/* 贴图侠 · 宣传站（首页 / 功能 / 定价 / 帮助 / 关于）。沿用 app.css 的变量与按钮，这里只放营销页的版式。 */
:root {
  --wrap: 1140px;
  --serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif;
  /* 伪元素里用的 lucide 图标（data URI，描边色写死；行内图标走 lucide.svg 雪碧图） */
  --i-check-ok: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2317a86b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  --i-check-red: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff2442' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  --i-x: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b0aaa6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 6 6 18'/%3E%3Cpath d='m6 6 12 12'/%3E%3C/svg%3E");
  --i-plus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='M12 5v14'/%3E%3C/svg%3E");
  --i-lightbulb: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff2442' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 14c.2-1 .7-1.7 1.5-2.5 1-.9 1.5-2.2 1.5-3.5A6 6 0 0 0 6 8c0 1 .2 2.2 1.5 3.5.7.7 1.3 1.5 1.5 2.5'/%3E%3Cpath d='M9 18h6'/%3E%3Cpath d='M10 22h4'/%3E%3C/svg%3E");
  --i-info: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23807a76' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 16v-4'/%3E%3Cpath d='M12 8h.01'/%3E%3C/svg%3E");
  --ink: #1f1b18;
  --paper: #fbf9f7;
  --peach: #fff1ec;
  --grad: linear-gradient(135deg, #ff2442 0%, #ff6a3d 60%, #ffb347 100%);
  --shadow: 0 20px 60px rgba(31, 27, 24, .10);
  --shadow-sm: 0 6px 24px rgba(31, 27, 24, .08);
}
body.site { background: #fff; color: var(--ink); font-size: 15px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.site-main { display: block; }
.site h1, .site h2, .site h3 { letter-spacing: -.01em; }
.site h2 { font-size: 32px; line-height: 1.25; margin: 0 0 12px; font-weight: 700; }
.site h3 { font-size: 17px; margin: 0 0 6px; color: var(--ink); }
.site p { margin: 0 0 12px; }
.site .lead { font-size: 17px; color: var(--t2); line-height: 1.75; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--red); margin-bottom: 12px; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--red); border-radius: 2px; }
.site-main [id] { scroll-margin-top: 80px; }
.section { padding: 88px 0; }
.section.tight { padding: 56px 0; }
.section.alt { background: var(--paper); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }
.site .btn.lg { height: 50px; padding: 0 28px; font-size: 16px; }
.site .btn.white { background: #fff; color: var(--red); }
.site .btn.white:hover { background: #fff3f5; }
.site .btn.outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .6); }
.site .btn.outline-white:hover { background: rgba(255, 255, 255, .12); }

/* ---------- 顶栏 */
.site-head { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .86); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; height: 64px; gap: 28px; }
.site-head .logo { padding: 0; font-size: 18px; } .site-head .logo .logo-img { height: 34px; }
.site-nav { display: flex; gap: 4px; margin-left: 12px; }
.site-nav a { padding: 8px 14px; border-radius: var(--pill); font-size: 15px; color: var(--t2); transition: background .15s, color .15s; }
.site-nav a:hover { background: var(--fill-hover); color: var(--t1); }
.site-nav a.active { color: var(--t1); font-weight: 600; background: var(--fill-active); }
.site-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.nav-toggle { display: none; width: 40px; height: 40px; border: none; background: none; padding: 8px; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }

/* ---------- 首屏 */
.hero { position: relative; overflow: hidden; padding: 80px 0 72px; background: radial-gradient(1200px 600px at 85% -10%, #ffe6dc 0%, rgba(255, 230, 220, 0) 60%), radial-gradient(800px 500px at -10% 90%, #fff3e0 0%, rgba(255, 243, 224, 0) 60%), #fff; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 14px 0 6px; border-radius: var(--pill); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); font-size: 13px; color: var(--t2); margin-bottom: 22px; }
.hero-badge .icon { width: 15px; height: 15px; color: var(--red); }
.hero-badge b { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: var(--pill); background: var(--red); color: #fff; font-size: 11px; font-weight: 700; }
.hero h1 { font-size: 46px; line-height: 1.2; font-weight: 800; margin: 0 0 20px; }
.hero h1 .hl { position: relative; white-space: nowrap; }
.hero h1 .hl::after { content: ""; position: absolute; left: -2px; right: -2px; bottom: 6px; height: 14px; background: var(--red); opacity: .16; border-radius: 4px; z-index: -1; transform: rotate(-1deg); }
.hero .lead { font-size: 18px; max-width: 520px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 26px; }
.hero-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-tags span { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--t2); }
.hero-tags span::before { content: ""; width: 14px; height: 14px; flex: none; background: var(--i-check-ok) center / contain no-repeat; }

/* 卡片扇形堆叠：五张模板缩略图错位叠放，鼠标悬停轻微展开 */
.hero-stack { position: relative; height: 520px; }
.hero-stack .card-img { position: absolute; width: 230px; aspect-ratio: 3 / 4; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); background: #fff; border: 1px solid rgba(0, 0, 0, .06); transition: transform .5s cubic-bezier(.2, .8, .2, 1); }
.hero-stack .card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-stack .c1 { left: 6%; top: 8%; transform: rotate(-9deg); z-index: 1; }
.hero-stack .c2 { left: 28%; top: 0; transform: rotate(-3deg); z-index: 2; }
.hero-stack .c3 { left: 50%; top: 6%; transform: rotate(4deg); z-index: 3; }
.hero-stack .c4 { left: 18%; top: 38%; transform: rotate(3deg); z-index: 4; }
.hero-stack .c5 { left: 44%; top: 34%; transform: rotate(-4deg); z-index: 5; }
.hero-stack:hover .c1 { transform: rotate(-12deg) translate(-14px, -8px); }
.hero-stack:hover .c2 { transform: rotate(-5deg) translate(-4px, -14px); }
.hero-stack:hover .c3 { transform: rotate(7deg) translate(14px, -8px); }
.hero-stack:hover .c4 { transform: rotate(4deg) translate(-12px, 12px); }
.hero-stack:hover .c5 { transform: rotate(-6deg) translate(14px, 12px); }
.hero-stack .float { position: absolute; background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 12px 16px; font-size: 13px; z-index: 6; display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); animation: floaty 5s ease-in-out infinite; }
.hero-stack .float .icon { width: 22px; height: 22px; color: var(--red); }
.hero-stack .float b { display: block; font-size: 13px; } .hero-stack .float span { color: var(--t3); font-size: 12px; }
.hero-stack .f1 { right: 0; top: 30%; }
.hero-stack .f2 { left: 0; bottom: 8%; animation-delay: -2.5s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ---------- 数字条 */
.stats-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.stats-band .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-band .item { padding: 26px 20px; text-align: center; border-left: 1px solid var(--line); }
.stats-band .item:first-child { border-left: 0; }
.stats-band b { display: block; font-size: 30px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.2; }
.stats-band span { font-size: 13px; color: var(--t3); }

/* ---------- 五步流程 */
/* 进度轨道：横穿 5 张卡上方，.steps-flow.in 后从 0 填到 100%，节点按 0 / 25 / 50 / 75 / 100% 的时点依次点亮；
   卡片里的百分比（20 → 100）由 home.twig 的脚本数上去，底部小进度条同步填充。轨道跨度取首末两列的中心。 */
.steps-flow { --dur: 1.8s;
  /* 这一节的配色：从橘黄一路走到深绿（越接近「可以发了」越绿）。轨道用整条渐变，每张卡按自己所在的位置取一段 */
  --flow-grad: linear-gradient(90deg, #ff8a3d 0%, #f5a623 30%, #7cc242 60%, #2fae6b 80%, #0f7a4a 100%); }
.track { --g: 14px; --half: calc((100% - 4 * var(--g)) / 10); position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--g); height: 22px; margin: 0 0 14px; }
.track .rail, .track .fill { position: absolute; top: 50%; left: var(--half); right: var(--half); height: 4px; margin-top: -2px; border-radius: 2px; background: var(--line); }
.track .fill { right: auto; width: 0; background: var(--flow-grad); transition: width var(--dur) cubic-bezier(.2, .7, .2, 1); }
.steps-flow.in .track .fill { width: calc(100% - 2 * var(--half)); }
.track .node { position: relative; z-index: 1; justify-self: center; align-self: center; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--line); box-sizing: border-box; transition: border-color .25s, box-shadow .25s, transform .25s; }
.steps-flow.in .track .node { border-color: var(--c1); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c1) 14%, transparent); transform: scale(1.15); }
.track .n1 { --c1: #ff8a3d; } .track .n2 { --c1: #f5a623; } .track .n3 { --c1: #7cc242; } .track .n4 { --c1: #2fae6b; } .track .n5 { --c1: #0f7a4a; }
.steps-flow.in .track .n1 { transition-delay: 0s; } .steps-flow.in .track .n2 { transition-delay: calc(var(--dur) * .25); } .steps-flow.in .track .n3 { transition-delay: calc(var(--dur) * .5); }
.steps-flow.in .track .n4 { transition-delay: calc(var(--dur) * .75); } .steps-flow.in .track .n5 { transition-delay: var(--dur); }
.steps-flow.in .track .n5 { background: #0f7a4a; border-color: #0f7a4a; }

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.step { --d: 0s; position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 22px 20px 20px; transition: transform .2s, box-shadow .2s, border-color .3s var(--d); }
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.steps-flow.in .step { border-color: color-mix(in srgb, var(--c1) 30%, #fff); }
/* 每张卡的两个色标 = 它在整条橘黄 → 深绿渐变上占的那一段 */
.step.s1 { --c1: #ff8a3d; --c2: #f5a623; }
.step.s2 { --d: calc(var(--dur) * .25); --c1: #f5a623; --c2: #b8bd35; }
.step.s3 { --d: calc(var(--dur) * .5); --c1: #7cc242; --c2: #4db85a; }
.step.s4 { --d: calc(var(--dur) * .75); --c1: #2fae6b; --c2: #1d955a; }
.step.s5 { --d: var(--dur); --c1: #17915a; --c2: #0f7a4a; }
.step { --step-grad: linear-gradient(135deg, var(--c1), var(--c2)); }
.step .top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.step .num { width: 36px; height: 36px; border-radius: 12px; background: var(--step-grad); color: #fff; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; font-size: 15px; }
.step .pct { font-size: 22px; font-weight: 800; letter-spacing: -.02em; line-height: 1; background: var(--step-grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.step .pct b { font-weight: 800; }
.step h3 { font-size: 16px; }
.step p { font-size: 13px; color: var(--t3); line-height: 1.7; margin: 0 0 16px; flex: 1; }
.step .who { display: inline-block; align-self: flex-start; font-size: 11px; color: var(--c2); background: color-mix(in srgb, var(--c1) 12%, #fff); border-radius: var(--pill); padding: 2px 8px; margin-bottom: 8px; }
.step .who.ai { color: #7c3aed; background: #f3eefe; }
.step .prog { height: 6px; border-radius: 3px; background: var(--fill-active, #f2eeeb); overflow: hidden; }
.step .prog i { display: block; height: 100%; width: 0; border-radius: 3px; background: var(--step-grad); transition: width var(--dur) cubic-bezier(.2, .7, .2, 1); }
.steps-flow.in .step .prog i { width: var(--p); }

.steps-done { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 22px; font-size: 14px; color: var(--t2); opacity: 0; transform: translateY(6px); transition: opacity .5s ease, transform .5s ease; }
.steps-flow.in .steps-done { opacity: 1; transform: none; transition-delay: var(--dur); }
.steps-done .dot { width: 8px; height: 8px; border-radius: 50%; background: #ff8a3d; box-shadow: 0 0 0 4px rgba(255, 138, 61, .14); }
.steps-done b { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: #17a86b; background: #eaf8f0; border-radius: var(--pill); padding: 6px 14px; }
.steps-done b .icon { width: 16px; height: 16px; }
@media (prefers-reduced-motion: reduce) { .track .fill, .track .node, .step .prog i, .steps-done, .step { transition: none; } }

/* ---------- 功能亮点 */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 28px 26px; transition: transform .2s, box-shadow .2s; }
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.feature .ico { width: 44px; height: 44px; border-radius: 14px; background: var(--peach); color: var(--red); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.feature .ico .icon { width: 22px; height: 22px; }
.feature p { font-size: 14px; color: var(--t2); line-height: 1.75; margin: 0; }
.feature ul { margin: 10px 0 0; padding: 0; list-style: none; font-size: 13px; color: var(--t3); }
.feature li { padding-left: 16px; position: relative; margin: 4px 0; }
.feature li::before { content: "·"; position: absolute; left: 4px; color: var(--red); font-weight: 800; }

/* 左右图文（功能详情页） */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 48px 0; }
.split.rev > :first-child { order: 2; }
.split .visual { background: var(--paper); border-radius: 24px; padding: 28px; min-height: 320px; display: flex; align-items: center; justify-content: center; gap: 16px; overflow: hidden; border: 1px solid var(--line); }
.split .visual img { width: 100%; max-width: 220px; border-radius: 12px; box-shadow: var(--shadow-sm); }
.split .visual .row3 { display: flex; gap: 14px; align-items: center; justify-content: center; width: 100%; }
.split .visual .row3 img { max-width: none; width: 30%; }
.split .visual .row3 img:nth-child(2) { width: 36%; }
.split h2 { font-size: 28px; }
.split .checks { list-style: none; margin: 18px 0 0; padding: 0; }
.split .checks li { position: relative; padding-left: 30px; margin: 10px 0; color: var(--t2); font-size: 14px; line-height: 1.6; }
.split .checks li b { color: var(--ink); }
.split .checks li::before { content: ""; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: rgba(23, 168, 107, .12) var(--i-check-ok) center / 12px no-repeat; }

/* 模拟界面：角色 + 标签 / 文案 / 质检 */
.mock { background: #fff; border-radius: 16px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); padding: 18px 20px; width: 100%; max-width: 420px; font-size: 13px; }
.mock .mk-title { font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.mock .mk-title .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--red); }
.mock .chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 10px; }
.mock .chips span { border: 1px solid var(--line); border-radius: var(--pill); padding: 3px 10px; font-size: 12px; color: var(--t2); }
.mock .chips span.on { background: var(--red-soft); border-color: transparent; color: var(--red); font-weight: 600; }
.mock .line { height: 8px; border-radius: 4px; background: var(--fill-active); margin: 8px 0; }
.mock .line.short { width: 60%; } .mock .line.mid { width: 82%; }
.mock .qc { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 10px; margin: 6px 0; font-size: 12px; }
.mock .qc .icon { width: 15px; height: 15px; flex: none; }
.mock .qc.ok { background: rgba(23, 168, 107, .1); color: #0f7a4c; }
.mock .qc.warn { background: rgba(245, 166, 35, .12); color: #9a5b00; }
.mock .qc.bad { background: var(--red-soft); color: var(--red); }
.mock .bars { display: flex; align-items: flex-end; gap: 10px; height: 90px; padding: 6px 4px 0; }
.mock .bars i { flex: 1; background: var(--grad); border-radius: 6px 6px 2px 2px; display: block; position: relative; }
.mock .bars i::after { content: attr(data-v); position: absolute; top: -18px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--t3); font-style: normal; }
.mock .bar-labels { display: flex; gap: 10px; margin-top: 6px; } .mock .bar-labels span { flex: 1; text-align: center; font-size: 11px; color: var(--t3); }

/* ---------- 模板橱窗 */
.gallery { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.gallery-item { position: relative; border-radius: 14px; overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); aspect-ratio: 3 / 4; transition: transform .25s; }
.gallery-item:hover { transform: translateY(-6px); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-item .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 12px 10px; background: linear-gradient(transparent, rgba(0, 0, 0, .62)); color: #fff; font-size: 12px; font-weight: 600; opacity: 0; transition: opacity .2s; }
.gallery-item:hover .cap { opacity: 1; }
.gallery.wide { grid-template-columns: repeat(4, 1fr); }
.gallery-desc { font-size: 12px; color: var(--t3); margin-top: 8px; line-height: 1.6; }

/* ---------- 风格色板 */
.styles-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.style-card { border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: #fff; transition: transform .2s, box-shadow .2s; }
.style-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.style-card .sw { height: 92px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; }
.style-card .sw i { display: block; }
.style-card .sw .demo { display: flex; align-items: flex-end; padding: 10px; font-size: 13px; font-weight: 700; line-height: 1.2; }
.style-card .nm { padding: 10px 12px 12px; }
.style-card .nm b { display: block; font-size: 14px; }
.style-card .nm span { font-size: 12px; color: var(--t3); line-height: 1.5; display: block; }

/* ---------- 人群 */
.audience { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.aud { border-radius: 20px; padding: 28px; background: #fff; border: 1px solid var(--line); }
.aud .ico { width: 44px; height: 44px; border-radius: 14px; background: var(--peach); color: var(--red); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.aud .ico .icon { width: 22px; height: 22px; }
.aud p { font-size: 14px; color: var(--t2); line-height: 1.75; }
.aud .ex { font-size: 12px; color: var(--t3); border-top: 1px dashed var(--line); padding-top: 12px; margin-top: 14px; }

/* ---------- 引用 / 对比 */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare .col { border-radius: 20px; padding: 28px; }
.compare .before { background: var(--panel); }
.compare .after { background: var(--peach); border: 1px solid #ffd9cc; }
.compare h3 { display: flex; align-items: center; gap: 8px; }
.compare h3 .icon { width: 22px; height: 22px; }
.compare .before h3 .icon { color: var(--t3); }
.compare .after h3 .icon { color: var(--red); }
.compare ul { margin: 12px 0 0; padding: 0; list-style: none; color: var(--t2); font-size: 14px; line-height: 1.9; }
.compare li { position: relative; padding-left: 26px; }
.compare li::before { content: ""; position: absolute; left: 0; top: 5px; width: 17px; height: 17px; background: var(--i-x) center / contain no-repeat; }
.compare .after li::before { background-image: var(--i-check-red); }
.compare .after ul { color: var(--ink); }

/* ---------- CTA 横幅：通栏，紧贴页脚；莓紫色底（与品牌红同色系）+ 两团缓慢呼吸的暖柔光 */
.cta-band { position: relative; overflow: hidden; isolation: isolate; padding: 104px 0; color: #fff; background: linear-gradient(135deg, #2c1026 0%, #5c1b45 52%, #8d2a5e 100%); }
.cta-band::before, .cta-band::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; pointer-events: none; will-change: transform, opacity; }
.cta-band::before { width: 760px; height: 760px; right: -200px; top: -340px; background: radial-gradient(circle, rgba(255, 170, 120, .34) 0%, rgba(255, 170, 120, 0) 65%); animation: cta-glow 9s ease-in-out infinite alternate; }
.cta-band::after { width: 680px; height: 680px; left: -220px; bottom: -380px; background: radial-gradient(circle, rgba(255, 120, 165, .3) 0%, rgba(255, 120, 165, 0) 65%); animation: cta-glow 12s ease-in-out -5s infinite alternate; }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band .wrap > div:first-child { max-width: 700px; }
.cta-band h2 { color: #fff; font-size: 34px; line-height: 1.3; margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, .82); margin: 0; font-size: 16px; line-height: 1.75; }
.cta-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.cta-tags span { font-size: 12px; line-height: 1; padding: 7px 12px; border-radius: var(--pill); background: rgba(255, 255, 255, .13); border: 1px solid rgba(255, 255, 255, .22); color: rgba(255, 255, 255, .92); }
.cta-band .acts { display: flex; gap: 12px; flex: none; }
.cta-band .btn.white { box-shadow: 0 10px 30px rgba(40, 10, 30, .32); }
.site-main:has(> .cta-band:last-child) + .site-foot { margin-top: 0; }
@keyframes cta-glow {
  from { opacity: .5; transform: translate3d(0, 0, 0) scale(1); }
  to { opacity: 1; transform: translate3d(-28px, 20px, 0) scale(1.12); }
}

/* ---------- 为什么做贴图侠（创始人的话） */
.founder { position: relative; max-width: 860px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 44px 52px 36px; box-shadow: var(--shadow-sm); }
.founder::before { content: "\201C"; position: absolute; left: 36px; top: -6px; font-family: Georgia, "Times New Roman", serif; font-size: 120px; line-height: 1; color: var(--red); opacity: .14; pointer-events: none; }
.founder h2 { font-size: 28px; }
.founder p { font-size: 16px; line-height: 1.9; color: var(--t2); }
.founder .sign { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line); font-size: 14px; }
.founder .sign b { color: var(--ink); }
.founder .sign span { color: var(--t3); }
.founder .sign a { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; color: var(--red); font-weight: 600; }
.founder .sign a .icon { width: 16px; height: 16px; transition: transform .15s; }
.founder .sign a:hover .icon { transform: translateX(3px); }
/* 名字的由来：大字「侠」+ 说明 */
.name-card { max-width: 860px; margin: 20px auto 0; display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 36px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 40px 52px; box-shadow: var(--shadow-sm); }
.name-card .glyph { position: relative; z-index: 0; font-family: var(--serif); font-size: 112px; line-height: 150px; font-weight: 700; color: var(--red); text-align: center; }
.name-card .glyph::before { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--peach); z-index: -1; }
.name-card h3 { font-size: 21px; line-height: 1.4; margin-bottom: 10px; }
.name-card p { font-size: 15px; line-height: 1.85; color: var(--t2); }
.name-card p:last-child { margin: 0; }
.name-card p b { color: var(--ink); }
.name-card a { display: inline-flex; align-items: center; gap: 4px; color: var(--red); font-weight: 600; margin-left: 4px; white-space: nowrap; }
.name-card a .icon { width: 15px; height: 15px; }

/* ---------- 定价 */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 30px 28px; display: flex; flex-direction: column; }
.plan.highlight { border: 2px solid var(--red); box-shadow: 0 24px 60px rgba(255, 36, 66, .14); }
.plan .ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: var(--pill); white-space: nowrap; }
.plan h3 { font-size: 20px; display: flex; align-items: center; gap: 8px; }
.plan h3 .icon { width: 22px; height: 22px; color: var(--red); }
.plan .tagline { font-size: 13px; color: var(--t3); min-height: 40px; }
.plan .price { margin: 14px 0 18px; display: flex; align-items: baseline; gap: 6px; }
.plan .price b { font-size: 42px; font-weight: 800; line-height: 1; }
.plan .price small { font-size: 16px; font-weight: 600; }
.plan .price span { color: var(--t3); font-size: 13px; }
.plan ul { list-style: none; margin: 0 0 24px; padding: 0; flex: 1; }
.plan li { display: flex; gap: 10px; font-size: 14px; color: var(--t2); margin: 9px 0; line-height: 1.5; }
.plan li::before { content: ""; flex: none; width: 16px; height: 16px; margin-top: 2px; background: var(--i-check-ok) center / contain no-repeat; }
.plan .btn { width: 100%; height: 46px; }
.pricing-note { margin-top: 24px; background: var(--peach); border: 1px solid #ffd9cc; border-radius: 16px; padding: 16px 20px; font-size: 14px; color: var(--t2); display: flex; gap: 12px; align-items: flex-start; }
.pricing-note .icon { color: var(--red); width: 20px; height: 20px; flex: none; margin-top: 2px; }
.cmp-table { width: 100%; border-collapse: collapse; margin-top: 28px; font-size: 14px; }
.cmp-table th, .cmp-table td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: center; }
.cmp-table th:first-child, .cmp-table td:first-child { text-align: left; color: var(--t2); }
.cmp-table th { font-weight: 600; background: var(--paper); }
.cmp-table td .yes { color: var(--ok); } .cmp-table td .yes .icon { width: 18px; height: 18px; stroke-width: 2.5; }
.cmp-table td .no { color: var(--t4); } .cmp-table td .no .icon { width: 18px; height: 18px; }
.cmp-table tr.group td { background: var(--paper); font-weight: 600; color: var(--t1); text-align: left; font-size: 13px; }

/* ---------- FAQ */
.faq-list { max-width: 820px; margin: 0 auto; }
details.faq { border-bottom: 1px solid var(--line); padding: 4px 0; }
details.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 0; font-size: 16px; font-weight: 600; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: ""; flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--fill) var(--i-plus) center / 14px no-repeat; transition: transform .2s; }
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq .a { padding: 0 0 18px; color: var(--t2); font-size: 14px; line-height: 1.8; max-width: 720px; }
details.faq .a code { font-size: 12px; }

/* ---------- 帮助中心 */
.help-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; align-items: start; }
.help-toc { position: sticky; top: 88px; font-size: 14px; }
.help-toc a { display: block; padding: 7px 12px; border-radius: 10px; color: var(--t2); }
.help-toc a:hover { background: var(--fill); color: var(--t1); }
.help-toc a.active { background: var(--red-soft); color: var(--red); font-weight: 600; }
.help-toc .grp { font-size: 11px; color: var(--t4); letter-spacing: .1em; text-transform: uppercase; margin: 18px 12px 4px; }
.help-toc .grp:first-child { margin-top: 0; }
.prose.wide { max-width: 920px; }
.prose { max-width: 760px; font-size: 15px; line-height: 1.85; color: var(--t1); }
.prose h2 { font-size: 26px; margin: 0 0 16px; padding-top: 8px; scroll-margin-top: 90px; display: flex; align-items: center; gap: 12px; }
.prose h2 .h-ico { flex: none; width: 38px; height: 38px; border-radius: 12px; background: var(--peach); color: var(--red); display: inline-flex; align-items: center; justify-content: center; }
.prose h2 .h-ico .icon { width: 20px; height: 20px; }
.prose h2 .h-ico.glyph { font-family: var(--serif); font-size: 21px; font-weight: 700; }
.prose blockquote.classic { margin: 12px 0 18px; padding: 14px 20px; border-left: 3px solid var(--red); border-radius: 0 12px 12px 0; background: var(--paper); font-family: var(--serif); font-size: 17px; line-height: 1.8; color: var(--ink); }
.prose blockquote.classic p { margin: 0; }
.prose h3 { font-size: 18px; margin: 32px 0 10px; scroll-margin-top: 90px; }
.prose h2 + h3 { margin-top: 12px; }
.prose p, .prose ul, .prose ol { margin: 0 0 14px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 4px 0; }
.prose li > ul { margin: 4px 0 0; }
.prose a { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
.prose .tip { background: var(--peach); border-left: 3px solid var(--red); border-radius: 0 12px 12px 0; padding: 12px 16px; font-size: 14px; margin: 16px 0; display: flex; gap: 10px; align-items: flex-start; }
.prose .tip::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 4px; background: var(--i-lightbulb) center / contain no-repeat; }
.prose .note { background: var(--paper); border-radius: 12px; padding: 12px 16px; font-size: 14px; margin: 16px 0; color: var(--t2); display: flex; gap: 10px; align-items: flex-start; }
.prose .note::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 4px; background: var(--i-info) center / contain no-repeat; }
.prose table { width: 100%; border-collapse: collapse; margin: 12px 0 20px; font-size: 14px; }
.prose th, .prose td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { background: var(--paper); font-weight: 600; font-size: 13px; white-space: nowrap; }
.prose kbd { font: inherit; font-size: 12px; background: var(--fill); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px; }
.prose .steps-list { counter-reset: n; list-style: none; padding: 0; }
.prose .steps-list > li { position: relative; padding-left: 46px; margin: 16px 0; }
.prose .steps-list > li::before { counter-increment: n; content: counter(n); position: absolute; left: 0; top: 2px; width: 30px; height: 30px; border-radius: 10px; background: var(--grad); color: #fff; font-weight: 800; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; }
.prose .steps-list > li b { display: block; font-size: 16px; margin-bottom: 4px; }
.page-hero { padding: 64px 0 40px; background: linear-gradient(180deg, var(--paper), #fff); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: 40px; font-weight: 800; margin: 0 0 10px; }
.page-hero .lead { max-width: 640px; margin: 0; }
.sec-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.sec-nav a { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: var(--pill); background: #fff; border: 1px solid var(--line); font-size: 13px; color: var(--t2); transition: color .15s, border-color .15s, background .15s; }
.sec-nav a:hover { color: var(--red); border-color: rgba(255, 36, 66, .35); background: var(--peach); }
.sec-nav .icon { width: 15px; height: 15px; }

/* ---------- 关于 */
/* 手绘装饰（public/assets/decor，Handy Arrows · CC BY 4.0）：用 mask 染色，--d 指到 svg */
.decor { position: absolute; display: block; background: var(--red); -webkit-mask: var(--d) center / contain no-repeat; mask: var(--d) center / contain no-repeat; pointer-events: none; }
.about-hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; }
.about-stack { position: relative; height: 340px; }
.about-stack .card-img { position: absolute; width: 170px; aspect-ratio: 3 / 4; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); background: #fff; border: 1px solid rgba(0, 0, 0, .06); }
.about-stack .card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-stack .c1 { left: 8%; top: 40px; transform: rotate(-8deg); z-index: 1; }
.about-stack .c2 { left: 36%; top: 0; transform: rotate(2deg); z-index: 3; }
.about-stack .c3 { left: 62%; top: 56px; transform: rotate(8deg); z-index: 2; }
.about-stack .star { width: 44px; height: 44px; left: 2%; top: 0; }
.about-stack .sparkle { width: 90px; height: 40px; right: 0; bottom: 20px; color: var(--red); }
.about-text h2 { font-size: 28px; margin-bottom: 14px; }
.about-text p { font-size: 15px; line-height: 1.85; color: var(--t2); }
.about-text blockquote.classic { margin: 12px 0 16px; padding: 14px 20px; border-left: 3px solid var(--red); border-radius: 0 12px 12px 0; background: var(--paper); font-family: var(--serif); font-size: 17px; line-height: 1.8; color: var(--ink); }
.about-text blockquote.classic p { margin: 0; font-size: inherit; color: inherit; line-height: inherit; }
.split.alt-visual .visual, .section.alt .split .visual { background: #fff; }
/* 插画 1：刷不完的雷同封面 vs 一张有话说的卡 */
.feed-illo { position: relative; width: 100%; max-width: 380px; height: 400px; }
.feed-illo .phone { position: absolute; left: 0; top: 0; width: 210px; height: 400px; border-radius: 30px; background: #fff; border: 7px solid #2a2320; box-shadow: var(--shadow); overflow: hidden; }
.feed-illo .bar { height: 26px; display: flex; justify-content: center; align-items: flex-end; } .feed-illo .bar i { width: 60px; height: 6px; border-radius: 3px; background: #e8e3df; }
.feed-illo .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px; }
.feed-illo .dull { aspect-ratio: 3 / 4; border-radius: 8px; background: #f1eeeb; padding: 8px; display: flex; flex-direction: column; gap: 5px; }
.feed-illo .dull i { flex: 1; border-radius: 6px; background: #ddd7d2; } .feed-illo .dull b { height: 6px; width: 80%; border-radius: 3px; background: #cfc8c2; } .feed-illo .dull s { height: 6px; width: 50%; border-radius: 3px; background: #dcd6d1; }
.feed-illo .rays { width: 120px; height: 120px; right: 10px; top: 20px; color: var(--red); opacity: .25; transform: rotate(20deg); }
.feed-illo .pop { position: absolute; right: 0; top: 70px; width: 165px; aspect-ratio: 3 / 4; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); transform: rotate(6deg); border: 3px solid #fff; }
.feed-illo .pop img { width: 100%; height: 100%; object-fit: cover; display: block; }
.feed-illo .arrow { width: 90px; height: 30px; left: 180px; top: 200px; transform: rotate(-20deg); }
.feed-illo .tag { position: absolute; padding: 6px 12px; border-radius: var(--pill); font-size: 12px; font-weight: 600; box-shadow: var(--shadow-sm); background: #fff; display: inline-flex; align-items: center; gap: 4px; }
.feed-illo .tag.bad { left: 24px; bottom: 26px; color: var(--t3); text-decoration: line-through; }
.feed-illo .tag.good { right: 10px; bottom: 40px; color: var(--red); } .feed-illo .tag .icon { width: 14px; height: 14px; }
/* 插画 2：「侠」 */
.xia-illo { position: relative; width: 300px; height: 320px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px; }
.xia-illo .blob { width: 260px; height: 260px; left: 20px; top: 0; background: var(--peach); }
.xia-illo .glyph { position: relative; font-family: var(--serif); font-size: 136px; line-height: 1; font-weight: 700; color: var(--red); }
.xia-illo .burst { width: 54px; height: 54px; right: 24px; top: 18px; }
.xia-illo .star { width: 30px; height: 30px; left: 30px; bottom: 96px; opacity: .8; }
.xia-illo .chips { position: relative; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.xia-illo .chips span { padding: 6px 12px; border-radius: var(--pill); background: #fff; border: 1px solid var(--line); font-size: 13px; font-family: var(--serif); color: var(--ink); }
/* 插画 3：AI 标识 */
.ai-illo { position: relative; width: 300px; height: 320px; }
.ai-illo .doc { position: absolute; left: 20px; top: 20px; width: 210px; height: 280px; background: #fff; border-radius: 18px; box-shadow: var(--shadow); padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.ai-illo .badge { align-self: flex-start; display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: var(--pill); background: var(--red-soft); color: var(--red); font-size: 12px; font-weight: 700; } .ai-illo .badge .icon { width: 14px; height: 14px; }
.ai-illo .pic { height: 100px; border-radius: 12px; background: var(--grad); opacity: .85; }
.ai-illo .l { display: block; height: 8px; border-radius: 4px; background: var(--fill-active); } .ai-illo .l.mid { width: 80% } .ai-illo .l.short { width: 55% }
.ai-illo .meta { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--t3); } .ai-illo .meta .icon { width: 13px; height: 13px; }
.ai-illo .seal { position: absolute; right: 0; bottom: 40px; width: 104px; height: 104px; border-radius: 50%; background: #fff; box-shadow: var(--shadow); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--ok); font-size: 12px; font-weight: 700; border: 3px solid rgba(23, 168, 107, .25); transform: rotate(-8deg); }
.ai-illo .seal .icon { width: 34px; height: 34px; }
.ai-illo .sparkle { width: 70px; height: 30px; right: 10px; top: 10px; }
/* 路线图 */
.roadmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.rm { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 22px 24px; }
.rm-head { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; padding: 6px 12px; border-radius: var(--pill); margin-bottom: 14px; }
.rm-head .icon { width: 17px; height: 17px; }
.rm.done .rm-head { background: rgba(23, 168, 107, .1); color: #0f7a4c; }
.rm.doing .rm-head { background: rgba(245, 166, 35, .14); color: #9a5b00; } .rm.doing .rm-head .icon { animation: spin 3s linear infinite; }
.rm.plan .rm-head { background: var(--fill); color: var(--t2); }
.rm ul { list-style: none; margin: 0; padding: 0; }
.rm li { position: relative; padding: 6px 0 6px 18px; font-size: 14px; color: var(--t2); border-top: 1px dashed var(--line); }
.rm li:first-child { border-top: 0; }
.rm li::before { content: ""; position: absolute; left: 2px; top: 14px; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .5; }
.rm.done li::before { background: var(--ok); opacity: 1; } .rm.doing li::before { background: var(--warn); opacity: 1; }
@keyframes spin { to { transform: rotate(1turn); } }
.site .note-box { max-width: 720px; margin: 20px auto 0; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; font-size: 14px; color: var(--t2); display: flex; gap: 10px; align-items: flex-start; }
.note-box::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 2px; background: var(--i-info) center / contain no-repeat; }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.about-grid .box { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.about-grid .box .ico, .contact-card .c .ico { width: 38px; height: 38px; border-radius: 12px; background: #fff; border: 1px solid var(--line); color: var(--red); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.about-grid .box .ico .icon, .contact-card .c .ico .icon { width: 20px; height: 20px; }
.contact-card .c .ico { background: var(--peach); border-color: transparent; }
.about-grid .box b { display: block; font-size: 16px; margin-bottom: 6px; }
.about-grid .box p { font-size: 14px; color: var(--t2); margin: 0; line-height: 1.7; }
.contact-card { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 860px; margin: 0 auto; }
.contact-card .c { border: 1px solid var(--line); border-radius: 18px; padding: 22px 24px; background: #fff; }
.contact-card .c b { display: block; margin-bottom: 4px; }
.contact-card .c span { color: var(--t2); font-size: 14px; }
.contact-card .c a { color: var(--red); }

/* ---------- 动效 */
/* 滚动出现：只在有 JS 时先隐藏（html.js 由 site.twig 头部一行脚本加），没 JS 直接显示 */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
html.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } .hero-stack .float { animation: none; } .cta-band::before, .cta-band::after { animation: none; } }

/* ---------- 页脚 */
.site-foot { background: var(--ink); color: rgba(255, 255, 255, .72); padding: 56px 0 28px; margin-top: 40px; }
.site-foot .logo { color: #fff; padding: 0 0 12px; } .site-foot .logo .logo-mark { height: 28px; width: 28px; }
.foot-grid { display: grid; grid-template-columns: 1.7fr 1fr 1.1fr 1fr 1fr; gap: 32px; }
.foot-brand p { font-size: 13px; line-height: 1.8; margin: 0; color: rgba(255, 255, 255, .6); }
.site-foot h4 { color: #fff; font-size: 13px; margin: 0 0 12px; letter-spacing: .04em; }
.site-foot .foot-grid a:not(.logo) { display: block; font-size: 14px; padding: 4px 0; color: rgba(255, 255, 255, .72); }
.site-foot .foot-grid a:not(.logo):hover { color: #fff; }
.foot-bottom .ai-note { display: inline-flex; align-items: center; gap: 6px; } .foot-bottom .icon { width: 14px; height: 14px; }
.foot-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .12); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: rgba(255, 255, 255, .5); }

/* ---------- 响应式 */
@media (max-width: 1024px) {
  .hero h1 { font-size: 42px; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .track { display: none; }
  .gallery { grid-template-columns: repeat(4, 1fr); }
  .styles-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid, .audience, .plans, .about-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap { grid-template-columns: 1fr; }
  .stats-band .wrap { grid-template-columns: repeat(2, 1fr); }
  .stats-band .item:nth-child(3) { border-left: 0; }
  .help-layout { grid-template-columns: 1fr; gap: 24px; }
  .help-toc { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
  .help-toc .grp { display: none; }
}
@media (max-width: 768px) {
  .site h2 { font-size: 26px; }
  .section { padding: 56px 0; }
  .site-head .wrap { gap: 12px; }
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .site-actions .btn.ghost { display: none; }
  body.nav-open .site-nav { display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 64px; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px 16px; margin: 0; box-shadow: var(--shadow); }
  body.nav-open .site-nav a { padding: 12px 14px; font-size: 16px; }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding: 44px 0 40px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { font-size: 34px; }
  .hero-stack { height: 360px; }
  .hero-stack .card-img { width: 150px; }
  .hero-stack .float { display: none; }
  .steps, .feature-grid, .audience, .plans, .about-grid, .compare, .contact-card, .roadmap, .about-hero .wrap { grid-template-columns: 1fr; }
  .about-stack { height: 300px; } .about-stack .card-img { width: 140px; }
  .feed-illo { max-width: 100%; height: 380px; } .feed-illo .pop { width: 140px; } .feed-illo .arrow { left: 150px; }
  .xia-illo, .ai-illo { width: 100%; max-width: 300px; }
  .gallery, .gallery.wide { grid-template-columns: repeat(2, 1fr); }
  .styles-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split.rev { grid-template-columns: 1fr; gap: 24px; padding: 24px 0; }
  .split.rev > :first-child { order: 0; }
  .split .visual { min-height: 0; padding: 20px; }
  .sec-nav a { height: 32px; padding: 0 12px; font-size: 12px; }
  .founder { padding: 32px 24px 26px; } .founder::before { left: 16px; font-size: 90px; }
  .name-card { grid-template-columns: 1fr; gap: 20px; padding: 28px 24px; } .name-card .glyph { width: 96px; font-size: 68px; line-height: 96px; }
  .cta-band { padding: 64px 0; }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; gap: 28px; }
  .cta-band h2 { font-size: 26px; }
  .cta-band .acts { flex-wrap: wrap; }
  .page-hero h1 { font-size: 30px; }
  .cmp-table { display: block; overflow-x: auto; white-space: nowrap; }
  .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; }
}