/* ============================================================
   哼哼 · 营销落地页样式  —  暖阳·文房 ↔ 暗台·黄铜
   自包含（落地页不加载 app CSS）；token 对齐 .stitch/DESIGN.md
   ============================================================ */
:root {
  color-scheme: light;
  --bg: #f5efe2;
  --stage: #f9f3e6;
  --panel: #fcf8ee;
  --panel-2: #faf4e8;
  --ink: #3a332b;
  --ink-soft: #4d4438;
  --muted: #857d70;
  --faint: #a89e8e;
  --line: #ece3d2;
  --line-strong: #d8c3b1;
  --brass: #d9882c;
  --brass-deep: #b1542f;
  --brass-glow: #e8b469;
  --rust: #cf6a4f;
  --gold: #c2941f;
  --coral: #d2745a;
  --green: #6f9568;
  --lake: #5f918f;
  --rose: #b96a7d;
  --good: #6be39b;
  /* 暗台 */
  --stage-deep: #0e0b07;
  --stage-base: #14110c;
  --stage-card: #1e1913;
  --stage-ink: #f4ecdb;
  --stage-ink-dim: #b0a186;
  --stage-brass: #c29a5b;
  --stage-brass-glow: #e8b469;
  /* 典雅书卷：思源宋体 Noto Serif SC 为主，Fraunces 点缀拉丁/数字 */
  --font-han: "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
  --font-display: "Fraunces", "Noto Serif SC", "Songti SC", Georgia, serif;
  --font-sans: "Noto Serif SC", ui-serif, "Songti SC", "Source Han Serif SC", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --shadow: 0 14px 40px rgba(133, 125, 112, 0.16);
  --shadow-lift: 0 24px 60px rgba(120, 92, 64, 0.18);
  --radius: 18px;
  --radius-lg: 26px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; min-height: 100%; }
body.lp {
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(rgba(236, 227, 210, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(236, 227, 210, 0.5) 1px, transparent 1px),
    var(--bg);
  background-size: 30px 30px;
  font-family: var(--font-sans);
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, dl { margin: 0; }
[hidden] { display: none !important; }

/* ---------- 氛围层 ---------- */
.lp-atmos { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.lp-glow { position: absolute; border-radius: 50%; filter: blur(70px); }
.lp-glow--a { top: -16vh; left: -8vw; width: 64vw; max-width: 620px; height: 64vw; max-height: 620px;
  background: radial-gradient(circle, rgba(233, 173, 84, 0.5), transparent 70%); opacity: 0.62; }
.lp-glow--b { top: 50vh; right: -20vw; width: 60vw; max-width: 560px; height: 60vw; max-height: 560px;
  background: radial-gradient(circle, rgba(214, 119, 91, 0.3), transparent 70%); opacity: 0.55; }
.lp-grain { position: absolute; inset: 0; opacity: 0.05; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px; }

/* ---------- 顶栏 ---------- */
.lp-top {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center;
  padding: 14px clamp(16px, 4vw, 40px);
  background: rgba(245, 239, 226, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(236, 227, 210, 0.7);
}
.lp-brand { display: inline-flex; align-items: center; gap: 11px; }
.lp-logo-mark { display: block; filter: drop-shadow(0 5px 11px rgba(176, 84, 47, 0.22)); }
.lp-logo-mark svg { width: 100%; height: 100%; overflow: visible; }
.lp-brand-text { display: flex; flex-direction: column; line-height: 1; }
.lp-brand-name { font-family: var(--font-han); font-weight: 700; font-size: 21px; letter-spacing: 0.06em; }
.lp-brand-sub { margin-top: 3px; font-family: var(--font-sans); font-size: 11px; font-weight: 600; letter-spacing: 0.01em; color: var(--muted); }
.lp-nav { display: flex; justify-content: center; gap: 6px; }
.lp-nav-link { padding: 8px 14px; border-radius: 999px; color: var(--muted); font-weight: 700; font-size: 14px; transition: background .2s, color .2s; }
.lp-nav-link:hover { color: var(--ink); background: rgba(217, 136, 44, 0.08); }
.lp-nav-link.is-active { color: var(--brass-deep); background: rgba(217, 136, 44, 0.12); }
.lp-top-actions { display: flex; align-items: center; gap: 10px; }
.lp-lang { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--ink-soft); font-weight: 800; font-size: 13px; transition: border-color .2s, color .2s; }
.lp-lang:hover { border-color: var(--brass); color: var(--brass-deep); }

/* ---------- 按钮 ---------- */
.lp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 0 20px; border-radius: 999px;
  font-family: var(--font-sans); font-weight: 750; font-size: 15px; white-space: nowrap; cursor: pointer;
  border: 1px solid transparent; transition: transform .16s ease, box-shadow .22s ease, background-color .2s, border-color .2s, color .2s;
}
.lp-btn--lg { min-height: 52px; padding: 0 28px; font-size: 16px; }
.lp-btn--solid { color: #fff; background: linear-gradient(135deg, #e0a23e, var(--brass) 55%, #c9742a); box-shadow: 0 12px 30px rgba(201, 116, 42, 0.32); }
.lp-btn--solid:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(201, 116, 42, 0.4); }
.lp-btn--ghost { color: var(--ink-soft); background: rgba(252, 248, 238, 0.7); border-color: var(--line-strong); }
.lp-btn--ghost:hover { border-color: var(--brass); color: var(--brass-deep); transform: translateY(-2px); }
.lp-btn--disabled { color: var(--faint); background: rgba(236, 227, 210, 0.5); border-color: var(--line); cursor: not-allowed; }
.lp-btn:active:not(.lp-btn--disabled) { transform: scale(0.98); }
.lp-arr { transition: transform .2s ease; }
.lp-btn:hover .lp-arr { transform: translateX(3px); }

/* ---------- 主容器 / 区块 ---------- */
.lp-main { position: relative; z-index: 1; width: min(var(--maxw), 100%); margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px) 28px; }
.lp-main--narrow { width: min(960px, 100%); }
.lp-section { padding: clamp(32px, 4.8vw, 58px) 0; }
.lp-center { display: flex; justify-content: center; margin-top: 22px; }
.lp-kicker { font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: 14px; letter-spacing: 0.02em; color: var(--brass); }
.lp-sec-head { display: grid; gap: 8px; max-width: 720px; margin-bottom: 26px; }
.lp-sec-title { font-family: var(--font-display); font-weight: 480; font-size: clamp(26px, 3.4vw, 40px); line-height: 1.12; letter-spacing: -0.01em; color: var(--ink); }
.lp-sec-sub { color: var(--muted); font-size: 16px; }
.lp-rule { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-strong), transparent); }

/* ---------- Hero ---------- */
.lp-hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(24px, 4vw, 56px); align-items: center; padding: clamp(26px, 4vw, 52px) 0 clamp(22px, 3.5vw, 44px); }
.lp-eyebrow { display: inline-flex; align-items: center; gap: 8px; width: max-content; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(217, 136, 44, 0.28); background: rgba(255, 253, 248, 0.6); color: var(--brass-deep); font-size: 12.5px; font-weight: 700; letter-spacing: 0.02em; }
.lp-hero-title { margin-top: 18px; font-family: var(--font-display); font-weight: 480; font-size: clamp(40px, 6.6vw, 76px); line-height: 1.04; letter-spacing: -0.015em; color: var(--ink); }
.lp-hero-title--brand { font-family: var(--font-han); font-weight: 700; font-size: clamp(58px, 9vw, 108px); letter-spacing: 0.06em; line-height: 1; }
.lp-hero-lead { margin-top: 12px; font-family: var(--font-han); font-weight: 700; font-size: clamp(19px, 2.3vw, 27px); letter-spacing: 0.04em; color: var(--brass-deep); }
.lp-hero-sub { margin-top: 16px; max-width: 30em; color: var(--ink-soft); font-size: clamp(15px, 1.5vw, 18px); line-height: 1.72; }
.lp-cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.lp-badges { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 18px; list-style: none; padding: 0; }
.lp-badges li { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 650; }
.lp-badges li.is-ready { color: var(--ink-soft); }
.lp-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--green); box-shadow: 0 0 0 3px rgba(111, 149, 104, 0.2); }

/* Hero 暗台预览卡 */
.lp-hero-stage { display: grid; gap: 14px; justify-items: center; }
.lp-stage-card {
  position: relative; width: 100%; border-radius: var(--radius-lg); overflow: hidden;
  padding: 16px 16px 18px;
  background: radial-gradient(130% 90% at 50% -10%, #1f190f, var(--stage-base) 52%, var(--stage-deep));
  border: 1px solid rgba(194, 154, 91, 0.28);
  box-shadow: 0 30px 70px rgba(30, 20, 10, 0.4), inset 0 1px 0 rgba(232, 180, 105, 0.12);
}
.lp-stage-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.lp-stage-chip { font-family: var(--font-mono); font-size: 11px; color: var(--stage-brass); border: 1px solid rgba(194, 154, 91, 0.3); border-radius: 999px; padding: 4px 11px; }
.lp-stage-live { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; color: var(--stage-ink-dim); }
.lp-stage-livedot { width: 7px; height: 7px; border-radius: 999px; background: var(--good); box-shadow: 0 0 8px rgba(107, 227, 155, 0.8); animation: lp-pulse 1.6s ease-in-out infinite; }
@keyframes lp-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.lp-stage-canvas { width: 100%; height: clamp(150px, 22vw, 220px); border-radius: 14px; }
.lp-stage-readout { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; margin-top: 12px; padding: 0 4px; }
.lp-stage-note { font-family: var(--font-display); color: var(--stage-ink); line-height: 1; }
.lp-stage-note b { font-size: 34px; font-weight: 500; }
.lp-stage-note span { display: block; margin-top: 4px; font-family: var(--font-mono); font-size: 11px; color: var(--stage-ink-dim); }
.lp-stage-tuner { position: relative; height: 10px; border-radius: 999px; background: rgba(0, 0, 0, 0.35); border: 1px solid rgba(194, 154, 91, 0.22); }
.lp-stage-tuner::before { content: ""; position: absolute; left: 50%; top: -3px; bottom: -3px; width: 2px; background: rgba(194, 154, 91, 0.4); transform: translateX(-50%); }
.lp-stage-needle { position: absolute; top: 50%; left: 50%; width: 14px; height: 14px; border-radius: 50%; transform: translate(-50%, -50%); background: var(--stage-brass-glow); box-shadow: 0 0 12px rgba(232, 180, 105, 0.7); transition: left .12s linear, background .2s; }
.lp-stage-caption { color: var(--muted); font-size: 13px; text-align: center; max-width: 34em; }

/* ---------- 动效（手绘设计动画，非截图） ---------- */
.lp-motif { position: relative; width: 100%; border-radius: var(--radius-lg); overflow: hidden; }
.motif-canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
/* 工具动效：暗台黄铜 */
.lp-motif:not(.lp-motif--ability) {
  aspect-ratio: 16 / 11;
  border: 1px solid rgba(194, 154, 91, 0.28);
  background: radial-gradient(130% 90% at 50% -8%, #1f190f, var(--stage-base) 52%, var(--stage-deep));
  box-shadow: 0 26px 64px rgba(30, 20, 10, 0.34), inset 0 1px 0 rgba(232, 180, 105, 0.12);
}
/* 六维能力雷达：白天暖卡 */
.lp-motif--ability {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(217, 136, 44, 0.05), transparent 58%), var(--panel);
  box-shadow: var(--shadow-lift);
}
.lp-motif--ability .motif-canvas { bottom: 64px; }
.ability-cap { position: absolute; left: 0; right: 0; bottom: 0; display: flex; flex-direction: column; gap: 9px; padding: 12px 16px 16px; }
.ability-cap-row { display: flex; align-items: baseline; gap: 10px; }
.ability-zone { font-family: var(--font-han); font-weight: 700; font-size: 17px; color: var(--ink); }
.ability-status { font-family: var(--font-display); font-style: italic; font-size: 13px; color: var(--brass); }
.ability-cue { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; padding: 7px 13px; border-radius: 999px; font-weight: 750; font-size: 13px; color: var(--muted); background: rgba(252, 248, 238, 0.7); border: 1px solid var(--line-strong); opacity: 0.5; transition: opacity .4s ease, background-color .4s ease, color .4s ease; }
.ability-cue.is-on { opacity: 1; color: #fff; border-color: transparent; background: linear-gradient(135deg, #e0a23e, #c9742a); box-shadow: 0 10px 24px rgba(201, 116, 42, 0.28); }
.ability-cue-dot { width: 7px; height: 7px; border-radius: 999px; background: currentColor; }
.ability-cue.is-on .ability-cue-arr { animation: lp-nudge 1.2s ease-in-out infinite; }
@keyframes lp-nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(4px); } }
.lp-hero-stage--ability { gap: 10px; }
.lp-hero-stage-eyebrow { color: var(--muted); font-size: 13px; text-align: center; }
@media (prefers-reduced-motion: reduce) { .ability-cue.is-on .ability-cue-arr { animation: none; } }

/* ---------- 问题区 ---------- */
.lp-problem-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.lp-problem-card { padding: 22px 20px; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(180deg, rgba(217, 136, 44, 0.045), transparent 60%), var(--panel); box-shadow: var(--shadow); }
.lp-problem-card h3 { font-family: var(--font-han); font-weight: 700; font-size: 18px; color: var(--brass-deep); }
.lp-problem-card p { margin-top: 9px; color: var(--muted); font-size: 14px; line-height: 1.62; }

/* ---------- 专业性区（图标 + 文字，留白更足） ---------- */
.lp-pro-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lp-pro-card { display: flex; gap: 16px; align-items: flex-start; padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(180deg, rgba(217, 136, 44, 0.05), transparent 60%), var(--panel); box-shadow: var(--shadow); }
.lp-pro-viz { flex: 0 0 auto; display: grid; place-items: center; width: 58px; height: 58px; border-radius: 16px; color: var(--brass-deep); border: 1px solid color-mix(in srgb, var(--brass) 30%, var(--line)); background: radial-gradient(120% 120% at 30% 22%, color-mix(in srgb, var(--brass) 20%, #fff), color-mix(in srgb, var(--brass) 7%, var(--panel))); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 6px 14px color-mix(in srgb, var(--brass) 16%, transparent); }
.lp-pro-viz svg { width: 36px; height: 28px; }
.lp-pro-text h3 { font-family: var(--font-han); font-weight: 700; font-size: 17px; color: var(--ink); }
.lp-pro-text p { margin-top: 8px; color: var(--muted); font-size: 14px; line-height: 1.68; }

/* ---------- 谁在用（图标 + 人群卡） ---------- */
.lp-aud-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lp-aud-card { display: flex; gap: 14px; align-items: center; padding: 18px 22px; border-radius: var(--radius); border: 1px solid var(--line-strong); background: rgba(252, 248, 238, 0.8); box-shadow: var(--shadow); }
.lp-aud-icon { flex: 0 0 auto; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 999px; color: var(--brass-deep); background: color-mix(in srgb, var(--brass) 12%, #fff); border: 1px solid color-mix(in srgb, var(--brass) 24%, var(--line)); }
.lp-aud-icon svg { width: 23px; height: 23px; }
.lp-aud-text { display: grid; gap: 4px; min-width: 0; }
.lp-aud-who { font-family: var(--font-han); font-weight: 700; font-size: 16px; color: var(--brass-deep); }
.lp-aud-line { color: var(--muted); font-size: 14px; line-height: 1.55; }

/* ---------- 功能区 ---------- */
.lp-feat-group { margin-top: 28px; }
.lp-feat-group:first-child { margin-top: 0; }
.lp-feat-group-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.lp-feat-group-head h3 { font-family: var(--font-han); font-weight: 700; font-size: 20px; }
.lp-feat-group-blurb { color: var(--faint); font-size: 13px; }
.lp-tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.lp-tool-card {
  --accent: var(--brass);
  position: relative; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  padding: 18px 18px; border-radius: var(--radius); overflow: hidden; isolation: isolate;
  border: 1px solid var(--line); color: var(--ink);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 8%, var(--panel)), var(--panel) 65%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 10px 26px rgba(120, 92, 64, 0.1);
  transition: transform .34s cubic-bezier(0.2, 0.7, 0.2, 1), border-color .34s ease, box-shadow .34s ease;
}
.lp-tool-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(120% 80% at 14% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%); }
.lp-tool-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 52%, var(--line)); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset, var(--shadow-lift); }
.lp-medallion { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 15px; color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--line)); background: radial-gradient(120% 120% at 30% 22%, color-mix(in srgb, var(--accent) 22%, #fff), color-mix(in srgb, var(--accent) 8%, var(--panel))); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 6px 14px color-mix(in srgb, var(--accent) 18%, transparent); }
.lp-medallion svg { width: 26px; height: 26px; }
.lp-card-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.lp-card-name { font-family: var(--font-han); font-weight: 700; font-size: 18px; }
.lp-card-tag { color: var(--muted); font-size: 13px; line-height: 1.5; }
.lp-card-arrow { color: var(--accent); font-size: 20px; opacity: 0.55; transition: transform .26s ease, opacity .26s ease; }
.lp-tool-card:hover .lp-card-arrow { transform: translateX(4px); opacity: 1; }
.lp-card-badge { position: absolute; top: 12px; right: 12px; z-index: 1; padding: 3px 9px; border-radius: 999px; font-size: 10.5px; font-weight: 800; letter-spacing: 0.04em; color: var(--brass-deep); background: rgba(217, 136, 44, 0.14); border: 1px solid rgba(217, 136, 44, 0.28); }

/* ---------- 怎么用 / 步骤 ---------- */
.lp-steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; list-style: none; padding: 0; counter-reset: none; }
.lp-step { --accent: var(--brass); position: relative; padding: 26px 22px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow); }
.lp-step-num { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; margin-bottom: 14px; font-family: var(--font-display); font-size: 20px; font-weight: 500; color: #fff; background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 78%, #e0a23e), var(--accent)); box-shadow: 0 8px 18px color-mix(in srgb, var(--accent) 26%, transparent); }
.lp-step h3 { font-family: var(--font-han); font-weight: 700; font-size: 18px; }
.lp-step p { margin-top: 8px; color: var(--muted); font-size: 14.5px; line-height: 1.6; }

/* ---------- 温暖/艺术 ---------- */
.lp-craft { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(24px, 4vw, 56px); align-items: center; }
.lp-craft-copy { display: grid; gap: 14px; }
.lp-craft-body { color: var(--ink-soft); font-size: 16px; line-height: 1.78; }
.lp-craft-visual { position: relative; height: clamp(220px, 28vw, 320px); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-lift); }
.lp-craft-day { position: absolute; inset: 0; background: linear-gradient(135deg, #fdf3df, #f3d7ac 60%, #e7b977); }
.lp-craft-stage { position: absolute; inset: 0; clip-path: polygon(100% 0, 100% 100%, 32% 100%); background: radial-gradient(120% 90% at 80% 0%, #241c10, var(--stage-base) 55%, var(--stage-deep)); box-shadow: -1px 0 0 rgba(232, 180, 105, 0.3); }
.lp-craft-stage::after { content: ""; position: absolute; right: 16%; top: 50%; width: 46%; height: 3px; transform: translateY(-50%); border-radius: 999px; background: linear-gradient(90deg, transparent, var(--stage-brass-glow), transparent); box-shadow: 0 0 16px rgba(232, 180, 105, 0.6); }

/* ---------- 写给谁 / chips ---------- */
.lp-chips { display: flex; flex-wrap: wrap; gap: 12px; list-style: none; padding: 0; }
.lp-chips li { padding: 11px 20px; border-radius: 999px; border: 1px solid var(--line-strong); background: rgba(252, 248, 238, 0.8); font-family: var(--font-han); font-weight: 700; font-size: 16px; color: var(--ink-soft); box-shadow: var(--shadow); }

/* ---------- 平台 / 下载卡 ---------- */
.lp-plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.lp-plat-card { display: grid; gap: 8px; justify-items: start; padding: 26px 24px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow); }
.lp-plat-card.is-ready { border-color: rgba(217, 136, 44, 0.4); background: linear-gradient(180deg, rgba(217, 136, 44, 0.07), transparent 60%), var(--panel); }
.lp-plat-label { font-family: var(--font-han); font-weight: 700; font-size: 20px; }
.lp-plat-note { color: var(--muted); font-size: 14px; }
.lp-plat-card .lp-btn { margin-top: 8px; }
.lp-plat-soon { padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--faint); background: rgba(236, 227, 210, 0.6); }

/* 下载页：紧凑下载行（窄、省空间；桌面 3 列、手机 1 列堆叠的短行） */
.lp-dl-section { padding-top: clamp(16px, 2.5vw, 28px); }
.lp-dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.lp-dl-card { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow); }
.lp-dl-card.is-ready { border-color: rgba(217, 136, 44, 0.4); background: linear-gradient(180deg, rgba(217, 136, 44, 0.07), transparent 60%), var(--panel); }
.lp-dl-main { display: grid; gap: 2px; min-width: 0; }
.lp-dl-label { font-family: var(--font-han); font-weight: 700; font-size: 16px; }
.lp-dl-note { color: var(--muted); font-size: 12.5px; line-height: 1.4; }
.lp-dl-card .lp-btn { flex: 0 0 auto; min-height: 36px; padding: 0 14px; font-size: 13px; }
.lp-dl-card .lp-plat-soon { flex: 0 0 auto; padding: 6px 12px; font-size: 12px; white-space: nowrap; }

/* ---------- FAQ ---------- */
.lp-faq-list { display: grid; gap: 12px; max-width: 800px; }
.lp-faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); overflow: hidden; }
.lp-faq-item summary { list-style: none; cursor: pointer; padding: 20px 22px; font-family: var(--font-han); font-weight: 700; font-size: 17px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.lp-faq-item summary::-webkit-details-marker { display: none; }
.lp-faq-item summary::after { content: "+"; color: var(--brass); font-size: 22px; font-weight: 400; transition: transform .25s ease; }
.lp-faq-item[open] summary::after { transform: rotate(45deg); }
.lp-faq-item p { padding: 0 22px 20px; color: var(--muted); font-size: 15px; line-height: 1.7; }

/* ---------- CTA band ---------- */
.lp-cta-band { display: grid; justify-items: center; gap: 18px; text-align: center; margin: clamp(24px, 4vw, 48px) 0; padding: clamp(32px, 5vw, 56px) clamp(20px, 4vw, 44px); border-radius: var(--radius-lg); border: 1px solid rgba(217, 136, 44, 0.28); background: linear-gradient(135deg, rgba(233, 173, 84, 0.16), rgba(214, 119, 91, 0.1)), var(--panel); box-shadow: var(--shadow-lift); }
.lp-cta-band h2 { font-family: var(--font-display); font-weight: 480; font-size: clamp(26px, 4vw, 42px); color: var(--ink); }

/* ---------- 次级页 hero ---------- */
.lp-page-hero { display: grid; gap: 12px; max-width: 760px; padding: clamp(28px, 4.5vw, 52px) 0 clamp(4px, 1.5vw, 12px); }
.lp-page-hero h1 { font-family: var(--font-display); font-weight: 480; font-size: clamp(32px, 4.6vw, 54px); line-height: 1.08; letter-spacing: -0.015em; }
.lp-page-hero p { color: var(--ink-soft); font-size: 17px; line-height: 1.7; max-width: 36em; }

/* ---------- 详情页（左右分栏：标题 ~38% / 动效 ~62%） ---------- */
.lp-detail-hero { --accent: var(--brass); display: grid; grid-template-columns: minmax(0, 45fr) minmax(0, 55fr); gap: clamp(20px, 4vw, 48px); align-items: center; padding: clamp(26px, 5vw, 52px) 0 clamp(20px, 3vw, 32px); }
.lp-detail-copy { display: grid; justify-items: start; gap: 12px; align-content: center; }
.lp-detail-motif { align-self: stretch; }
.lp-crumb { color: var(--muted); font-size: 13px; font-weight: 650; }
.lp-crumb a { color: var(--brass-deep); }
.lp-crumb span { margin: 0 6px; color: var(--faint); }
.lp-medallion--lg { width: 72px; height: 72px; border-radius: 20px; }
.lp-medallion--lg svg { width: 38px; height: 38px; }
.lp-detail-hero h1 { font-family: var(--font-display); font-weight: 480; font-size: clamp(34px, 5vw, 58px); line-height: 1.06; }
.lp-detail-tag { color: var(--accent); font-family: var(--font-han); font-weight: 700; font-size: clamp(17px, 2vw, 21px); }
.lp-detail-one { color: var(--ink-soft); font-size: 17px; line-height: 1.72; max-width: 34em; }
.lp-detail-block, .lp-detail-aud { display: grid; gap: 12px; }
.lp-detail-prose { color: var(--ink-soft); font-size: 16.5px; line-height: 1.8; max-width: 42em; }
.lp-detail-how .lp-steps-row { grid-template-columns: repeat(3, 1fr); }
.lp-detail-how .lp-step { display: grid; gap: 6px; }

/* ---------- PWA / notify ---------- */
.lp-pwa { display: grid; gap: 8px; }
.lp-pwa p { color: var(--muted); font-size: 16px; line-height: 1.74; max-width: 42em; margin-top: 6px; }
.lp-notify { display: grid; gap: 12px; max-width: 560px; }
.lp-hp { position: absolute !important; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }
.lp-notify-intro { color: var(--muted); font-size: 15px; line-height: 1.6; }
.lp-notify-form { display: grid; gap: 12px; }
.lp-notify-tabs { display: inline-flex; gap: 4px; width: max-content; padding: 4px; border: 1px solid var(--line-strong); border-radius: 999px; background: rgba(252, 248, 238, 0.7); }
.lp-notify-tab { min-height: 34px; padding: 0 18px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-weight: 750; font-size: 14px; cursor: pointer; transition: background-color .2s, color .2s; }
.lp-notify-tab.is-on { color: #fff; background: linear-gradient(135deg, #e0a23e, #c9742a); }
.lp-notify-row { display: flex; gap: 10px; align-items: stretch; }
.lp-notify-field { flex: 1; display: flex; gap: 8px; min-width: 0; }
.lp-notify-field[hidden] { display: none; }
.lp-notify-form input, .lp-notify-form select { min-height: 48px; border: 1px solid var(--line-strong); border-radius: 14px; padding: 0 15px; background: rgba(255, 249, 236, 0.9); color: var(--ink); font: 600 15px/1.2 var(--font-sans); outline: none; }
.lp-notify-field input { flex: 1; min-width: 0; }
.lp-notify-field--phone select { flex: 0 0 auto; max-width: 46%; }
.lp-notify-form input:focus, .lp-notify-form select:focus { border-color: var(--brass); box-shadow: 0 0 0 3px rgba(217, 136, 44, 0.18); }
.lp-notify-form .is-error { border-color: var(--brass-deep); box-shadow: 0 0 0 3px rgba(177, 84, 47, 0.16); }
.lp-notify-row .lp-btn { flex: 0 0 auto; }
.lp-notify-hint, .lp-notify-done { color: var(--muted); font-size: 13px; }
.lp-notify-hint.is-error { color: var(--brass-deep); }
.lp-notify-done { color: var(--green); font-weight: 700; font-size: 15px; }

/* ---------- 页脚 ---------- */
.lp-foot { position: relative; z-index: 1; border-top: 1px solid var(--line); background: rgba(250, 244, 232, 0.7); }
.lp-foot-grid { width: min(var(--maxw), 100%); margin: 0 auto; padding: clamp(40px, 5vw, 64px) clamp(16px, 4vw, 40px) 28px; display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 28px; }
.lp-foot-brand { display: grid; gap: 12px; align-content: start; }
.lp-foot-brand p { color: var(--muted); font-size: 14px; line-height: 1.6; max-width: 22em; }
.lp-foot-col { display: grid; gap: 10px; align-content: start; }
.lp-foot-col h4 { font-family: var(--font-han); font-weight: 700; font-size: 14px; color: var(--ink); }
.lp-foot-col a { color: var(--muted); font-size: 14px; transition: color .2s; }
.lp-foot-col a:hover { color: var(--brass-deep); }
.lp-foot-base { width: min(var(--maxw), 100%); margin: 0 auto; padding: 18px clamp(16px, 4vw, 40px); border-top: 1px solid var(--line); color: var(--faint); font-size: 12.5px; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.lp-foot-base a { color: inherit; text-decoration: none; transition: color .2s; }
.lp-foot-base a:hover { color: var(--brass-deep); }

/* ---------- 进场动画 ---------- */
.js-anim .reveal { opacity: 0; transform: translateY(22px); will-change: transform, opacity; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-anim .reveal { opacity: 1; transform: none; }
  .lp-stage-livedot { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 940px) {
  .lp-hero { grid-template-columns: 1fr; }
  /* 单列布局下雷达会被压扁、不好看 —— 直接隐藏，仅桌面双栏展示 */
  .lp-hero-stage--ability { display: none; }
  .lp-craft { grid-template-columns: 1fr; }
  .lp-foot-grid { grid-template-columns: 1fr 1fr; }
  .lp-problem-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-detail-hero { grid-template-columns: 1fr; }
  .lp-detail-motif { order: -1; width: 100%; max-width: 520px; margin: 0 auto; }
}
@media (max-width: 760px) {
  .lp-nav { display: none; }
  .lp-top { grid-template-columns: auto 1fr; }
  .lp-problem-grid, .lp-steps-row, .lp-plat-grid, .lp-dl-grid, .lp-detail-how .lp-steps-row, .lp-pro-grid, .lp-aud-grid { grid-template-columns: 1fr; }
  .lp-tool-grid { grid-template-columns: 1fr; }
  .lp-brand-sub { display: none; }
  .lp-hero { padding-top: clamp(18px, 5vw, 32px); }
  .lp-hero-title--brand { font-size: clamp(52px, 16vw, 72px); }
}
@media (max-width: 480px) {
  .lp-foot-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .lp-foot-brand { grid-column: 1 / -1; }
  .lp-notify-row { flex-direction: column; }
  .lp-notify-row .lp-btn { width: 100%; }
  /* 顶栏精简：登录入口在 Hero CTA 已有，这里只留语言 + 进入练声 */
  .lp-top { padding: 12px 14px; }
  .lp-top-actions { gap: 8px; }
  .lp-top-actions .lp-btn--ghost { display: none; }
  .lp-lang { width: 34px; height: 34px; }
  .lp-btn { padding: 0 16px; }
}