/* =========================================================================
   Qarvey / qarvey.com · 多账号运营助手官网
   风格：暖纸底、近黑字、墨色按钮、粉色只点品牌，像产品不像模板。
   ========================================================================= */

:root {
  --font-sans: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Source Han Serif SC", "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --bg: #f3eee6;
  --soft: #ebe4d8;
  --surface: #fffdf8;

  --ink-1: #16130f;
  --ink-2: #4a453e;
  --ink-3: #7a7368;
  --ink-4: #b0a89c;

  --line: rgba(22,19,15,.12);
  --line-2: rgba(22,19,15,.07);
  --fill: rgba(22,19,15,.055);

  --accent: #16130f;
  --accent-ink: #000000;
  --accent-weak: rgba(22,19,15,.08);

  --brand: #ff6fa5;

  --ok: #2f6b45;
  --warn: #a15c12;

  --shadow-sm: 0 1px 2px rgba(22,19,15,.04);
  --shadow: 0 18px 40px -28px rgba(22,19,15,.45);
  --radius: 18px;
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { font-family: var(--font-ui); background: var(--bg); color: var(--ink-2); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select { font: inherit; color: inherit; }
svg { display: block; }
em { font-style: italic; color: var(--ink-1); text-decoration: none; }
b { font-weight: 700; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 999px; font-size: 14.5px; font-weight: 620; transition: background .16s, border-color .16s, color .16s, transform .16s; white-space: nowrap; }
.btn-lg { padding: 13px 24px; font-size: 15.5px; }
.btn-block { width: 100%; border-radius: 12px; }
.btn-primary { color: #fffdf8; background: var(--accent); }
.btn-primary:hover { background: var(--accent-ink); }
.btn-line { color: var(--ink-1); background: transparent; border: 1px solid var(--line); }
.btn-line:hover { border-color: var(--ink-1); }
.btn-ghost { color: var(--ink-2); padding: 10px 12px; }
.btn-ghost:hover { color: var(--ink-1); }
.btn:disabled { cursor: wait; opacity: .64; }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid var(--accent-weak); outline-offset: 3px; }

/* 导航 */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(243,238,230,.82); backdrop-filter: blur(16px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-bottom-color: var(--line-2); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 34px; height: 34px; border-radius: 10px; flex: none; display: grid; place-items: center; color: #fff; background: var(--brand); }
/* 字标横宽竖短，只占 viewBox 约 80%×58%，所以要比方形图标给得大一些 */
.brand-logo svg { width: 24px; height: 24px; }
.brand-text b { display: block; font-size: 16px; font-weight: 750; letter-spacing: -0.3px; line-height: 1.15; color: var(--ink-1); }
.brand-text small { font-size: 11.5px; color: var(--ink-3); }
.nav-links { display: flex; gap: 2px; margin-left: 12px; }
.nav-links a { padding: 7px 12px; border-radius: 8px; font-size: 15px; font-weight: 500; color: var(--ink-2); transition: color .15s, background .15s; }
.nav-links a:hover { color: var(--ink-1); background: var(--fill); }
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-burger { display: none; margin-left: auto; width: 38px; height: 38px; border-radius: 10px; flex-direction: column; align-items: center; justify-content: center; gap: 4px; background: var(--surface); border: 1px solid var(--line); }
.nav-burger span { width: 16px; height: 2px; border-radius: 2px; background: var(--ink-1); transition: .2s; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav-mobile { display: none; flex-direction: column; gap: 2px; padding: 8px 16px 16px; background: var(--surface); border-bottom: 1px solid var(--line-2); }
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 12px; border-radius: 9px; font-weight: 550; color: var(--ink-1); }
.nav-mobile a:hover { background: var(--fill); }
.nav-mobile-actions { display: flex; gap: 10px; margin-top: 8px; }
.nav-mobile-actions .btn { flex: 1; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero { padding: 84px 0 56px; }
.cap .hero { padding: 64px 0 48px; }
.hero-inner { display: grid; grid-template-columns: 1fr 1.08fr; gap: 56px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 11px; border-radius: 100px; background: rgba(255,111,165,.1); border: 1px solid rgba(255,111,165,.22); font-size: 12.5px; font-weight: 600; color: #a1436d; margin-bottom: 22px; }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); }
.hero h1 { font-family: var(--font-sans); font-size: 58px; line-height: 1.08; font-weight: 560; letter-spacing: -1.8px; color: var(--ink-1); }
.lead { margin-top: 22px; font-size: 17.5px; line-height: 1.78; color: var(--ink-2); max-width: 500px; }
.hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13.5px; color: var(--ink-3); }
.plats { display: flex; align-items: baseline; gap: 16px; margin-top: 64px; padding-top: 26px; border-top: 1px solid var(--line-2); }
.plats > span { flex: none; font-size: 13px; font-weight: 650; color: var(--ink-1); }
.plats p { font-size: 14.5px; line-height: 1.8; color: var(--ink-3); }

/* 产品示意：对照真实控制台，不编经营数字 */
.shot { border-radius: 22px; background: #1b1916; border: 1px solid rgba(22,19,15,.35); box-shadow: var(--shadow); overflow: hidden; }
.shot-bar { display: flex; align-items: center; gap: 10px; padding: 11px 14px; background: #141210; border-bottom: 1px solid rgba(255,253,248,.06); }
.shot-dots { display: flex; gap: 6px; }
.shot-dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,253,248,.16); }
.shot-title { font-size: 12px; font-weight: 600; color: rgba(255,253,248,.55); }
.demo-badge { margin-left: auto; padding: 2px 8px; border-radius: 100px; background: rgba(255,111,165,.14); color: #ff9ec0; font-size: 10.5px; font-weight: 650; white-space: nowrap; }
.shot-app { display: grid; grid-template-columns: 168px 1fr; min-height: 360px; }
.shot-side { padding: 14px 12px; background: #141210; color: rgba(255,253,248,.58); }
.shot-side-brand { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; color: #fffdf8; font-size: 13px; font-weight: 700; }
.shot-side-brand i { width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center; background: var(--brand); color: #fff; font-size: 11px; font-style: normal; font-weight: 800; }
.shot-side nav { display: flex; flex-direction: column; gap: 4px; font-size: 12px; }
.shot-side nav b { color: #fffdf8; font-weight: 650; padding: 8px 10px; border-radius: 8px; background: rgba(255,253,248,.08); }
.shot-side nav span { padding: 7px 10px; border-radius: 8px; }
.shot-stage { padding: 28px 26px 22px; background: linear-gradient(180deg, #f7f2ea, #efe7d9); color: var(--ink-1); }
.shot-stage .kicker { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.shot-stage h3 { margin: 8px 0 10px; font-family: var(--font-sans); font-size: 28px; font-weight: 560; letter-spacing: -0.8px; }
.shot-stage p { font-size: 13.5px; line-height: 1.65; color: var(--ink-2); max-width: 28em; }
.shot-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.shot-chips i { font-style: normal; font-size: 12px; padding: 7px 11px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-1); }
.shot-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat { padding: 14px; border-radius: 12px; background: var(--soft); border: 1px solid var(--line-2); }
.stat small { display: block; font-size: 12px; color: var(--ink-3); }
.stat b { display: block; margin-top: 5px; font-family: var(--font-mono); font-size: 22px; font-weight: 600; line-height: 1.1; color: var(--ink-1); letter-spacing: -0.5px; }
.stat b span { font-family: var(--font-sans); font-size: 13px; font-weight: 600; margin-left: 1px; }
.stat em { display: block; margin-top: 5px; font-style: normal; text-decoration: none; font-size: 11.5px; color: var(--ink-3); }
.shot-panel { padding: 14px 15px 15px; border-radius: 12px; border: 1px solid var(--line-2); }
.shot-panel-h { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.shot-panel-h span { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 84px; }
.bars span { flex: 1; height: var(--h); border-radius: 5px 5px 2px 2px; background: var(--accent); opacity: .8; animation: grow .8s cubic-bezier(.2,.7,.2,1) backwards; }
.bars span:nth-child(even) { opacity: .45; }
@keyframes grow { from { transform: scaleY(0); transform-origin: bottom; } }
.plan { list-style: none; display: flex; flex-direction: column; }
.plan li { display: flex; align-items: center; gap: 10px; padding: 9px 0; font-size: 13.5px; color: var(--ink-2); border-bottom: 1px solid var(--line-2); }
.plan li:last-child { border-bottom: none; }
.pf { flex: none; font-size: 12px; font-weight: 650; color: var(--ink-1); background: var(--soft); border: 1px solid var(--line-2); padding: 2px 9px; border-radius: 7px; }
.tag { margin-left: auto; flex: none; font-style: normal; text-decoration: none; font-size: 11.5px; font-weight: 620; padding: 3px 9px; border-radius: 7px; background: var(--fill); color: var(--ink-2); }
.tag.done { background: rgba(21,128,61,.1); color: var(--ok); }
.tag.wait { background: rgba(180,83,9,.1); color: var(--warn); }

/* 区块 */
.band { padding: 96px 0; }
.band-soft { background: var(--soft); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.head { max-width: 660px; margin-bottom: 52px; }
.head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 620; color: var(--ink-3); letter-spacing: .04em; margin-bottom: 12px; }
.head h2 { font-family: var(--font-sans); font-size: 40px; line-height: 1.18; font-weight: 560; letter-spacing: -1.1px; color: var(--ink-1); }
.head-sub { margin-top: 14px; font-size: 16px; line-height: 1.75; color: var(--ink-2); }

/* 三步 */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.step { padding-top: 8px; }
.step-no { display: block; font-family: var(--font-mono); font-size: 40px; font-weight: 600; line-height: 1; color: var(--accent); opacity: .34; margin-bottom: 16px; }
.step h3 { font-size: 20px; font-weight: 740; color: var(--ink-1); margin-bottom: 10px; letter-spacing: -0.3px; }
.step p { font-size: 15.5px; line-height: 1.78; color: var(--ink-2); }

/* 交错功能行 */
.rows { display: flex; flex-direction: column; gap: 72px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.row.reverse .row-txt { order: 2; }
.row-txt h3 { font-size: 26px; font-weight: 760; letter-spacing: -0.6px; color: var(--ink-1); margin-bottom: 14px; }
.row-txt p { font-size: 16px; line-height: 1.78; color: var(--ink-2); }
.ticks { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.ticks li { position: relative; padding-left: 26px; font-size: 15px; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 8px; width: 16px; height: 16px; border-radius: 50%; background: var(--accent-weak) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2316130f' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center no-repeat; }
.ticks.big li { font-size: 15.5px; }

.mini { padding: 20px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.mini-h { font-size: 13.5px; font-weight: 650; color: var(--ink-1); margin-bottom: 14px; }
.mini-list { list-style: none; display: flex; flex-direction: column; }
.mini-list li { display: flex; align-items: center; gap: 10px; padding: 10px 0; font-size: 14px; color: var(--ink-2); border-bottom: 1px solid var(--line-2); }
.mini-list li:last-child { border-bottom: none; }
.mini-list li span { font-weight: 600; color: var(--ink-1); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips i { font-style: normal; font-size: 13px; font-weight: 550; color: var(--ink-1); background: var(--soft); border: 1px solid var(--line-2); padding: 6px 13px; border-radius: 100px; }
.mini-note { margin-top: 14px; font-size: 12.5px; color: var(--ink-3); }

/* 账号小网格 */
.acct-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.acct { padding: 11px; border-radius: 10px; background: var(--soft); border: 1px solid var(--line-2); }
.acct-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.acct-name { font-size: 12.5px; font-weight: 650; color: var(--ink-1); }
.acct .d { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.d.ok { background: var(--ok); } .d.warn { background: var(--warn); }
.acct-sub { margin-top: 5px; font-size: 11px; color: var(--ink-3); }

/* 看效果 */
.result-layout { display: grid; grid-template-columns: 1fr 1.02fr; gap: 60px; align-items: center; }
.result-copy h2 { font-size: 34px; line-height: 1.24; font-weight: 780; letter-spacing: -0.9px; color: var(--ink-1); }
.result-copy p { margin-top: 16px; font-size: 16px; line-height: 1.78; color: var(--ink-2); }
.result-panel { padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.rf-rows { display: flex; flex-direction: column; gap: 14px; }
.rf-row { display: grid; grid-template-columns: 62px 1fr 34px; gap: 12px; align-items: center; }
.rf-name { font-size: 14px; color: var(--ink-2); }
.rf-bar { height: 10px; border-radius: 6px; background: var(--fill); overflow: hidden; }
.rf-bar i { display: block; height: 100%; width: var(--w); border-radius: 6px; background: var(--accent); opacity: .85; animation: rfgrow 1s cubic-bezier(.2,.7,.2,1) backwards; }
@keyframes rfgrow { from { width: 0; } }
.rf-val { font-family: var(--font-mono); font-size: 13.5px; font-weight: 600; color: var(--ink-1); text-align: right; }

/* 放心 */
.safe-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.safe-card { padding: 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.safe-card b { display: block; font-size: 17px; font-weight: 740; color: var(--ink-1); margin-bottom: 8px; letter-spacing: -0.3px; }
.safe-card p { font-size: 15px; line-height: 1.75; color: var(--ink-2); }

/* 进度 */
.stage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stage-col { padding: 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.stage-h { display: flex; align-items: center; gap: 9px; font-size: 15.5px; font-weight: 740; margin-bottom: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--line-2); }
.stage-h .dot { width: 9px; height: 9px; border-radius: 50%; }
.stage-h.ok { color: var(--ok); } .stage-h.ok .dot { background: var(--ok); }
.stage-h.warn { color: var(--warn); } .stage-h.warn .dot { background: var(--warn); }
.stage-h.plan { color: var(--ink-3); } .stage-h.plan .dot { background: var(--ink-4); }
.stage-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.stage-col li { position: relative; padding-left: 18px; font-size: 15px; line-height: 1.6; color: var(--ink-2); }
.stage-col li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-4); }

/* 价格 */
.price-toggle { display: flex; gap: 4px; padding: 4px; border-radius: 11px; background: var(--surface); border: 1px solid var(--line); width: max-content; margin: 0 auto 38px; }
.price-toggle button { padding: 9px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--ink-3); transition: all .16s; display: inline-flex; align-items: center; gap: 8px; }
.price-toggle button.on { background: var(--accent-weak); color: var(--ink-1); }
.price-toggle .save { font-size: 11px; font-weight: 600; color: var(--ok); background: rgba(21,128,61,.1); padding: 2px 7px; border-radius: 6px; }
.pricing-status { max-width: 720px; margin: -18px auto 26px; padding: 12px 16px; border-radius: 11px; background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); font-size: 13.5px; line-height: 1.65; text-align: center; }
.pricing-status.is-ready { border-color: rgba(21,128,61,.22); background: rgba(21,128,61,.05); color: var(--ok); }
.pricing-status.is-error { border-color: rgba(180,83,9,.24); background: rgba(180,83,9,.06); color: var(--warn); }
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; align-items: start; }
.price-grid:empty { display: none; }
.price-card { padding: 28px 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; position: relative; }
.price-card.featured { border-color: var(--ink-1); box-shadow: var(--shadow); }
.price-card.selected { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); }
.price-flag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); font-size: 11.5px; font-weight: 650; color: #fff; padding: 4px 14px; border-radius: 100px; background: var(--accent); white-space: nowrap; }
.price-name { font-size: 18px; font-weight: 760; color: var(--ink-1); }
.price-who { font-size: 13.5px; color: var(--ink-3); margin-top: 4px; min-height: 40px; }
.price-amount { display: flex; align-items: baseline; gap: 2px; margin: 10px 0 6px; }
.price-amount .cur { font-size: 18px; font-weight: 700; color: var(--ink-2); }
.price-amount b { font-family: var(--font-mono); font-size: 38px; font-weight: 600; letter-spacing: -1.2px; color: var(--ink-1); }
.price-amount .per { font-size: 14px; color: var(--ink-3); }
.price-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; min-height: 29px; margin-bottom: 20px; }
.price-seats, .price-credits { font-size: 12.5px; font-weight: 620; display: inline-block; padding: 4px 11px; border-radius: 100px; }
.price-seats { color: var(--accent); background: var(--accent-weak); }
.price-credits { color: var(--ok); background: rgba(21,128,61,.09); }
.price-feats { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-top: 22px; }
.price-feats li { position: relative; padding-left: 24px; font-size: 14px; color: var(--ink-2); }
.price-feats li::before { content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 50%; background-repeat: no-repeat; background-position: center; }
.price-feats li.on::before { background-color: var(--accent-weak); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2316130f' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E"); }
.price-feats li.off { color: var(--ink-4); }
.price-feats li.off::before { background-color: var(--fill); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='9' viewBox='0 0 24 24' fill='none' stroke='%23aab1bd' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E"); }
.price-extra { margin-top: 22px; padding: 24px 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.price-extra b { font-size: 17px; font-weight: 740; color: var(--ink-1); }
.price-extra span { display: block; font-size: 14.5px; color: var(--ink-2); margin-top: 4px; }
.price-note { margin-top: 20px; text-align: center; font-size: 13px; color: var(--ink-3); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { padding: 2px 22px; border-radius: 13px; background: var(--surface); border: 1px solid var(--line); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 19px 0; font-size: 16px; font-weight: 650; color: var(--ink-1); cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-mark { position: relative; width: 15px; height: 15px; flex: none; }
.faq-mark::before, .faq-mark::after { content: ""; position: absolute; background: var(--ink-3); border-radius: 2px; transition: transform .2s; }
.faq-mark::before { left: 0; top: 6.5px; width: 15px; height: 2px; }
.faq-mark::after { left: 6.5px; top: 0; width: 2px; height: 15px; }
.faq-item[open] .faq-mark::after { transform: scaleY(0); }
.faq-item p { padding: 0 0 21px; font-size: 15.5px; line-height: 1.8; color: var(--ink-2); }

/* 试用 */
.trial-card { display: grid; grid-template-columns: 1fr 400px; gap: 52px; padding: 46px; align-items: center; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); }
.trial-copy h2 { font-size: 32px; line-height: 1.26; font-weight: 780; letter-spacing: -0.8px; color: var(--ink-1); margin: 10px 0 14px; }
.trial-copy > p { font-size: 16px; line-height: 1.78; color: var(--ink-2); max-width: 440px; }
.trial-form { display: flex; flex-direction: column; gap: 14px; padding: 26px; border-radius: 16px; background: var(--soft); border: 1px solid var(--line-2); }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 13.5px; font-weight: 620; color: var(--ink-2); }
.field input, .field select { padding: 12px 14px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); color: var(--ink-1); font-size: 14.5px; transition: border-color .15s, box-shadow .15s; }
.field input::placeholder { color: var(--ink-4); }
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); }
.field input[aria-invalid="true"], .privacy-check input[aria-invalid="true"] { border-color: #b91c1c; }
.selected-plan { padding: 9px 11px; border-radius: 9px; background: var(--accent-weak); color: var(--accent-ink); font-size: 13px; line-height: 1.55; }
.privacy-check { display: flex; align-items: flex-start; gap: 9px; color: var(--ink-2); font-size: 12.5px; line-height: 1.65; cursor: pointer; }
.privacy-check input { width: 17px; height: 17px; margin-top: 2px; flex: none; accent-color: var(--accent); }
.privacy-check a { color: var(--accent); font-weight: 650; text-decoration: underline; text-underline-offset: 2px; }
.form-status { padding: 11px 13px; border-radius: 10px; border: 1px solid var(--line); font-size: 13px; line-height: 1.65; }
.form-status.is-submitting { color: var(--ink-2); background: var(--surface); }
.form-status.is-success { color: var(--ok); border-color: rgba(21,128,61,.22); background: rgba(21,128,61,.06); }
.form-status.is-error { color: #991b1b; border-color: rgba(185,28,28,.2); background: rgba(185,28,28,.055); }
.hp-field { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(1px, 1px, 1px, 1px) !important; clip-path: inset(50%) !important; white-space: nowrap !important; }
.form-hint { font-size: 12.5px; color: var(--ink-3); line-height: 1.65; text-align: center; }
.form-hint a { color: var(--accent); font-weight: 600; }

/* 法律与隐私页面 */
.legal-page { min-height: 100vh; background: var(--soft); }
.legal-nav { position: static; background: var(--surface); border-bottom: 1px solid var(--line-2); }
.legal-nav .nav-inner { justify-content: space-between; }
.legal-main { padding: 64px 0 88px; }
.legal-wrap { max-width: 820px; padding: 42px 48px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.legal-kicker { color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .05em; }
.legal-wrap h1 { margin-top: 8px; color: var(--ink-1); font-size: 38px; line-height: 1.25; letter-spacing: -1px; }
.legal-meta { margin-top: 12px; color: var(--ink-3); font-size: 13px; }
.legal-notice { margin-top: 26px; padding: 16px 18px; border-radius: 12px; border: 1px solid rgba(180,83,9,.2); background: rgba(180,83,9,.055); color: #854d0e; font-size: 14px; line-height: 1.75; }
.legal-content { margin-top: 34px; }
.legal-content section + section { margin-top: 30px; }
.legal-content h2 { margin-bottom: 10px; color: var(--ink-1); font-size: 20px; line-height: 1.4; }
.legal-content p, .legal-content li { color: var(--ink-2); font-size: 15px; line-height: 1.85; }
.legal-content ul, .legal-content ol { margin: 10px 0 0 22px; }
.legal-content a { color: var(--accent); font-weight: 650; text-decoration: underline; text-underline-offset: 3px; }
.legal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 38px; padding-top: 28px; border-top: 1px solid var(--line-2); }

/* 页脚 */
.foot { padding: 60px 0 30px; border-top: 1px solid var(--line-2); background: var(--soft); }
.foot-inner { display: grid; grid-template-columns: 1.3fr 2fr; gap: 44px; }
.foot-brand p { margin-top: 14px; font-size: 14px; line-height: 1.75; color: var(--ink-3); max-width: 300px; }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.foot-col { display: flex; flex-direction: column; gap: 11px; }
.foot-col b { font-size: 14px; font-weight: 700; color: var(--ink-1); margin-bottom: 3px; }
.foot-col a { font-size: 14px; color: var(--ink-2); transition: color .15s; }
.foot-col a:hover { color: var(--accent); }
.foot-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line-2); font-size: 13px; color: var(--ink-3); flex-wrap: wrap; gap: 8px; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%) translateY(20px); z-index: 200; padding: 12px 22px; border-radius: 11px; background: var(--ink-1); color: #fff; font-size: 14px; font-weight: 500; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: all .25s cubic-bezier(.2,.7,.2,1); max-width: 88vw; text-align: center; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 揭示 */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1); }
[data-reveal].in { opacity: 1; transform: none; }

/* 响应式 */
@media (max-width: 1024px) {
  .hero { padding: 64px 0 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .shot { max-width: 640px; }
  .shot-app { grid-template-columns: 1fr; }
  .shot-side { display: none; }
  .hero h1 { font-size: 44px; }
  .head h2 { font-size: 31px; }
  .steps { grid-template-columns: 1fr; gap: 34px; }
  .row, .row.reverse { grid-template-columns: 1fr; gap: 28px; }
  .row.reverse .row-txt { order: 0; }
  .result-layout { grid-template-columns: 1fr; gap: 34px; }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .plats { flex-direction: column; gap: 8px; }
}
@media (max-width: 860px) {
  .nav-links, .nav-actions { display: none; }
  .nav-burger { display: flex; }
  .trial-card { grid-template-columns: 1fr; gap: 30px; padding: 30px; }
  .foot-inner { grid-template-columns: 1fr; gap: 30px; }
  .safe-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .hero { padding: 44px 0 36px; }
  .hero h1 { font-size: 33px; letter-spacing: -1px; }
  .lead { font-size: 16px; }
  .head h2 { font-size: 26px; }
  .band { padding: 62px 0; }
  .stat-row { grid-template-columns: 1fr; }
  .stage-grid, .price-grid { grid-template-columns: 1fr; }
  .row-txt h3 { font-size: 22px; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
  .demo-badge { display: none; }
  .legal-main { padding: 28px 0 54px; }
  .legal-wrap { padding: 28px 22px; border-radius: 16px; }
  .legal-wrap h1 { font-size: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  *, [data-reveal] { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}