrap; }
.hero .note { margin-top: 22px; font-size: 14px; color: var(--faint); }
.hero .note a { color: #C7C7CC; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(255, 255, 255, .3); white-space: nowrap; }
/* 首屏入场：标题打到第二行（.ready）副标题、按钮、产品窗口再出场；脚本没跑起来时按兜底时间出场 */
.js .hero .pill { animation: rise 1s var(--ease) .1s both; }
.js .hero .sub { animation: rise 1s var(--ease) 3.2s both; }
.js .hero .cta { animation: rise 1s var(--ease) 3.35s both; }
.js .hero .note { animation: rise 1s var(--ease) 3.5s both; }
.js .stage { animation: fade-in 1.6s ease 3.4s both; }
.js .hero.ready .sub { animation: rise-in 1s var(--ease) .1s both; }
.js .hero.ready .cta { animation: rise-in 1s var(--ease) .3s both; }
.js .hero.ready .note { animation: rise-in 1s var(--ease) .45s both; }
.js .hero.ready .stage { animation: fade-in2 1.6s ease .35s both; }
@keyframes rise { from { opacity: 0; transform: translateY(26px); } }
@keyframes rise-in { from { opacity: 0; transform: translateY(26px); } }
@keyframes fade-in { from { opacity: 0; } }
@keyframes fade-in2 { from { opacity: 0; } }

/* 首屏产品窗口：浅色界面浮在黑底上；滚动时从后仰转正（脚本写 transform），边框上一道光绕圈 */
.stage { position: relative; margin: 84px auto 0; max-width: 1140px; transform-origin: 50% 0; will-change: transform; }
.stage::before { content: ""; position: absolute; left: 0; right: 0; top: 2%; bottom: -20%; background: radial-gradient(closest-side, rgba(37, 99, 235, .42), rgba(37, 99, 235, .12) 60%, transparent); animation: breathe 7s ease-in-out infinite alternate; }
.stage .ring { position: absolute; inset: -1px; z-index: 3; border-radius: 17px; padding: 1px; overflow: hidden; pointer-events: none; -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; }
.stage .ring::before { content: ""; position: absolute; left: 50%; top: 50%; width: 140%; aspect-ratio: 1; background: conic-gradient(transparent 0 70%, rgba(77, 155, 255, .95) 84%, rgba(167, 139, 250, .95) 92%, transparent 100%); transform: translate(-50%, -50%); animation: ring-spin 7s linear infinite; }
@keyframes ring-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
.stage > .shot-img { position: relative; z-index: 1; width: 100%; border-radius: 16px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .14); }
.win { position: relative; z-index: 1; border-radius: 16px; background: #fff; color: var(--ink); overflow: hidden; box-shadow: 0 0 0 1px rgba(255, 255, 255, .14), 0 -20px 80px -30px rgba(77, 155, 255, .5); font-size: 13px; line-height: 1.5; text-align: left; }
.win-top { height: 46px; display: flex; align-items: center; gap: 14px; padding: 0 16px; border-bottom: 1px solid var(--line-soft); }
.dots { display: flex; gap: 8px; }
.dots i { width: 12px; height: 12px; border-radius: 50%; background: #FF5F57; }
.dots i:nth-child(2) { background: #FEBC2E; }
.dots i:nth-child(3) { background: #28C840; }
.win-title { display: flex; align-items: center; gap: 10px; margin-left: 10px; font-weight: 600; }
.win-title small { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; color: var(--muted); }
.win-title small::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #28C840; }
.win-acts { margin-left: auto; display: flex; gap: 8px; }
.win-acts span { height: 28px; padding: 0 14px; display: inline-flex; align-items: center; border-radius: 8px; border: 1px solid var(--line); font-weight: 500; }
.win-acts span.p { background: var(--brand); border-color: var(--brand); color: #fff; }
.win-body { display: grid; grid-template-columns: 196px 1fr 300px; }
.win-side { border-right: 1px solid var(--line-soft); padding: 14px 10px; display: flex; flex-direction: column; gap: 2px; }
.win-side .b { display: flex; align-items: center; gap: 8px; padding: 6px 10px 16px; font-weight: 600; font-size: 14px; }
.win-side .b svg { width: 20px; height: 20px; }
.win-side a { display: flex; align-items: center; gap: 10px; height: 34px; padding: 0 10px; border-radius: 8px; color: #3A3A3C; }
.win-side a svg { font-size: 16px; width: 16px; height: 16px; color: #6E6E73; }
.win-side a.on { background: #EEF3FE; color: var(--brand); font-weight: 600; }
.win-side a.on svg { color: var(--brand); }
.win-canvas { background: var(--bg-soft); padding: 20px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.canvas-bar { display: flex; align-items: center; justify-content: space-between; color: var(--muted); }
.canvas-bar .seg { display: inline-flex; padding: 3px; border-radius: 9px; background: #E8E8ED; gap: 2px; }
.canvas-bar .seg b { font-weight: 500; padding: 3px 12px; border-radius: 7px; }
.canvas-bar .seg b.on { background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .12); color: var(--ink); }
.site { position: relative; border-radius: 10px; overflow: hidden; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 8px 28px rgba(0, 0, 0, .08); }
.site img { width: 100%; }
/* 改前截图叠在改后截图上，口号区域从左往右擦掉，露出新口号（两张图只有口号不同） */
.site .old { position: absolute; left: 0; top: 0; clip-path: inset(0 0 0 4.6%); transition: opacity .6s; }
.site .old.gone { clip-path: inset(0 0 0 40.4%); transition: clip-path .9s cubic-bezier(.5, 0, .3, 1); }
.site .sel { position: absolute; left: 4.6%; top: 19.4%; width: 35.6%; height: 8.8%; border: 2px solid var(--brand); border-radius: 4px; box-shadow: 0 0 0 4px rgba(37, 99, 235, .18); transition: opacity .4s, transform .5s var(--ease), border-color .4s, box-shadow .4s; }
.js .site .sel:not(.hl) { opacity: 0; transform: scale(1.06); }
.site .sel.hl { animation: sel-ping 1.4s ease-out; }
@keyframes sel-ping { from { box-shadow: 0 0 0 0 rgba(37, 99, 235, .5); } to { box-shadow: 0 0 0 16px rgba(37, 99, 235, 0); } }
.site .sel em { position: absolute; right: -2px; top: -26px; height: 22px; padding: 0 8px; display: inline-flex; align-items: center; border-radius: 4px 4px 0 4px; background: var(--brand); color: #fff; font-style: normal; font-size: 11px; font-weight: 600; transition: background-color .4s; }
.site .sel em .b { display: none; }
.site .sel.done { border-color: var(--green); box-shadow: 0 0 0 4px rgba(40, 200, 64, .2); }
.site .sel.done em { background: var(--green); }
.site .sel.done em .a { display: none; }
.site .sel.done em .b { display: inline; }
.site .sel .scan { position: absolute; top: -2px; bottom: -2px; left: 0; width: 3px; border-radius: 2px; background: #6AA8FF; box-shadow: 0 0 16px 4px rgba(77, 155, 255, .8); opacity: 0; }
.site .sel.wipe .scan { animation: wipe-scan .9s cubic-bezier(.5, 0, .3, 1) forwards; }
@keyframes wipe-scan { 0% { left: 0; opacity: 1; } 85% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
.win-chat { border-left: 1px solid var(--line-soft); display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.chat-h { height: 46px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; border-bottom: 1px solid var(--line-soft); font-weight: 600; }
.chat-b { flex: 1; min-height: 0; padding: 16px; display: flex; flex-direction: column; gap: 12px; overflow: hidden; }
.bub { max-width: 88%; padding: 9px 13px; border-radius: 14px; line-height: 1.55; }
.bub.me { align-self: flex-end; background: var(--brand); color: #fff; border-bottom-right-radius: 4px; }
.bub.ai { align-self: flex-start; background: var(--bg-soft); border-bottom-left-radius: 4px; }
.bub.typing { display: flex; align-items: center; gap: 4px; padding: 13px 14px; color: var(--faint); }
.bub.typing i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .35; animation: dot 1.1s ease-in-out infinite; }
.bub.typing i:nth-child(2) { animation-delay: .15s; }
.bub.typing i:nth-child(3) { animation-delay: .3s; }
@keyframes dot { 30% { opacity: .9; transform: translateY(-3px); } }
.js [data-demo-chat] > *, .js [data-cs] > *, .js [data-conn-chat] > * { animation: pop .5s var(--ease) backwards; }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(.97); } }
[data-demo-chat].fade > *, [data-conn-chat].fade > *, [data-cs].fade > * { opacity: 0; transition: opacity .5s; }
.change { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: grid; gap: 6px; background: #fff; transition: border-color .4s, box-shadow .4s; }
.change b { font-size: 13px; color: var(--ink); }
.change small { color: var(--faint); font-size: 11.5px; }
.change del { color: var(--faint); }
.change ins { text-decoration: none; background: #EEF3FE; border-radius: 6px; padding: 5px 8px; font-weight: 500; color: var(--ink); }
.change .go { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }
.change .go span, .confirm .go span { transition: transform .15s, filter .15s; }
.change .go span { height: 30px; padding: 0 12px; display: inline-flex; align-items: center; border-radius: 8px; border: 1px solid var(--line); font-weight: 500; }
.change .go span.p { background: var(--ink); border-color: var(--ink); color: #fff; }
.go span.press { transform: scale(.92); filter: brightness(.8); }
.change .ok, .confirm .ok { display: none; font-weight: 600; font-size: 12.5px; }
.change .ok { color: #1F9D3A; margin-top: 4px; }
.change.done { border-color: rgba(40, 200, 64, .55); box-shadow: 0 0 0 3px rgba(40, 200, 64, .12); }
.change.done .go, .confirm.done .go { display: none; }
.change.done .ok, .confirm.done .ok { display: block; animation: pop .45s var(--ease) backwards; }
.chat-in { margin: 0 16px 16px; height: 42px; border: 1px solid var(--line); border-radius: 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 12px; color: var(--ink); transition: border-color .3s, box-shadow .3s; }
.chat-in span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.chat-in span.ph { color: var(--faint); }
.chat-in span:not(.ph)::after { content: ""; display: inline-block; width: 1.5px; height: 1em; margin-left: 2px; vertical-align: -2px; background: var(--brand); animation: caret 1s steps(1) infinite; }
.chat-in:has(span:not(.ph)) { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.chat-in svg { color: var(--faint); transition: color .2s, transform .25s var(--ease); }
.chat-in.hit svg { color: var(--brand); transform: translate(3px, -3px) scale(1.15); }
.cursor { position: absolute; left: 0; top: 0; z-index: 5; width: 22px; height: 22px; pointer-events: none; opacity: 0; transition: transform 1s cubic-bezier(.6, 0, .2, 1), opacity .3s; filter: drop-shadow(0 2px 4px rgba(0, 0, 0, .3)); }
.cursor.show { opacity: 1; }

/* ---------- 两种开始方式 ---------- */
.tiles-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.tile { position: relative; border-radius: var(--r-tile); background: var(--bg-soft); overflow: hidden; }
.tile-big { padding: 56px 56px 0; display: flex; flex-direction: column; min-height: 680px; }
.tile .tag { align-self: flex-start; height: 26px; padding: 0 12px; margin-bottom: 18px; background: #fff; color: var(--muted); font-size: 13px; }
.tile h3 { font-size: 34px; font-weight: 700; line-height: 1.2; letter-spacing: -.01em; }
.tile p { margin-top: 14px; font-size: 17px; color: var(--muted); }
.tile .more { margin-top: 18px; }
.flow { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; }
.flow b { display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px 0 6px; border-radius: 999px; background: #fff; transition: background-color .45s, color .45s, box-shadow .45s, transform .45s var(--ease); }
.flow b i { width: 20px; height: 20px; border-radius: 50%; background: var(--ink); color: #fff; font-style: normal; font-size: 12px; display: grid; place-items: center; transition: background-color .45s, color .45s; }
.flow b.on { background: var(--ink); color: #fff; box-shadow: 0 8px 18px -8px rgba(0, 0, 0, .5); transform: translateY(-2px); }
.flow b.on i { background: #fff; color: var(--ink); }
.flow .arr { position: relative; width: 22px; height: 2px; border-radius: 1px; background: var(--line); overflow: hidden; }
.flow .arr::after { content: ""; position: absolute; top: 0; left: -50%; width: 50%; height: 100%; background: var(--brand); animation: arr-flow 1.5s linear infinite; }
@keyframes arr-flow { to { left: 100%; } }
.fan { position: relative; margin-top: auto; height: 340px; }
.fan img { position: absolute; border-radius: 12px; box-shadow: 0 24px 50px -18px rgba(0, 0, 0, .32), 0 0 0 1px rgba(0, 0, 0, .06); transition: translate 1.1s var(--ease), rotate 1.1s var(--ease), opacity .8s; animation: bob 8s ease-in-out infinite; }
.fan img:nth-child(1) { width: 56%; left: 0; bottom: 118px; transition-delay: .4s; animation-delay: -2s; }
.fan img:nth-child(2) { width: 56%; right: 0; bottom: 78px; transition-delay: .55s; animation-delay: -5s; }
.fan img:nth-child(3) { width: 72%; left: 14%; bottom: -26px; box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .45), 0 0 0 1px rgba(0, 0, 0, .06); transition-delay: .25s; }
.js .tile:not(.in) .fan img:nth-child(1) { translate: 24% 90px; rotate: -9deg; opacity: 0; }
.js .tile:not(.in) .fan img:nth-child(2) { translate: -24% 110px; rotate: 9deg; opacity: 0; }
.js .tile:not(.in) .fan img:nth-child(3) { translate: 0 120px; opacity: 0; }
.tile.in:hover .fan img { transition-delay: 0s; }
.tile:hover .fan img:nth-child(1) { translate: -4% -8px; rotate: -3deg; }
.tile:hover .fan img:nth-child(2) { translate: 4% -8px; rotate: 3deg; }
.tile:hover .fan img:nth-child(3) { translate: 0 -12px; }
@keyframes bob { 50% { transform: translateY(-7px); } }
.pages { margin-top: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; height: 330px; align-items: end; }
.page-card { position: relative; background: #fff; border-radius: 14px 14px 0 0; padding: 12px 12px 0; box-shadow: 0 20px 40px -24px rgba(0, 0, 0, .3); display: flex; flex-direction: column; gap: 10px; height: 100%; transition: translate .9s var(--ease), opacity .9s; }
.page-card:nth-child(1) { transition-delay: .3s; }
.page-card:nth-child(2) { transition-delay: .42s; }
.page-card:nth-child(3) { transition-delay: .54s; }
.js .tile:not(.in) .page-card { translate: 0 60px; opacity: 0; }
.page-card .ph { display: flex; justify-content: space-between; align-items: center; font-size: 13px; font-weight: 600; }
.page-card .ph em { font-style: normal; color: #28A745; font-size: 12px; font-weight: 600; }
.page-card .ph em.gen { color: var(--brand); }
.page-card .shot { position: relative; flex: 1; border-radius: 8px 8px 0 0; overflow: hidden; border: 1px solid var(--line-soft); border-bottom: 0; }
.page-card .shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.page-card .bar { height: 3px; margin-top: -4px; border-radius: 2px; background: var(--line-soft); overflow: hidden; opacity: 0; transition: opacity .3s; }
.page-card .bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--brand), var(--violet)); }
.page-card.run .bar { opacity: 1; }
.page-card.run .bar i { width: 100%; transition: width 3.6s cubic-bezier(.4, 0, .2, 1); }
.page-card.done .bar { opacity: 0; }
.page-card.gen .shot { background: linear-gradient(100deg, #F5F5F7 30%, #FCFCFD 50%, #F5F5F7 70%) 0 0 / 200% 100%; animation: skel 1.4s linear infinite; }
@keyframes skel { to { background-position: -200% 0; } }
.js .page-card.gen:not(.done) .shot img { clip-path: inset(0 0 100% 0); }
.js .page-card.gen.run:not(.done) .shot img { clip-path: inset(0 0 0 0); transition: clip-path 3.6s cubic-bezier(.4, 0, .2, 1); }
.page-card.gen .shot::after { content: ""; position: absolute; left: 0; right: 0; top: -40px; height: 40px; background: linear-gradient(rgba(37, 99, 235, 0), rgba(37, 99, 235, .22)); border-bottom: 2px solid var(--brand); opacity: 0; }
.page-card.gen.run:not(.done) .shot::after { opacity: 1; animation: gen-scan 3.6s cubic-bezier(.4, 0, .2, 1) forwards; }
@keyframes gen-scan { from { top: -40px; } to { top: calc(100% - 40px); } }
.tiles-2.small { margin-top: 24px; }
.tile-sm { padding: 44px 48px; display: flex; gap: 22px; align-items: flex-start; transition: translate .35s var(--ease); }
.tile-sm .ic { width: 48px; height: 48px; border-radius: 14px; background: #fff; display: grid; place-items: center; color: var(--ink); flex: none; transition: transform .5s var(--ease), background-color .3s, color .3s; }
.tile-sm .ic svg { width: 24px; height: 24px; }
.tile-sm:hover .ic { transform: translateY(-4px) rotate(-8deg); background: var(--ink); color: #fff; }
.tile-sm h3 { font-size: 24px; }
.tile-sm p { margin-top: 8px; }

/* ---------- 卡片光晕：鼠标处一团柔光，边框跟着亮一段 ---------- */
.spot { position: relative; isolation: isolate; }
.spot::before, .spot::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .4s; }
.spot::before { z-index: -1; background: radial-gradient(460px circle at var(--mx, 50%) var(--my, 50%), rgba(37, 99, 235, .08), transparent 60%); }
.spot::after { z-index: 4; padding: 1px; background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(37, 99, 235, .55), transparent 65%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; }
.spot:hover::before, .spot:hover::after { opacity: 1; }

/* ---------- 建完能运营：便当格 ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.cell { background: #fff; border-radius: var(--r-tile); padding: 40px; overflow: hidden; display: flex; flex-direction: column; min-height: 420px; }
.cell .lab { font-size: 14px; font-weight: 600; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.cell .lab .bdg { height: 22px; padding: 0 9px; border-radius: 999px; background: var(--bg-soft); font-size: 12px; display: inline-flex; align-items: center; }
.cell h3 { margin-top: 10px; font-size: 28px; font-weight: 700; line-height: 1.25; letter-spacing: -.01em; }
.cell p { margin-top: 12px; font-size: 16px; color: var(--muted); }
.cell .vis { margin-top: auto; padding-top: 32px; }
.c-4 { grid-column: span 4; }
.c-2 { grid-column: span 2; }
.c-6 { grid-column: span 6; }
.cell.row { flex-direction: row; gap: 48px; align-items: center; min-height: 0; }
.cell.row .txt { flex: 1; }
.cell.row .vis { margin: 0; padding: 0; flex: 1; }
.cell.row .vis.mail { padding: 22px; }
.cs { position: relative; height: 300px; }
.cs-shot { position: absolute; left: 0; top: 0; width: 80%; height: 100%; object-fit: cover; object-position: top left; border-radius: 14px; box-shadow: 0 0 0 1px var(--line-soft); }
.cs-win { position: absolute; right: 0; bottom: -6px; width: 310px; border-radius: 16px; background: #fff; box-shadow: 0 0 0 1px var(--line-soft), 0 24px 48px -20px rgba(0, 0, 0, .25); overflow: hidden; font-size: 13.5px; }
.cs-win .h { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--line-soft); font-weight: 600; }
.cs-win .h i { position: relative; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-style: normal; font-size: 12px; }
.cs-win .h i::after { content: ""; position: absolute; right: -1px; bottom: -1px; width: 9px; height: 9px; border-radius: 50%; background: #28C840; border: 2px solid #fff; }
.cs-win .h small { display: block; font-weight: 400; color: #28A745; font-size: 11.5px; }
.cs-win .m { height: 212px; padding: 14px; display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; overflow: hidden; }
.cs-win .bub { font-size: 13px; flex: none; }
.cs-win .bub.ai { max-width: 92%; }
.notif { position: relative; height: 150px; margin-top: auto; }
.nt { position: absolute; left: 0; right: 0; top: 0; border-radius: 16px; background: var(--bg-soft); padding: 14px 16px; font-size: 14px; line-height: 1.55; box-shadow: 0 12px 26px -16px rgba(0, 0, 0, .3); transform-origin: 50% 0; transform: translateY(calc(var(--i, 0) * 16px)) scale(calc(1 - var(--i, 0) * .06)); opacity: calc(1 - var(--i, 0) * .4); z-index: calc(10 - var(--i, 0)); transition: transform .7s var(--ease), opacity .7s; }
.nt.enter { transform: translateY(-28px) scale(1.02); opacity: 0; }
.nt .t { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.nt .t b { color: var(--ink); font-size: 13px; }
.nt .m { color: var(--muted); }
.lang { display: grid; gap: 12px; }
.lang .sw { position: relative; display: inline-flex; padding: 4px; border-radius: 999px; background: var(--bg-soft); font-size: 13px; font-weight: 600; width: max-content; }
.lang .sw::before { content: ""; position: absolute; top: 4px; bottom: 4px; left: 4px; width: 76px; border-radius: 999px; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, .14); transform: translateX(calc(var(--x, 1) * 76px)); transition: transform .55s cubic-bezier(.3, 1.35, .5, 1); }
.lang .sw b { position: relative; width: 76px; padding: 5px 0; text-align: center; color: var(--muted); transition: color .3s; }
.lang .sw b.on { color: var(--ink); }
.lang .tx { min-height: 78px; border-radius: 14px; border: 1px solid var(--line-soft); padding: 14px 16px; font-size: 14px; }
.lang .tx small { display: block; color: var(--faint); font-size: 12px; margin-bottom: 4px; }
.lang .tx .v { display: block; transition: opacity .22s, filter .22s, transform .22s; }
.lang .tx .v.out { opacity: 0; filter: blur(5px); transform: translateY(5px); }
.stat .num { font-size: 44px; font-weight: 700; letter-spacing: -.02em; line-height: 1; font-variant-numeric: tabular-nums; color: var(--ink); }
.stat .num small { font-size: 14px; font-weight: 500; color: var(--muted); margin-left: 8px; letter-spacing: 0; }
.stat svg { margin-top: 18px; width: 100%; height: 90px; overflow: visible; }
.stat .ln { stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke-dashoffset 2.2s cubic-bezier(.6, 0, .2, 1) .3s; }
.stat .area { transition: opacity 1.2s ease 1.4s; }
.js .cell:not(.in) .stat .ln { stroke-dashoffset: 1; }
.js .cell:not(.in) .stat .area { opacity: 0; }
.stat .flt { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; font-size: 12px; color: var(--muted); }
.stat .flt span { position: relative; padding: 3px 9px; border-radius: 999px; background: var(--bg-soft); }
.stat .flt span::after { content: ""; position: absolute; left: 7px; right: 7px; top: 52%; height: 1px; background: currentColor; transform-origin: 0 50%; transition: transform .45s ease; }
.stat .flt span:nth-child(1)::after { transition-delay: 1.8s; }
.stat .flt span:nth-child(2)::after { transition-delay: 2.1s; }
.stat .flt span:nth-child(3)::after { transition-delay: 2.4s; }
.js .cell:not(.in) .stat .flt span::after { transform: scaleX(0); }
.serp { display: grid; gap: 10px; }
.serp .sq { display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line-soft); box-shadow: 0 2px 10px rgba(0, 0, 0, .05); font-size: 14px; }
.serp .sq svg { color: var(--faint); width: 16px; height: 16px; }
.serp .sq .caret { width: 1.5px; height: 16px; margin-left: -6px; background: var(--brand); animation: caret 1s steps(1) infinite; }
.serp .res { border-radius: 14px; border: 1px solid var(--line-soft); padding: 14px 16px; font-size: 13px; transition: opacity .5s, transform .5s var(--ease); }
.js .serp .res:not(.show) { opacity: 0; transform: translateY(8px); }
.serp .u { color: #3C8F3C; font-size: 12px; }
.serp .ti { color: #1A0DAB; font-size: 16px; margin: 2px 0 4px; }
.serp .d { color: var(--muted); }
.mail { border-radius: 18px; background: var(--bg-soft); padding: 22px; display: grid; gap: 10px; font-size: 14px; }
.mail .r { display: flex; gap: 10px; color: var(--muted); }
.mail .r b { color: var(--ink); font-weight: 500; }
.mail .body { background: #fff; border-radius: 12px; padding: 18px; display: grid; gap: 8px; }
.mail .body i { display: block; height: 9px; border-radius: 5px; background: #E8E8ED; }
.mail .body i.w7 { width: 70%; }
.mail .body i.w5 { width: 50%; }
.mail .body .hero-img { height: 90px; border-radius: 10px; background: linear-gradient(135deg, #1D1D1F, #3A3A3C); }
.mail .send { display: flex; justify-content: space-between; margin-top: 4px; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.mail .send b { color: var(--ink); }
.mail .st { color: var(--brand); font-weight: 600; }
.mail .st.ok { color: #1F9D3A; }
.mail .pb { height: 4px; border-radius: 2px; background: #E3E3E8; overflow: hidden; }
.mail .pb i { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--violet)); }

/* ---------- AI 连接器（深色专屏：星空 + 漂移光斑 + 对话回放） ---------- */
.conn-sec { overflow: hidden; }
.orbs { position: absolute; inset: 0; pointer-events: none; }
.orbs i { position: absolute; border-radius: 50%; }
.orbs i:nth-child(1) { width: 640px; height: 640px; left: -180px; top: -200px; background: radial-gradient(closest-side, rgba(37, 99, 235, .32), transparent); animation: orb-a 16s ease-in-out infinite alternate; }
.orbs i:nth-child(2) { width: 560px; height: 560px; right: -140px; bottom: -220px; background: radial-gradient(closest-side, rgba(167, 139, 250, .24), transparent); animation: orb-b 19s ease-in-out infinite alternate; }
@keyframes orb-a { to { transform: translate(160px, 110px) scale(1.15); } }
@keyframes orb-b { to { transform: translate(-180px, -80px) scale(.9); } }
.conn { display: grid; grid-template-columns: 1fr 1.05fr; gap: 80px; align-items: center; }
.conn .pts { margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; list-style: none; }
.conn .pts li { display: grid; gap: 6px; }
.conn .pts b { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 600; color: #fff; }
.conn .pts b svg { width: 20px; height: 20px; color: var(--link-dark); }
.conn .pts span { font-size: 15px; color: var(--on-dark-muted); line-height: 1.6; }
.conn .more { margin-top: 44px; }
.term { position: relative; }
.term::before { content: ""; position: absolute; inset: -4% -6% -14%; background: radial-gradient(closest-side, rgba(37, 99, 235, .36), transparent); animation: breathe 6s ease-in-out infinite alternate; }
.term > img { position: relative; border-radius: 18px; }
.tw { position: relative; border-radius: 18px; background: rgba(13, 13, 16, .92); border: 1px solid rgba(255, 255, 255, .1); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8); overflow: hidden; font-size: 14px; }
.tw .h { height: 44px; display: flex; align-items: center; gap: 14px; padding: 0 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); color: var(--on-dark-muted); }
.tw .h .dots i { background: #3A3A3C; }
.tw .b { min-height: 476px; padding: 22px; display: grid; gap: 16px; align-content: start; }
.tw .q { justify-self: end; max-width: 82%; padding: 11px 15px; border-radius: 16px 16px 4px 16px; background: #2A2A2E; color: #fff; }
.tw .a { color: #D1D1D6; line-height: 1.7; }
.tool { border: 1px solid rgba(255, 255, 255, .1); border-radius: 12px; overflow: hidden; }
.tool .th { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: rgba(255, 255, 255, .04); font-size: 13px; color: #D1D1D6; }
.tool .th svg { width: 16px; height: 16px; }
.tool .th b { color: #fff; font-weight: 600; }
.tool .th em { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-style: normal; font-size: 12px; color: #30D158; }
.tool .th em.sp { color: var(--on-dark-muted); }
.tool .th em.sp::before { content: ""; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid currentColor; border-right-color: transparent; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.tool .td { padding: 12px 14px; display: grid; grid-template-columns: 64px 1fr; gap: 6px 12px; font-size: 13px; color: #A1A1A6; }
.tool .td span:nth-child(even) { color: #F5F5F7; }
.confirm { border-radius: 14px; background: #1C1C1F; border: 1px solid rgba(255, 255, 255, .14); padding: 16px; display: grid; gap: 10px; transition: border-color .4s, box-shadow .4s; }
.confirm .t { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 600; }
.confirm .t svg { color: #FFD60A; width: 18px; height: 18px; }
.confirm p { color: #A1A1A6; font-size: 13.5px; }
.confirm .go { display: flex; justify-content: flex-end; gap: 10px; }
.confirm .go span { height: 32px; padding: 0 16px; display: inline-flex; align-items: center; border-radius: 9px; font-weight: 600; font-size: 13px; border: 1px solid rgba(255, 255, 255, .18); color: #F5F5F7; }
.confirm .go span.p { background: #fff; color: #000; border-color: #fff; }
.confirm .ok { color: #30D158; }
.confirm.done { border-color: rgba(48, 209, 88, .45); box-shadow: 0 0 0 3px rgba(48, 209, 88, .1); }

/* ---------- 模板：两行反向无限滚动，鼠标停上去就暂停 ---------- */
.tpl-sec { overflow: hidden; }
.head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 56px; }
.mq { display: grid; gap: 28px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.mq-row { overflow: hidden; }
.mq-track { display: flex; width: max-content; animation: mq 72s linear infinite; }
.mq-row.rev .mq-track { animation-duration: 84s; animation-direction: reverse; animation-delay: -23s; }
.mq:hover .mq-track { animation-play-state: paused; }
@keyframes mq { to { transform: translateX(-50%); } }
.mq .tpl { display: block; flex: none; width: 420px; margin-right: 28px; }
.tpl .im { display: block; border-radius: 18px; overflow: hidden; background: var(--bg-soft); box-shadow: 0 0 0 1px rgba(0, 0, 0, .06); transition: transform .45s var(--ease), box-shadow .45s; }
.tpl:hover .im { transform: translateY(-6px); box-shadow: 0 0 0 1px rgba(0, 0, 0, .06), 0 30px 60px -30px rgba(0, 0, 0, .4); }
.tpl .im img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; width: 100%; transition: transform 1.2s var(--ease); }
.tpl:hover .im img { transform: scale(1.04); }
.tpl h3, .tpl .tn { display: block; margin-top: 18px; font-size: 19px; font-weight: 600; line-height: 1.3; color: var(--ink); }
.tpl .ts { display: block; margin-top: 4px; font-size: 14.5px; color: var(--muted); }
.tpl-static { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

/* ---------- 三种用法 ---------- */
.ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.way { background: #fff; border-radius: var(--r-tile); padding: 44px 40px; display: flex; flex-direction: column; }
.way .ic { width: 52px; height: 52px; border-radius: 16px; background: var(--bg-soft); display: grid; place-items: center; transition: transform .5s var(--ease), background-color .3s, color .3s; }
.way .ic svg { width: 26px; height: 26px; }
.way:hover .ic { transform: translateY(-4px) scale(1.06); background: var(--ink); color: #fff; }
.way .k { margin-top: 28px; font-size: 14px; font-weight: 600; color: var(--muted); }
.way h3 { margin-top: 6px; font-size: 26px; font-weight: 700; letter-spacing: -.01em; }
.way p { margin-top: 12px; font-size: 16px; color: var(--muted); }
.way ul { list-style: none; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line-soft); display: grid; gap: 12px; font-size: 15px; }
.way li { display: flex; gap: 10px; }
.way li svg { margin-top: 4px; color: var(--brand); }
.way .more { margin-top: auto; padding-top: 28px; }

/* ---------- 价格：主推卡片的边框是一圈缓慢旋转的渐变 ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.plan { position: relative; border-radius: var(--r-tile); border: 1px solid var(--line); background: #fff; padding: 40px 36px; display: flex; flex-direction: column; }
.plan.hot { border: 2px solid transparent; background: linear-gradient(#fff, #fff) padding-box, conic-gradient(from var(--a), var(--ink), var(--brand), var(--violet), var(--cyan), var(--ink)) border-box; box-shadow: 0 30px 70px -34px rgba(37, 99, 235, .55); animation: spin-a 6s linear infinite; }
.plan:hover { translate: 0 -6px; box-shadow: 0 30px 60px -34px rgba(0, 0, 0, .28); }
.plan.hot:hover { box-shadow: 0 36px 80px -30px rgba(37, 99, 235, .65); }
.plan .badge { position: absolute; top: -14px; left: 36px; height: 28px; padding: 0 12px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; overflow: hidden; }
.plan .badge::after { content: ""; position: absolute; top: 0; bottom: 0; width: 40%; left: -60%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .45), transparent); animation: sheen 4s ease-in-out 1.5s infinite; }
@keyframes sheen { 0% { left: -60%; } 35%, 100% { left: 130%; } }
.plan h3 { font-size: 22px; font-weight: 600; }
.plan .price { margin-top: 18px; font-size: 52px; font-weight: 700; letter-spacing: -.03em; line-height: 1; color: var(--ink); }
.plan .price small { font-size: 17px; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-left: 6px; }
.plan .fit { margin-top: 12px; font-size: 15px; color: var(--muted); }
.plan ul { list-style: none; margin: 28px 0 32px; display: grid; gap: 12px; font-size: 15px; }
.plan li { display: flex; gap: 10px; }
.plan li svg { width: 16px; height: 16px; margin-top: 4px; color: var(--ink); flex: none; }
.plan .btn { margin-top: auto; width: 100%; }
.plans-foot { margin-top: 44px; text-align: center; }

/* ---------- 问答 ---------- */
.faq { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
.faq .more { margin-top: 28px; }
.qs, .faq-list { list-style: none; border-top: 1px solid var(--line); }
.qs a, .faq-list a { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line); font-size: 21px; font-weight: 600; color: var(--ink); }
.qs a svg, .faq-list a svg { width: 22px; height: 22px; color: var(--faint); flex: none; transition: transform .25s, color .25s; }
.qs a:hover, .faq-list a:hover { color: var(--brand); }
.qs a:hover svg, .faq-list a:hover svg { transform: translateX(4px); color: var(--brand); }
.faq-list li.empty { padding: 22px 0; }

/* ---------- 安全：图标随显现一笔一笔描出来 ---------- */
.trust { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.trust:has(> :nth-child(4)):not(:has(> :nth-child(5))) { grid-template-columns: repeat(4, 1fr); }
.trust:has(> :nth-child(3)):not(:has(> :nth-child(4))) { grid-template-columns: repeat(3, 1fr); }
.tr { padding: 0 24px; border-left: 1px solid var(--line); }
.tr:first-child { border-left: 0; padding-left: 0; }
.tr svg { width: 30px; height: 30px; color: var(--ink); stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke-dashoffset 1.8s cubic-bezier(.6, 0, .2, 1) .3s; }
.js .tr:not(.in) svg { stroke-dashoffset: 1; }
.tr h3 { margin-top: 22px; font-size: 19px; font-weight: 600; }
.tr p { margin-top: 8px; font-size: 14.5px; color: var(--muted); line-height: 1.7; }

/* ---------- 收尾：极光 + 星空 + 玻璃标志 ---------- */
.end { position: relative; overflow: hidden; text-align: center; padding: 120px 0 160px; }
.aurora { position: absolute; inset: 0; pointer-events: none; }
.aurora i { position: absolute; left: 50%; bottom: -260px; width: min(80vw, 980px); height: 560px; border-radius: 50%; }
.aurora i:nth-child(1) { background: radial-gradient(closest-side, rgba(37, 99, 235, .6), transparent); transform: translateX(-85%); animation: aur-1 12s ease-in-out infinite alternate; }
.aurora i:nth-child(2) { background: radial-gradient(closest-side, rgba(167, 139, 250, .42), transparent); transform: translateX(-15%); animation: aur-2 15s ease-in-out infinite alternate; }
.aurora i:nth-child(3) { background: radial-gradient(closest-side, rgba(34, 211, 238, .3), transparent); transform: translateX(-50%) translateY(60px); animation: aur-3 10s ease-in-out infinite alternate; }
@keyframes aur-1 { to { transform: translateX(-55%) translateY(-70px) scale(1.2); } }
@keyframes aur-2 { to { transform: translateX(-45%) translateY(-30px) scale(.85); } }
@keyframes aur-3 { to { transform: translateX(-30%) translateY(-60px) scale(1.15); } }
.end .wrap { position: relative; }
.end-mark { position: relative; width: 150px; height: 150px; margin: 0 auto 26px; filter: drop-shadow(0 0 30px rgba(77, 155, 255, .45)); animation: float 7s ease-in-out infinite; }
.end-mark img { display: block; width: 100%; height: 100%; }
.end-mark .sheen { animation: glass-sheen 6.5s ease-in-out 2s infinite; }
.end h2 { font-size: clamp(40px, 5.6vw, 76px); font-weight: 700; line-height: 1.08; letter-spacing: -.025em; }
.end p { margin-top: 24px; font-size: 21px; color: var(--on-dark-muted); }
.end .cta { margin-top: 44px; display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.custom-block { padding: 64px 0; }

/* ---------- 页脚（苹果式细字） ---------- */
.site-footer { background: var(--bg-soft); color: var(--muted); font-size: 12.5px; line-height: 1.8; padding: 56px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 5fr; gap: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.footer-brand .brand { color: var(--ink); }
.footer-brand .brand-logo { height: 30px; }
.footer-brand p { margin-top: 14px; max-width: 280px; }
.footer-links { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 32px; }
.footer-col h4 { margin: 0 0 10px; font-size: 12.5px; font-weight: 600; color: var(--ink); }
.footer-col ul { list-style: none; }
.footer-col a:hover { color: var(--ink); text-decoration: underline; }
.footer-bottom { padding-top: 20px; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-bottom a:hover { color: var(--ink); }

/* ---------- 滚动显现（悬停效果只用 translate / box-shadow，避开显现用的 transform） ---------- */
.rv { transition: opacity .9s var(--ease), transform .9s var(--ease), translate .35s var(--ease), box-shadow .35s, color .2s; }
.js .rv:not(.in) { opacity: 0; transform: translateY(32px); }

/* =====================================================================
   内页
   ===================================================================== */
/* 内页页头：白底大标题（打字出现），右上方一团淡淡的柔光；可左文右图 */
.page-hero { position: relative; overflow: hidden; padding: 112px 0 72px; }
.page-hero::before, .page-hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.page-hero::before { width: 620px; height: 460px; right: -120px; top: -180px; background: radial-gradient(closest-side, rgba(37, 99, 235, .12), transparent); animation: sg-a 19s ease-in-out infinite alternate; }
.page-hero::after { width: 520px; height: 400px; right: 220px; top: -120px; background: radial-gradient(closest-side, rgba(139, 92, 246, .1), transparent); animation: sg-b 23s ease-in-out infinite alternate; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.12; letter-spacing: -.025em; max-width: 960px; }
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero .lead { font-size: 21px; max-width: 760px; }
.page-hero .hero-actions { margin-top: 36px; }
.page-hero--center { text-align: center; }
.page-hero--center h1, .page-hero--center .lead { margin-left: auto; margin-right: auto; }
.page-hero--split .container { display: grid; grid-template-columns: 7fr 5fr; gap: 56px; align-items: center; }
.page-hero--split .ph-text, .page-hero--split .ph-vis { min-width: 0; }
.page-hero--split h1 { font-size: clamp(36px, 4.4vw, 56px); }
.page-hero--split .ph-vis { position: relative; }
.page-hero--split .ph-vis::before { content: ""; position: absolute; inset: -12% -10%; background: radial-gradient(closest-side, rgba(37, 99, 235, .16), transparent); z-index: -1; }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; align-items: center; }
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 26px; display: flex; flex-wrap: wrap; gap: 8px; }
.crumbs a:hover { color: var(--ink); }
.crumbs .sep { color: var(--line-strong); }
.page-body { padding: 40px 0 120px; }
.page-body--tight { padding-bottom: 64px; }
.updated { font-size: 14px; color: var(--muted); margin-top: 20px; }

/* 正文排版 */
.prose { font-size: 17px; line-height: 1.85; color: var(--text); max-width: 760px; }
.prose > * + * { margin-top: 1em; }
.prose h2, .prose h3, .prose h4 { color: var(--ink); }
.prose h2 { font-size: 30px; margin-top: 2em; line-height: 1.3; letter-spacing: -.015em; scroll-margin-top: calc(var(--nav-h) + 24px); }
.prose h3 { font-size: 21px; margin-top: 1.6em; }
.prose strong { color: var(--ink); }
.prose a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(0, 102, 204, .35); }
.prose a:hover { text-decoration-color: currentColor; }
.prose ul { padding-left: 1.3em; }
.prose li + li { margin-top: .45em; }
.prose li::marker { color: var(--faint); }
.prose ol { list-style: none; padding-left: 0; counter-reset: step; }
.prose ol > li { counter-increment: step; position: relative; padding-left: 46px; min-height: 30px; }
.prose ol > li::before { content: counter(step); position: absolute; left: 0; top: 1px; width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 14px; font-weight: 600; display: grid; place-items: center; line-height: 1; }
.prose ol > li + li { margin-top: .9em; }
.prose table { width: 100%; border-collapse: collapse; font-size: 16px; }
.prose th, .prose td { border-bottom: 1px solid var(--line-soft); padding: 14px 16px; text-align: left; vertical-align: top; }
.prose thead th { background: var(--bg-soft); color: var(--ink); font-size: 14px; font-weight: 600; white-space: nowrap; border-bottom: 0; }
.prose thead th:first-child { border-radius: 12px 0 0 12px; }
.prose thead th:last-child { border-radius: 0 12px 12px 0; }
.prose td:first-child { font-weight: 600; color: var(--ink); }
/* 引用块做成对话气泡（帮助、法律等阅读栏里改成提示框） */
.prose blockquote { margin: 0; background: var(--brand-soft); border-radius: 18px 18px 18px 4px; padding: 14px 18px; color: var(--ink); max-width: 560px; }
.prose > * + blockquote { margin-top: 1em; }
.prose blockquote + blockquote { margin-top: 10px; }
.prose code { font-family: var(--mono); font-size: .88em; background: var(--bg-soft); padding: 2px 7px; border-radius: 6px; }
.prose pre { background: #0D0D10; color: #E8E8ED; padding: 18px 20px; border-radius: 14px; overflow-x: auto; font-size: 14px; }
.prose pre code { background: none; padding: 0; }
.prose img { border-radius: 14px; box-shadow: 0 0 0 1px var(--line-soft); }
.prose hr { border: 0; border-top: 1px solid var(--line-soft); margin: 2.2em 0; }
.prose--wide { max-width: 880px; }
.prose--doc { max-width: 720px; }
.prose--doc blockquote { background: var(--bg-soft); border-radius: 14px; border-left: 3px solid var(--brand); max-width: none; }
/* 价格、产品页：正文表格与上方卡片同宽（容器宽度），标题与段落仍按 880 的阅读宽度 */
.prose--tables-full { max-width: none; }
.prose--tables-full > :where(:not(table)) { max-width: 880px; }
/* 产品版本页正文里「每项以粗体标题开头」的列表排成一排卡片（粗体是卡片标题，其后是说明，图标按顺序取） */
.prose--product > ul:has(> li:first-child > strong:first-child) { max-width: none; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.prose--product > ul:has(> li:first-child > strong:first-child) > li { margin: 0; border-radius: var(--r-card); padding: 28px; background: var(--bg-soft); font-size: 16px; line-height: 1.7; color: var(--text); }
.prose--product > ul:has(> li:first-child > strong:first-child) > li::before { content: ""; display: block; width: 48px; height: 48px; border-radius: 14px; margin-bottom: 18px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%231D1D1F' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 8 12 3 3 8v8l9 5 9-5z'/%3E%3Cpath d='M3 8l9 5 9-5M12 13v8'/%3E%3C/svg%3E") no-repeat center / 24px 24px; }
.prose--product > ul:has(> li:first-child > strong:first-child) > li:nth-child(2)::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%231D1D1F' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='m8 12 4-4 4 4M12 16V8'/%3E%3C/svg%3E"); }
.prose--product > ul:has(> li:first-child > strong:first-child) > li:nth-child(3)::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%231D1D1F' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m12 14 4-4'/%3E%3Cpath d='M3.34 19a10 10 0 1 1 17.32 0'/%3E%3C/svg%3E"); }
.prose--product > ul:has(> li:first-child > strong:first-child) > li > strong:first-child { display: block; margin-bottom: 8px; font-size: 18px; color: var(--ink); }
.prose--pricing table:has(th:nth-child(4)) th:nth-child(3), .prose--pricing table:has(th:nth-child(4)) td:nth-child(3) { background: var(--brand-soft); }
.prose--pricing table:has(th:nth-child(4)) thead th:nth-child(3) { background: #DCE7FD; }
.prose--pricing table td:not(:first-child), .prose--pricing table th:not(:first-child) { text-align: center; }
/* 没有行标题的表（表头首格不空，如 AI 充值包：各列是并列的档位）：所有列同样居中、同样字重 */
.prose--pricing table:not(:has(thead th:first-child:empty)) th, .prose--pricing table:not(:has(thead th:first-child:empty)) td { text-align: center; }
.prose--pricing table:not(:has(thead th:first-child:empty)) td { font-weight: 600; color: var(--ink); }
.prose--kv table:not(:has(th:nth-child(3))) { border-radius: var(--r-card); border-collapse: separate; border-spacing: 0; overflow: hidden; background: var(--bg-soft); }
.prose--kv table:not(:has(th:nth-child(3))) thead { display: none; }
.prose--kv table:not(:has(th:nth-child(3))) td { border-bottom: 1px solid #fff; }
.prose--kv table:not(:has(th:nth-child(3))) td:first-child { width: 28%; color: var(--muted); font-weight: 500; }
.prose--kv table:not(:has(th:nth-child(3))) tr:last-child td { border-bottom: 0; }
.prose--kv h2 + ul { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.prose--kv h2 + ul > li { margin: 0; border-radius: var(--r-card); padding: 26px; background: var(--bg-soft); }
.prose--kv h2 + p:last-child { border-radius: var(--r-card); padding: 26px; background: var(--bg-soft); }
.answer { font-size: 19px; line-height: 1.8; color: var(--ink); background: var(--bg-soft); border-radius: var(--r-card); padding: 26px 30px; max-width: 760px; }
.sha-code { word-break: break-all; }

/* 内页小节标题 */
.h2-mark { font-size: clamp(28px, 3.2vw, 40px); letter-spacing: -.015em; margin: 96px 0 32px; }
.page-body > .container > .h2-mark:first-child, .page-body--tight .h2-mark:first-child { margin-top: 0; }
.more-block .h2-mark { margin-top: 96px; }

/* 卡片：浅灰大圆角块，能点的悬停上浮 */
.card, .item-card, .fact-card, .form-panel { background: var(--bg-soft); border-radius: var(--r-card); padding: 32px; }
a.card, .item-card, .row-card, .aud-card--link, .lic-card, .nf-card { transition: translate .35s var(--ease), box-shadow .35s, background-color .2s; }
a.card:hover, .item-card:hover, .row-card:hover, .aud-card--link:hover, .lic-card:hover, a.nf-card:hover { translate: 0 -4px; box-shadow: 0 24px 48px -28px rgba(0, 0, 0, .3); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.item-card { display: flex; flex-direction: column; }
.item-card h2, .item-card h3 { font-size: 23px; letter-spacing: -.01em; }
.item-card p { color: var(--muted); font-size: 16px; margin-top: 10px; flex: 1; }
.item-card .text-link { margin-top: 20px; }
/* 功能中心卡：上示意、下名称与摘要 */
.feat-card { padding: 0; overflow: hidden; }
.feat-card .feat-vis { display: block; padding: 28px 28px 0; height: 250px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 78%, transparent); mask-image: linear-gradient(#000 78%, transparent); }
.feat-card .feat-vis .frame, .feat-card .feat-vis .vz { box-shadow: 0 16px 40px -24px rgba(0, 0, 0, .3); }
.feat-card h2, .feat-card p, .feat-card .feat-tags { margin-left: 28px; margin-right: 28px; }
.feat-card h2 { margin-top: 18px; }
.feat-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 16px; margin-bottom: 28px; }
.feat-tags small { font-size: 13px; color: var(--muted); }
.check-list { list-style: none; display: grid; gap: 14px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--text); }
.check-list li svg { width: 22px; height: 22px; flex: none; color: #fff; background: var(--ink); border-radius: 50%; padding: 5px; stroke-width: 3; margin-top: 2px; }
.check-list--2 { grid-template-columns: 1fr 1fr; gap: 18px 48px; }
.check-list--box { border-radius: var(--r-card); padding: 8px 28px; gap: 0; background: var(--bg-soft); }
.check-list--box li { padding: 16px 0; }
.check-list--box li + li { border-top: 1px solid #fff; }
/* 产品版本页：适合谁、核心能力 */
.aud-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.aud-card { display: flex; align-items: center; gap: 24px; border-radius: var(--r-card); padding: 32px 36px; background: var(--bg-soft); }
.aud-card .ic { width: 64px; height: 64px; border-radius: 18px; background: #fff; display: grid; place-items: center; color: var(--ink); flex: none; }
.aud-card .ic svg { width: 32px; height: 32px; stroke-width: 1.5; }
.aud-card p { font-size: 18px; color: var(--ink); line-height: 1.6; }
.aud-card--link p { flex: 1; }
.aud-card--link:hover p { color: var(--brand); }
.aud-card--link .chev { flex: none; width: 20px; height: 20px; color: var(--muted); }
.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.fact-card { display: flex; gap: 18px; align-items: flex-start; }
.fact-card .ic { width: 48px; height: 48px; border-radius: 14px; background: #fff; display: grid; place-items: center; color: var(--ink); flex: none; }
.fact-card .ic svg { width: 24px; height: 24px; stroke-width: 1.6; }
.fact-card h3 { font-size: 19px; }
.fact-card p { color: var(--muted); font-size: 15px; margin-top: 8px; line-height: 1.7; }
/* 列表：纵向（帮助、问答） */
.row-list { list-style: none; border-top: 1px solid var(--line); max-width: 880px; }
.row-list li > a { display: grid; grid-template-columns: 140px 1fr auto; gap: 20px; align-items: baseline; padding: 22px 4px; border-bottom: 1px solid var(--line); transition: background-color .2s; }
.row-list li > a:hover strong { color: var(--brand); }
.row-list .row-meta { font-size: 14px; color: var(--muted); font-family: var(--mono); }
.row-list strong { font-size: 18px; font-weight: 600; display: block; color: var(--ink); transition: color .2s; }
.row-list small { display: block; color: var(--muted); font-size: 15px; margin-top: 4px; line-height: 1.6; }
.row-list .arrow { color: var(--faint); }
.row-list--plain li > a { grid-template-columns: 1fr auto; }
.row-card { display: flex; align-items: center; gap: 18px; background: var(--bg-soft); border-radius: var(--r-card); padding: 22px 26px; }
.row-card .ic { width: 48px; height: 48px; border-radius: 14px; background: #fff; color: var(--ink); display: grid; place-items: center; flex: none; }
.row-card h3 { font-size: 19px; }
.row-card p { color: var(--muted); font-size: 15px; margin-top: 2px; line-height: 1.6; }
.row-card .chev { margin-left: auto; color: var(--muted); width: 20px; height: 20px; }
.section-foot { margin-top: 48px; color: var(--muted); font-size: 16px; }
.section-foot--center { text-align: center; }
.section-note { margin-top: 20px; text-align: center; color: var(--muted); font-size: 15px; }

/* 详情底部：上一篇 / 下一篇、相关推荐 */
.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; max-width: 760px; }
.prev-next a { display: flex; flex-direction: column; justify-content: center; min-height: 80px; background: var(--bg-soft); border-radius: 16px; padding: 16px 20px; transition: translate .35s var(--ease), box-shadow .35s; }
.prev-next a:hover { translate: 0 -3px; box-shadow: 0 20px 40px -26px rgba(0, 0, 0, .3); }
.prev-next a:last-child { text-align: right; }
.prev-next small { display: block; font-size: 13px; color: var(--muted); }
.prev-next strong { display: block; font-size: 16px; margin-top: 4px; color: var(--ink); }
.related { margin-top: 56px; max-width: 760px; }
.related h2 { font-size: 22px; margin-bottom: 12px; }
.related ul { list-style: none; }
.related li a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line-soft); color: var(--text); }
.related li a:hover { color: var(--brand); }
.related--cards { max-width: none; margin-top: 80px; }
.related--cards h2 { font-size: clamp(26px, 2.8vw, 34px); margin: 0 0 24px; letter-spacing: -.015em; }
.related--cards ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related--cards li a { display: flex; align-items: center; gap: 14px; border: 0; border-radius: var(--r-card); padding: 22px 24px; background: var(--bg-soft); color: var(--ink); font-weight: 600; transition: translate .35s var(--ease), box-shadow .35s; }
.related--cards li a:hover { translate: 0 -4px; box-shadow: 0 24px 48px -28px rgba(0, 0, 0, .3); color: var(--ink); }
.related--cards .ic { width: 40px; height: 40px; border-radius: 12px; background: #fff; color: var(--ink); display: grid; place-items: center; flex: none; }
.related--cards .ic svg { width: 20px; height: 20px; }
.related--cards .t { flex: 1; }
.related--cards .chev { width: 18px; height: 18px; color: var(--muted); }

/* 功能、方案详情的「本页目录」：脚本生成（二级标题够 4 个才加 has-toc），只在宽屏显示在正文右侧 */
.page-toc { display: none; }
.page-toc-h { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.page-toc a { display: block; padding: 5px 0; color: var(--muted); font-size: 14px; line-height: 1.5; transition: color .2s; }
.page-toc a:hover, .page-toc a.active { color: var(--brand); }
.toc-layout .prose h2 { scroll-margin-top: calc(var(--nav-h) + 24px); }
@media (min-width: 1200px) {
  .toc-layout.has-toc { display: grid; grid-template-columns: minmax(0, 880px) minmax(0, 1fr); gap: 56px; align-items: start; }
  .toc-layout.has-toc .page-toc { display: block; position: sticky; top: calc(var(--nav-h) + 40px); border-left: 1px solid var(--line-soft); padding-left: 20px; }
}

/* 价格页 */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-top: 14px; }
.plan-card { position: relative; border-radius: var(--r-tile); border: 1px solid var(--line); background: #fff; padding: 40px 36px; display: flex; flex-direction: column; transition: translate .35s var(--ease), box-shadow .35s; }
.plan-card:hover { translate: 0 -6px; box-shadow: 0 30px 60px -34px rgba(0, 0, 0, .28); }
.plan-card--hl { border: 2px solid transparent; background: linear-gradient(#fff, #fff) padding-box, conic-gradient(from var(--a), var(--ink), var(--brand), var(--violet), var(--cyan), var(--ink)) border-box; box-shadow: 0 30px 70px -34px rgba(37, 99, 235, .55); animation: spin-a 6s linear infinite; }
.plan-card h2 { font-size: 22px; font-weight: 600; }
.plan-price { font-size: 52px; font-weight: 700; letter-spacing: -.03em; margin-top: 16px; color: var(--ink); line-height: 1.05; }
.plan-price small { font-size: 17px; font-weight: 500; color: var(--muted); margin-left: 6px; letter-spacing: 0; }
.plan-fit { color: var(--muted); font-size: 15px; margin-top: 10px; }
.plan-feats { list-style: none; margin: 24px 0 30px; padding-top: 22px; border-top: 1px solid var(--line-soft); display: grid; gap: 10px; font-size: 15.5px; color: var(--text); flex: 1; }
.plan-feats li { position: relative; padding-left: 26px; }
.plan-feats li::before { content: ""; position: absolute; left: 3px; top: 8px; width: 11px; height: 6px; border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(-45deg); }
.plan-card .btn { width: 100%; }
.plan-badge { position: absolute; top: -14px; left: 36px; height: 28px; padding: 0 12px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; white-space: nowrap; }

/* 模板列表与详情 */
.tpl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px 28px; }
.tpl-card { display: block; }
.tpl-img { display: block; aspect-ratio: 16 / 10; background: var(--bg-soft); overflow: hidden; border-radius: 18px; box-shadow: 0 0 0 1px rgba(0, 0, 0, .06); transition: transform .45s var(--ease), box-shadow .45s; }
.tpl-img img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform 1.2s var(--ease); }
.tpl-card:hover .tpl-img { transform: translateY(-6px); box-shadow: 0 0 0 1px rgba(0, 0, 0, .06), 0 30px 60px -30px rgba(0, 0, 0, .4); }
.tpl-card:hover .tpl-img img { transform: scale(1.04); }
.tpl-body { display: block; padding: 18px 2px 0; }
.tpl-body strong { display: block; font-size: 20px; color: var(--ink); font-weight: 600; }
.tpl-body small { display: block; color: var(--muted); font-size: 15px; margin-top: 4px; }
.tpl-detail { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }
.tpl-gallery { display: grid; gap: 20px; }
.tpl-gallery img { border-radius: 18px; box-shadow: 0 0 0 1px rgba(0, 0, 0, .06), 0 30px 60px -34px rgba(0, 0, 0, .35); }
.spec-list { list-style: none; border-top: 1px solid var(--line-soft); margin: 24px 0; }
.spec-list li { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
.spec-list span { color: var(--muted); }
.info-strip { display: flex; align-items: center; gap: 12px; background: var(--brand-soft); color: var(--brand-hover); border-radius: 16px; padding: 16px 22px; font-size: 16px; font-weight: 500; margin-bottom: 40px; }
.tpl-grid + .form-hint { margin-top: 32px; }

/* 帮助中心：页头标题与正文栏对齐；侧栏吸顶，手机换下拉 */
.page-hero--doc .doc-head { margin-left: 300px; max-width: 720px; }
.doc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; font-size: 14px; color: var(--muted); margin-top: 16px; }
.doc-summary { margin-top: 20px; background: var(--bg-soft); border-radius: 16px; padding: 16px 20px; color: var(--text); font-size: 16px; }
.doc-layout { display: grid; grid-template-columns: 244px minmax(0, 720px); gap: 56px; align-items: start; }
.doc-side { position: sticky; top: calc(var(--nav-h) + 28px); font-size: 14.5px; border-right: 1px solid var(--line-soft); padding-right: 20px; max-height: calc(100vh - var(--nav-h) - 56px); overflow-y: auto; }
.doc-side h4 { font-size: 12px; color: var(--faint); font-weight: 600; margin: 22px 0 8px; letter-spacing: .06em; }
.doc-side h4:first-child { margin-top: 0; }
.doc-side a { display: block; padding: 7px 12px; border-radius: 10px; color: var(--text); line-height: 1.5; transition: background-color .2s, color .2s; }
.doc-side a:hover { background: var(--bg-soft); color: var(--ink); }
.doc-side a.current { background: var(--brand-soft); color: var(--brand-hover); font-weight: 600; }
.doc-jump { display: none; }
.doc-jump select { width: 100%; height: 48px; border: 1px solid var(--line); border-radius: 12px; padding: 0 14px; font: inherit; font-size: 16px; color: var(--ink); background: #fff; }
.doc-main { min-width: 0; }
.doc-group + .doc-group { margin-top: 56px; }
.doc-group h2 { font-size: 22px; margin-bottom: 14px; }

/* 版本记录：竖向时间线 */
.timeline { list-style: none; position: relative; }
.timeline::before { content: ""; position: absolute; left: 235px; top: 16px; bottom: 16px; width: 2px; background: linear-gradient(var(--line-soft), var(--line-soft)); }
.tl-item { position: relative; display: grid; grid-template-columns: 180px 64px 1fr auto; align-items: start; padding: 30px 26px; border-radius: var(--r-card); }
.tl-item + .tl-item { margin-top: 8px; }
.tl-item--latest { background: var(--bg-soft); }
.tl-ver strong { display: block; font-size: 38px; font-weight: 700; color: var(--ink); letter-spacing: -.03em; line-height: 1.1; }
.tl-ver span { display: block; margin-top: 8px; color: var(--muted); font-size: 15px; font-variant-numeric: tabular-nums; }
.tl-dot { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid var(--line-strong); margin: 14px auto 0; position: relative; z-index: 1; }
.tl-item--latest .tl-dot { border-color: var(--brand); box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 8px var(--brand), 0 0 0 6px rgba(37, 99, 235, .14); }
.tl-tags { display: flex; gap: 8px; }
.tl-sum { margin: 10px 0 8px; color: var(--ink); font-size: 17px; }

/* 法律页 */
.legal-layout { display: grid; grid-template-columns: 1fr 240px; gap: 56px; align-items: start; }
.legal-toc { position: sticky; top: calc(var(--nav-h) + 28px); font-size: 14px; border-left: 1px solid var(--line-soft); padding-left: 20px; }
.legal-toc a { display: block; padding: 5px 0; color: var(--muted); line-height: 1.6; }
.legal-toc a:hover { color: var(--ink); }

/* 联系页与表单 */
.contact-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }
.form-panel { padding: 40px; }
.form-panel h2 { font-size: 24px; margin-bottom: 22px; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.contact-form .fld { display: grid; gap: 8px; }
.contact-form .fld > span { font-size: 15px; font-weight: 600; color: var(--ink); }
.contact-form .fld em { color: var(--brand); font-style: normal; margin-left: 4px; }
.contact-form .fld--wide { grid-column: 1 / -1; }
.contact-form .fld--wide .btn { margin-top: 4px; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; font: inherit; font-size: 16px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(37, 99, 235, .14); }
.contact-form select { appearance: none; -webkit-appearance: none; padding-right: 40px; cursor: pointer; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236E6E73' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center / 16px 16px; }
.contact-form select:invalid, .contact-form select:has(option[value=""]:checked) { color: var(--faint); }
.contact-form select option { color: var(--ink); }
.contact-form .btn { justify-self: start; }
.contact-feedback { font-size: 15px; color: var(--brand); }
.form-hint { font-size: 14px; color: var(--muted); margin-top: 8px; line-height: 1.6; }
.contact-hp { position: absolute !important; left: -9999px !important; }
.contact-captcha { display: flex; gap: 10px; align-items: center; }
.contact-captcha-img { height: 48px; border-radius: 10px; cursor: pointer; }
.contact-side { display: grid; gap: 20px; align-content: start; }
.contact-info { margin: 0; background: var(--bg-soft); border-radius: var(--r-card); padding: 8px 28px; display: block; list-style: none; }
.contact-info > div { display: grid; grid-template-columns: 88px 1fr; gap: 12px; padding: 18px 0; }
.contact-info > div + div { border-top: 1px solid #fff; }
.contact-info dt { color: var(--muted); }
.contact-info dd { margin: 0; color: var(--ink); font-weight: 600; }
.contact-note { max-width: none; }
.contact-note p { font-size: 18px; color: var(--ink); font-weight: 600; }

/* 授权卡、下载卡（保留：版本记录等页可能引用） */
.lic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.lic-card { display: flex; align-items: center; gap: 16px; border-radius: var(--r-card); padding: 22px 26px; background: var(--bg-soft); color: var(--ink); font-weight: 500; }
.lic-card .ic, .nf-card > svg:first-child { width: 48px; height: 48px; border-radius: 14px; background: #fff; color: var(--ink); display: grid; place-items: center; flex: none; }
.ver-card { display: flex; justify-content: space-between; align-items: center; gap: 32px; border-radius: var(--r-card); padding: 36px 40px; background: var(--bg-soft); }
.ver-main small { color: var(--muted); font-size: 14px; }
.ver-num { display: block; font-size: 56px; font-weight: 700; letter-spacing: -.03em; color: var(--ink); line-height: 1.1; margin: 4px 0 12px; }
.ver-meta { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 15px; margin: 0; }
.ver-meta dt { color: var(--muted); }
.ver-meta dd { margin: 0; color: var(--ink); font-family: var(--mono); min-width: 0; }
.ver-meta .sha { display: flex; align-items: flex-start; gap: 10px; }
.ver-meta .sha code { word-break: break-all; font-size: 13px; line-height: 1.7; background: none; padding: 0; }
.ver-act { display: flex; flex-direction: column; align-items: center; gap: 14px; flex: none; }
.ver-soon { max-width: 260px; font-size: 15px; color: var(--muted); text-align: center; }
.ver-hint { margin-top: 12px; font-size: 14px; color: var(--muted); }
.copy-btn { flex: none; display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 3px 10px; font-size: 13px; color: var(--text); cursor: pointer; font-family: inherit; }

/* 自定义字段、站点表单、分页 */
.lexi-extra { margin: 36px 0; display: grid; gap: 12px; }
.lexi-extra-item { display: grid; grid-template-columns: 140px 1fr; gap: 16px; font-size: 16px; }
.lexi-extra-label { color: var(--muted); }
.lexi-extra-group { display: grid; gap: 8px; }
.lexi-extra-group-row { display: flex; gap: 12px; flex-wrap: wrap; }
.lexi-extra-group-key { color: var(--muted); }
.lexi-extra-images { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.lexi-extra-images img { border-radius: 12px; }
.lexi-siteform { display: grid; gap: 14px; }
.lexi-siteform input, .lexi-siteform textarea, .lexi-siteform select { width: 100%; font: inherit; font-size: 16px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; }
.pagination { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 48px; }
.pagination a, .pagination span { min-width: 42px; height: 42px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; background: var(--bg-soft); font-size: 15px; color: var(--ink); transition: background-color .2s; }
.pagination a:hover { background: var(--line-soft); }
.pagination .current, .pagination [aria-current] { background: var(--ink); color: #fff; }
.pagination .page-gap { background: transparent; }

/* 404 */
.not-found { text-align: center; padding: 160px 0; }
.not-found h1 { font-size: 96px; letter-spacing: -.04em; }
.not-found p { color: var(--muted); margin: 14px 0 32px; }
.nf-card { display: flex; align-items: center; gap: 16px; background: var(--bg-soft); border-radius: var(--r-card); padding: 20px 24px; }
.nf-card > svg:first-child { padding: 12px; }
.nf-card span { flex: 1; }
.nf-card strong { display: block; color: var(--ink); font-size: 18px; }
.nf-card small { display: block; color: var(--muted); font-size: 14px; }
.nf-card .chev { width: 18px; height: 18px; color: var(--muted); }

/* 轮播广告位 */
.lexi-banner { display: grid; gap: 16px; }
.lexi-banner-item { position: relative; display: block; border-radius: var(--r-card); overflow: hidden; }
.lexi-banner-title { position: absolute; left: 20px; bottom: 16px; color: #fff; font-weight: 600; }

/* 内页底部收尾带：与首页收尾同款的深色专屏（极光、星空、光尘、玻璃兮字），通栏铺满 */
.page-cta { position: relative; overflow: hidden; background: var(--dark); color: var(--on-dark); text-align: center; padding: 104px var(--gutter) 120px; margin: 120px calc(50% - 50vw) 0; }
.page-cta-in { position: relative; }
.page-cta .end-mark { width: 112px; height: 112px; margin-bottom: 22px; }
.page-cta h2 { font-size: clamp(32px, 4vw, 52px); letter-spacing: -.02em; line-height: 1.12; }
.page-cta p { color: var(--on-dark-muted); margin: 18px auto 0; font-size: 19px; max-width: 640px; }
.page-cta .hero-actions { justify-content: center; margin-top: 36px; gap: 16px; }
.page-body:has(> .container > .page-cta:last-child) { padding-bottom: 0; }

/* 可视化编辑：空槽位占位 */
.lexi-empty { min-height: 40px; outline: 1px dashed var(--line-strong); }

/* =====================================================================
   功能示意小插画（首页与内页共用：HTML/CSS 画，示意客户一律用虚构公司名与 example.com）
   ===================================================================== */
.frame { background: #fff; border-radius: var(--r-frame); box-shadow: 0 0 0 1px rgba(0, 0, 0, .06), 0 30px 60px -30px rgba(0, 0, 0, .3); overflow: hidden; }
.frame-bar { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px; border-bottom: 1px solid var(--line-soft); background: #fff; }
.frame-bar i { width: 11px; height: 11px; border-radius: 50%; background: #E8E8ED; display: block; }
.frame-bar i:nth-child(1) { background: #FF5F57; }
.frame-bar i:nth-child(2) { background: #FEBC2E; }
.frame-bar i:nth-child(3) { background: #28C840; }
.frame-bar span { margin-left: 10px; font-size: 13px; color: var(--muted); }
.bubble { padding: 9px 13px; border-radius: 14px; max-width: 92%; font-size: 14px; line-height: 1.6; }
.bubble.me { align-self: flex-end; background: var(--brand); color: #fff; border-bottom-right-radius: 4px; }
.bubble.ai { align-self: flex-start; background: var(--bg-soft); color: var(--text); border-bottom-left-radius: 4px; }
.vz { background: #fff; border-radius: 14px; font-size: 13px; color: var(--text); overflow: hidden; box-shadow: 0 0 0 1px rgba(0, 0, 0, .06); }
.vz-h { display: flex; align-items: center; gap: 8px; padding: 11px 14px; border-bottom: 1px solid var(--line-soft); font-weight: 600; color: var(--ink); }
.vz-h svg { width: 16px; height: 16px; }
.vz-h .st { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--muted); font-size: 12px; }
.vz-b { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.vz-logo { width: 22px; height: 22px; border-radius: 6px; background: var(--ink); color: #fff; font-size: 12px; font-weight: 700; display: grid; place-items: center; }
.vz-chat { min-height: 300px; display: flex; flex-direction: column; flex: 1; }
.vz-chat .vz-b { flex: 1; background: var(--bg-soft); }
.vz-chat .bubble { font-size: 13px; }
.vz-chat .bubble.ai { background: #fff; }
.vz-time { font-size: 11px; color: var(--muted); }
.vz-in { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--line-soft); }
.vz-in span { flex: 1; border: 1px solid var(--line-soft); border-radius: 10px; padding: 6px 10px; color: var(--faint); }
.vz-in b { width: 32px; border-radius: 10px; background: var(--brand); display: grid; place-items: center; color: #fff; }
.vz-in b svg { width: 15px; height: 15px; }
.kv { display: grid; grid-template-columns: 64px 1fr; gap: 6px 10px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; color: var(--ink); }
.vz-langs { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 12px; }
.vz-langs span { padding: 5px 12px; border-radius: 999px; background: #fff; box-shadow: 0 0 0 1px var(--line-soft); }
.vz-langs span.on { background: var(--ink); color: #fff; font-weight: 600; box-shadow: none; }
.vz-langs .ok { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--ok); font-weight: 600; box-shadow: none; background: transparent; }
.vz-site-h { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; font-size: 11px; color: var(--muted); border-bottom: 1px solid var(--line-soft); }
.vz-site-h b { color: var(--ink); font-size: 12px; letter-spacing: .06em; }
.vz-site-h span { display: flex; gap: 10px; }
.vz-site-h em { font-style: normal; }
.vz-banner { padding: 20px 16px; background: linear-gradient(135deg, #0D0D10, #1E3A8A 60%, var(--brand)); color: #fff; font-size: 14px; font-weight: 600; line-height: 1.4; }
.vz-banner small { display: inline-block; margin-top: 10px; font-size: 11px; font-weight: 600; background: #fff; color: #000; padding: 4px 10px; border-radius: 999px; }
.vz-chart svg { width: 100%; height: 110px; display: block; }
.vz-note { font-size: 12px; color: var(--muted); margin-top: 8px; }
.vz-form { display: grid; gap: 7px; }
.vz-form div { display: grid; grid-template-columns: 56px 1fr; gap: 8px; align-items: center; font-size: 12px; }
.vz-form span { color: var(--muted); }
.vz-form i { font-style: normal; border: 1px solid var(--line-soft); border-radius: 8px; padding: 4px 8px; color: var(--faint); }
.vz-form b { justify-self: end; background: var(--brand); color: #fff; border-radius: 999px; padding: 4px 14px; font-size: 12px; }
.vz-serp { display: grid; gap: 4px; font-size: 12px; }
.vz-serp .url { color: #3C8F3C; }
.vz-serp .t { color: #1A0DAB; font-size: 14px; font-weight: 600; }
.vz-share { display: flex; justify-content: space-around; margin-top: 12px; color: var(--muted); }
.vz-share span { width: 36px; height: 36px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 1px var(--line-soft); display: grid; place-items: center; }
.vz-share svg { width: 17px; height: 17px; }
.ac { color: var(--text); }
.ac-h { display: flex; align-items: center; justify-content: space-between; height: 50px; padding: 0 20px; border-bottom: 1px solid var(--line-soft); font-weight: 600; color: var(--ink); font-size: 16px; }
.ac-h span { display: flex; gap: 14px; color: var(--muted); }
.ac-h svg { width: 16px; height: 16px; }
.ac-b { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.ac-b .bubble { font-size: 15px; }
.ac-confirm { border: 1px solid var(--line-soft); border-radius: 14px; padding: 16px; display: grid; grid-template-columns: 40px 1fr; gap: 4px 14px; }
.ac-confirm .doc { width: 40px; height: 40px; border-radius: 12px; background: var(--bg-soft); display: grid; place-items: center; color: var(--muted); grid-row: span 2; }
.ac-confirm .doc svg { width: 20px; height: 20px; }
.ac-confirm b { color: var(--ink); font-size: 16px; }
.ac-confirm small { color: var(--muted); font-size: 14px; }
.ac-confirm .acts { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.ac-confirm .acts .btn { height: 42px; font-size: 15px; }
.ac-in { display: flex; align-items: center; gap: 10px; padding: 12px 20px 18px; }
.ac-in span { flex: 1; height: 42px; border: 1px solid var(--line); border-radius: 999px; display: flex; align-items: center; padding: 0 16px; color: var(--faint); font-size: 14px; }
.ac-in b { width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; }
.ac-in b svg { width: 18px; height: 18px; }
.ac-list { margin: 8px 0 0; padding-left: 1.3em; }
.ac-list li + li { margin-top: 2px; }
.vz-app { font-size: 13px; }
.vz-app-b { display: grid; grid-template-columns: 110px 1fr; min-height: 200px; }
.vz-app-side { list-style: none; border-right: 1px solid var(--line-soft); padding: 12px 8px; display: grid; gap: 4px; align-content: start; color: var(--text); }
.vz-app-side li { padding: 5px 8px; border-radius: 8px; }
.vz-app-side li.on { background: var(--ink); color: #fff; font-weight: 600; }
.vz-app-main { padding: 12px; display: grid; gap: 10px; align-content: start; }
.vz-app-main strong { color: var(--ink); }
.vz-thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.vz-thumbs img { border-radius: 8px; box-shadow: 0 0 0 1px var(--line-soft); aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.vz-thumbs img.on { outline: 2px solid var(--brand); outline-offset: 1px; }
.vz-app-main .btn, .vz-edit .btn, .vz-install-f .btn, .vz-wb-chat .btn { height: 32px; padding: 0 14px; font-size: 13px; }
.vz-edit-b { padding: 16px; display: grid; gap: 10px; background: var(--bg-soft); }
.vz-sel { justify-self: start; font-size: 20px; font-weight: 700; color: var(--ink); border: 1.5px solid var(--brand); padding: 6px 10px; position: relative; background: #fff; border-radius: 4px; }
.vz-bar { justify-self: start; display: flex; align-items: center; gap: 12px; background: #fff; border-radius: 10px; padding: 6px 10px; box-shadow: 0 12px 30px -16px rgba(0, 0, 0, .35), 0 0 0 1px var(--line-soft); color: var(--text); }
.vz-bar svg { width: 15px; height: 15px; }
.vz-bar .btn { margin-left: 6px; }
.vz-lines i { display: block; height: 8px; border-radius: 4px; background: var(--line-soft); margin-top: 8px; }
.vz-lines i.w8 { width: 80%; }
.vz-install .vz-steps { display: grid; grid-template-columns: repeat(4, 1fr); padding: 18px 16px 8px; font-size: 13px; color: var(--text); text-align: center; }
.vz-steps span { display: grid; justify-items: center; gap: 6px; }
.vz-steps b { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; border: 1.5px solid var(--line); color: var(--muted); font-size: 13px; }
.vz-steps .done b, .vz-steps .cur b { background: var(--ink); border-color: var(--ink); color: #fff; }
.vz-steps .done b svg { width: 15px; height: 15px; stroke-width: 3; }
.vz-steps .cur { color: var(--ink); font-weight: 600; }
.vz-checks { list-style: none; margin: 10px 16px; border-radius: 12px; background: var(--bg-soft); }
.vz-checks li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; font-size: 14px; color: var(--ink); }
.vz-checks li + li { border-top: 1px solid #fff; }
.vz-checks .ok { width: 24px; height: 24px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; }
.vz-checks .ok svg { width: 14px; height: 14px; stroke-width: 3; }
.vz-checks em { margin-left: auto; font-style: normal; color: var(--ok); font-size: 13px; }
.vz-install-f { display: flex; justify-content: flex-end; padding: 6px 16px 16px; }
.vz-wb-b { position: relative; }
.vz-wb-b img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.vz-wb-chat { position: absolute; right: 14px; bottom: 14px; width: 56%; background: #fff; border-radius: 14px; box-shadow: 0 24px 48px -20px rgba(0, 0, 0, .35), 0 0 0 1px var(--line-soft); padding: 12px; display: grid; gap: 8px; font-size: 13px; }
.vz-wb-chat b { color: var(--ink); }
.vz-wb-chat .bubble { max-width: none; font-size: 12.5px; }
.vz-wb-chat .btn { justify-self: end; }

/* =====================================================================
   响应式
   ===================================================================== */
@media (max-width: 1199px) {
  .header-inner { gap: 20px; }
  .page-hero--split .container { grid-template-columns: 1fr; gap: 48px; }
  .page-hero--doc .doc-head { margin-left: 0; }
  .timeline::before { left: 195px; }
  .tl-item { grid-template-columns: 140px 64px 1fr; }
}
@media (max-width: 1068px) {
  .win-body { grid-template-columns: 1fr 280px; }
  .win-side { display: none; }
  .conn { grid-template-columns: 1fr; gap: 64px; }
  .faq { grid-template-columns: 1fr; gap: 40px; }
  .trust, .trust:has(> :nth-child(4)):not(:has(> :nth-child(5))) { grid-template-columns: repeat(3, 1fr); row-gap: 48px; }
  .tr:nth-child(4) { border-left: 0; padding-left: 0; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
/* 手机菜单：全屏展开、有下级的项点一下展开 */
@media (max-width: 960px) {
  .site-header::before { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(22, 22, 23, .97); }
  .is-home .site-header.top::before { background: transparent; }
  body.nav-open .site-header::before { background: #161617; }
  .site-nav { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0; background: #161617; padding: 8px 24px 32px; flex-direction: column; align-items: stretch; gap: 0; overflow-y: auto; z-index: 49; color: #fff; }
  .site-nav.open { display: flex; }
  .nav-item, .site-nav > .nav-link { border-bottom: 1px solid rgba(255, 255, 255, .1); }
  .nav-link { display: flex; width: 100%; height: 60px; padding: 0 4px; font-size: 18px; color: #fff; justify-content: space-between; border-radius: 0; }
  .nav-caret { display: none; }
  .nav-chev { display: block; width: 20px; height: 20px; color: rgba(255, 255, 255, .5); fill: none; stroke: currentColor; stroke-width: 2; transition: transform .15s; }
  .nav-item.open .nav-chev { transform: rotate(90deg); }
  .nav-dropdown { position: static; display: none; box-shadow: none; border: 0; padding: 0 0 12px 12px; min-width: 0; border-radius: 0; background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .nav-item:hover .nav-dropdown, .nav-item:focus-within .nav-dropdown { display: none; }
  .nav-item.open .nav-dropdown { display: block; }
  .nav-dropdown a { font-size: 16px; padding: 11px 8px; }
  .nav-item::after { display: none; }
  .nav-mobile-actions { display: grid; gap: 14px; margin-top: 28px; }
  .nav-mobile-actions .nav-login { font-size: 18px; color: #fff; padding: 8px 4px; }
  .nav-mobile-actions .btn { height: 52px; font-size: 17px; background: #fff; color: #000; }
  .header-login, .header-trial, .lang-switch { display: none; }
  .nav-toggle { display: inline-flex; }
  body.nav-open { overflow: hidden; }
}
@media (max-width: 834px) {
  .sec { padding: 100px 0; }
  .sec-head { margin-bottom: 48px; }
  .tiles-2, .ways, .plans, .tpl-static { grid-template-columns: 1fr; }
  .tile-big { min-height: 0; padding: 40px 32px 0; }
  .fan, .pages { height: 280px; margin-top: 40px; }
  .bento { grid-template-columns: 1fr; }
  .c-4, .c-2, .c-6 { grid-column: auto; }
  .cell.row { flex-direction: column; align-items: stretch; gap: 28px; }
  .cs { height: 300px; }
  .cs-shot { width: 100%; opacity: .5; }
  .cs-win { width: min(310px, 92%); }
  .head-row { flex-direction: column; align-items: flex-start; }
  .mq .tpl { width: 320px; margin-right: 20px; }
  .mq { gap: 20px; }
  .card-grid, .fact-grid, .plan-grid, .tpl-grid, .related--cards ul, .lic-grid { grid-template-columns: repeat(2, 1fr); }
  .tpl-detail, .contact-layout, .legal-layout { grid-template-columns: 1fr; }
}
@media (max-width: 734px) {
  :root { --gutter: 16px; }
  body { font-size: 16px; }
  .m-only { display: inline; }
  .hero { padding-top: calc(var(--nav-h) + 48px); }
  .hero-mark { width: 168px; height: 168px; }
  .hero .sub, .lead { font-size: 18px; }
  .hero .cta { flex-direction: column; gap: 18px; }
  .stage { margin-top: 56px; }
  .win-body { grid-template-columns: 1fr; height: auto; }
  .win-chat { border-left: 0; border-top: 1px solid var(--line-soft); }
  .chat-b { height: 392px; flex: none; }
  .win-acts span:not(.p) { display: none; }
  .win-title small { display: none; }
  .tile h3, .cell h3, .way h3 { font-size: 26px; }
  .tile-sm { padding: 32px 28px; flex-direction: column; }
  .cell { padding: 32px 28px; min-height: 0; }
  .page-card { padding: 10px 8px 0; }
  .page-card .ph { flex-direction: column; align-items: flex-start; gap: 2px; font-size: 12px; }
  .page-card .ph em { font-size: 11px; white-space: nowrap; }
  .conn .pts { grid-template-columns: 1fr; }
  .tw .b { min-height: 520px; }
  .qs a, .faq-list a { font-size: 18px; padding: 22px 0; }
  .trust, .trust:has(> :nth-child(4)):not(:has(> :nth-child(5))), .trust:has(> :nth-child(3)):not(:has(> :nth-child(4))) { grid-template-columns: 1fr; row-gap: 0; }
  .tr, .tr:nth-child(4) { border-left: 0; padding: 24px 0; border-top: 1px solid var(--line); }
  .tr:first-child { border-top: 0; padding-top: 0; }
  .mq .tpl { width: 268px; margin-right: 16px; }
  .end { padding: 96px 0 120px; }
  .end-mark { width: 120px; height: 120px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 4px; }
  /* 内页 */
  .page-hero { padding: 72px 0 40px; }
  .page-hero .lead { font-size: 18px; }
  .page-hero .hero-actions .btn { width: 100%; }
  .page-body { padding: 24px 0 80px; }
  .h2-mark { margin: 64px 0 24px; }
  .card-grid, .fact-grid, .plan-grid, .tpl-grid, .related--cards ul, .lic-grid, .aud-grid, .check-list--2 { grid-template-columns: 1fr; }
  .card, .item-card, .fact-card, .form-panel, .plan-card { padding: 24px; }
  .aud-card { padding: 22px; gap: 16px; }
  .aud-card p { font-size: 16px; }
  .feat-card { padding: 0; }
  .feat-card .feat-vis { height: auto; max-height: 260px; padding: 20px 20px 0; }
  .feat-card h2, .feat-card p, .feat-card .feat-tags { margin-left: 22px; margin-right: 22px; }
  .row-list li > a { grid-template-columns: 1fr; gap: 4px; }
  .doc-layout { grid-template-columns: 1fr; gap: 24px; }
  .doc-side { position: static; border-right: 0; padding-right: 0; max-height: none; }
  .doc-nav { display: none; }
  .doc-jump { display: block; }
  .legal-toc { display: none; }
  .timeline::before { left: 7px; top: 24px; }
  .tl-item { grid-template-columns: 1fr; padding: 22px 20px 22px 36px; }
  .tl-dot { position: absolute; left: 0; top: 32px; margin: 0; }
  .tl-ver strong { font-size: 30px; }
  .contact-form, .contact-layout { grid-template-columns: 1fr; }
  .contact-info { padding: 4px 20px; }
  .prev-next { grid-template-columns: 1fr; }
  .lexi-extra-item { grid-template-columns: 1fr; gap: 2px; }
  .prose--kv h2 + ul, .prose--product > ul:has(> li:first-child > strong:first-child) { grid-template-columns: 1fr; }
  .prose--kv table:not(:has(th:nth-child(3))) td:first-child { width: auto; }
  .plan-badge { left: 24px; }
  .page-cta { padding: 80px var(--gutter) 96px; margin-top: 88px; }
  .page-cta .end-mark { width: 92px; height: 92px; }
  .ver-card { flex-direction: column; align-items: stretch; padding: 24px 20px; }
  /* 表格：两列表格上下堆叠；多列对比表横向滚动、首列固定 */
  .prose table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .prose table th:first-child, .prose table td:first-child { position: sticky; left: 0; background: #fff; z-index: 1; }
  .prose table thead th:first-child { background: var(--bg-soft); }
  .prose--tables-full table:has(th:nth-child(3)) { font-size: 14px; }
  .prose--tables-full table:has(th:nth-child(3)) th, .prose--tables-full table:has(th:nth-child(3)) td { padding: 10px 8px; word-break: keep-all; }
  .prose table:not(:has(th:nth-child(3))) { display: table; }
  .prose table:not(:has(th:nth-child(3))) thead { display: none; }
  .prose table:not(:has(th:nth-child(3))) tr { display: block; padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
  .prose table:not(:has(th:nth-child(3))) td { display: block; border: 0; padding: 2px 0; position: static; background: none; }
  .prose--kv table:not(:has(th:nth-child(3))) tr { padding: 12px 18px; border-bottom-color: #fff; }
  .prose--kv table:not(:has(th:nth-child(3))) tr:last-child { border-bottom: 0; }
}

/* ---------- 低配模式：开场几帧测得电脑偏慢时启用，只保留核心动效 ---------- */
.lite .stage .ring, .lite .hero-glow i:nth-child(2) { display: none; }
.lite .stars i, .lite .plan.hot, .lite .plan-card--hl, .lite .pill::before, .lite .halo::before, .lite .hero-glow i, .lite .stage::before, .lite .term::before, .lite .orbs i, .lite .aurora i, .lite .soft-glow i, .lite .page-hero::before, .lite .page-hero::after { animation: none; }

/* ---------- 减少动态效果（html.rm，页头脚本按 ?motion=reduce 判定）：动画直接落到终态 ---------- */
.rm *, .rm *::before, .rm *::after { animation-duration: .001ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
html.rm { scroll-behavior: auto; }
.rm .mq-row { overflow-x: auto; }
.rm .mq-row.rev { display: none; }