/* ============================================================
   跳舞兰 AI 花店 官方网站 - 主样式表
   设计基调：深绿松石底 + LOGO 三色花瓣（橙/红/蓝）
   配色取自 LOGO 原文件（1920×1920，HSV 区域提取）
   ============================================================ */

:root {
  /* —— LOGO 深绿背景阶梯 —— */
  --bg:        #001A14;   /* 比 LOGO 还深的墨绿，做页面大背景（提升对比） */
  --bg-2:      #002C25;   /* = 新LOGO 实际背景色（采样：右下 #002C25 / 中下 #013026） */
  --bg-3:      #0A4A3D;   /* 卡片背景，深绿亮一档 */
  --bg-4:      #134E45;   /* 悬浮/激活态 */

  /* —— LOGO 三色花瓣，按角色分工 —— */
  --brand:     #F08800;   /* 橙花瓣：主 CTA、强调、链接、关键数字 */
  --brand-2:   #FFB060;   /* 橙色提亮：hover / 渐变高端 */
  --brand-3:   #C56A00;   /* 橙色压暗：边框、阴影 */
  --accent:    #E82010;   /* 红花瓣：促销、节日、上新、警示点 */
  --accent-2:  #FF5A3A;   /* 红色提亮 */
  --info:      #0068A0;   /* 蓝花瓣：信息、链接、辅助 CTA */
  --info-2:    #0084C0;   /* 蓝色提亮 */
  --cyan:      #14B8A6;   /* 青色辅色（蓝绿过渡，呼应 LOGO 背景） */

  /* —— 中性 —— */
  --text:      #F8FBFA;   /* 主文字：接近新LOGO纯白（#FCFCFC）护眼版 */
  --muted:     #B8C9C5;   /* 次级文字 */
  --muted-2:   #6B8882;   /* 弱化文字 */
  --border:    rgba(240, 132, 0, 0.18);  /* 默认边框：橙色调 */
  --border-2:  rgba(255, 255, 255, 0.10); /* 浅边框 */
  --surface:   rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);

  /* —— 功能色 —— */
  --success:   #10B981;
  --warning:   #F59E0B;
  --danger:    #EF4444;

  /* —— 圆角 / 间距 / 字号 —— */
  --radius:    14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --maxw:      1240px;
  --nav-h:     100px;   /* 加大以让 1920×1920 LOGO 原图在 navbar 完整显示（含"跳舞兰"三字） */
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }

::selection { background: rgba(240, 132, 0, 0.32); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(240, 132, 0, 0.28); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(240, 132, 0, 0.5); }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 880px; }

.section { padding: 24px 0; position: relative; }                 /* 50% 再压缩：48→24（何总 06:57 确认有效后继续压 50%），相邻 section 间距 96→48 */
.section--tight { padding: 28px 0; }                           /* 紧：56→28 */
.section--compact { padding: 20px 0; }                         /* 最紧：48→20，用于 FAQ 折叠 / CTA / chip 区 */
.section--loose { padding: 48px 0; }                           /* 96→48，偶尔需要"呼吸感"的章节 */
.section--alt { background: linear-gradient(180deg, transparent, rgba(240, 132, 0, 0.04), transparent); }

.grid { display: grid; gap: 16px; }   /* 紧凑：24→16（-8） */
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

/* ---------- 背景光效（LOGO 三色） ---------- */
.glow {
  position: absolute; border-radius: 50%; filter: blur(90px);
  pointer-events: none; z-index: 0; opacity: 0.45;
}
.glow--orange { background: rgba(240, 132, 0, 0.20); width: 520px; height: 520px; }
.glow--red    { background: rgba(228, 36, 12, 0.18); width: 480px; height: 480px; }
.glow--blue   { background: rgba(0, 108, 168, 0.20); width: 460px; height: 460px; }
.glow--teal   { background: rgba(10, 74, 61, 0.55); width: 600px; height: 600px; }

.grid-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image: linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 35%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 35%, #000 40%, transparent 100%);
}

/* ---------- 排版 ---------- */
h1, h2, h3, h4, h5 { line-height: 1.32; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.06rem; }
p { color: var(--muted); }

.lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--muted); line-height: 1.85; }

.gradient-text {
  background: linear-gradient(100deg, var(--brand-2) 0%, var(--brand) 42%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---------- 章节头 ---------- */
.section-head { max-width: 780px; margin: 0 auto 18px; text-align: center; position: relative; z-index: 1; }   /* 紧凑：32→18（-14） */
.section-head--left { text-align: left; margin-left: 0; }
.section-head h2 { margin-bottom: 18px; }
.section-head p { font-size: 1.05rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 18px;
  padding: 6px 14px; border: 1px solid rgba(240, 132, 0, 0.3); border-radius: 999px;
  background: rgba(240, 132, 0, 0.07);
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
  box-shadow: 0 0 10px var(--brand);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 30px; border-radius: 999px; font-weight: 600; font-size: 1rem;
  transition: all 0.3s var(--ease); white-space: nowrap; position: relative; overflow: hidden;
}
.btn--primary {
  background: linear-gradient(100deg, var(--brand) 0%, #FF8A00 100%);
  color: #1A1206; box-shadow: 0 8px 30px rgba(240, 132, 0, 0.3);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 44px rgba(240, 132, 0, 0.46); }
.btn--secondary {
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border-2);
  backdrop-filter: blur(10px);
}
.btn--secondary:hover { background: rgba(255, 255, 255, 0.11); border-color: rgba(240, 132, 0, 0.42); transform: translateY(-2px); }
.btn--ghost { color: var(--muted); padding: 12px 20px; }
.btn--ghost:hover { color: var(--brand); }
.btn--sm { padding: 11px 22px; font-size: 0.92rem; }
.btn--block { width: 100%; }
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- 顶部导航 ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-h);
  transition: all 0.35s var(--ease); border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(6, 9, 16, 0.82); backdrop-filter: blur(20px) saturate(160%);
  border-bottom-color: var(--border); height: 64px;
}
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }

.logo { display: flex; align-items: center; flex-shrink: 0; gap: 14px; }
.logo__mark {
  width: 64px; height: 64px; flex-shrink: 0; display: block;
  object-fit: contain; border-radius: 6px;
}
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__cn {
  font-size: 1.32rem; font-weight: 700; color: var(--text);
  letter-spacing: 0.02em; white-space: nowrap;
}
.logo__en {
  font-size: 0.66rem; font-weight: 600; color: var(--brand);
  letter-spacing: 0.18em; margin-top: 4px; text-transform: uppercase;
  white-space: nowrap;
}
/* LOGO 文字太小或图比例失调时，整组下沉缩放，避免 navbar 变形 */
@media (max-width: 1100px) {
  .logo__cn { font-size: 1.16rem; }
  .logo__en { font-size: 0.58rem; letter-spacing: 0.14em; }
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  padding: 9px 15px; border-radius: 10px; font-size: 0.94rem; font-weight: 500;
  color: var(--muted); transition: all 0.25s var(--ease); position: relative; white-space: nowrap;
}
.nav__link:hover { color: var(--text); background: var(--surface); }
.nav__link.active { color: var(--brand); }
.nav__link.active::after {
  content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 18px; height: 2px; border-radius: 2px; background: var(--brand);
}

.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-8px);
  min-width: 216px; background: rgba(14, 22, 38, 0.97); backdrop-filter: blur(20px);
  border: 1px solid var(--border-2); border-radius: var(--radius); padding: 10px;
  opacity: 0; visibility: hidden; transition: all 0.25s var(--ease); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a { display: block; padding: 10px 14px; border-radius: 9px; font-size: 0.92rem; color: var(--muted); transition: all 0.2s; }
.dropdown a:hover { background: var(--surface-2); color: var(--brand); }
.dropdown a small { display: block; font-size: 0.76rem; color: var(--muted-2); margin-top: 1px; }

.header__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.burger { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border-2); position: relative; }
.burger span { position: absolute; left: 12px; width: 18px; height: 1.6px; background: var(--text); border-radius: 2px; transition: all 0.3s var(--ease); }
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 25px; }
.burger.active span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: var(--nav-h) 0 0; background: rgba(6, 9, 16, 0.985); z-index: 999;
  padding: 24px; overflow-y: auto; transform: translateX(100%); transition: transform 0.35s var(--ease);
  display: none;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a { display: block; padding: 15px 4px; font-size: 1.08rem; font-weight: 500; border-bottom: 1px solid var(--border); color: var(--text); }
.mobile-nav a span { display: block; font-size: 0.8rem; color: var(--muted-2); font-weight: 400; margin-top: 2px; }
.mobile-nav .btn { margin-top: 24px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--nav-h) + 8px) 0 0; overflow: hidden; }   /* 极致紧凑：底部 16→0（-16），hero 直接贴齐下一段，间距全交下一段 padding-top */
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr 1fr; gap: 32px; align-items: start; }   /* 50% 再压：gap 48→32（-16）；align-items: start 保持（关键） */
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px 7px 8px;
  border: 1px solid var(--border-2); border-radius: 999px; background: var(--surface);
  font-size: 0.85rem; color: var(--muted); margin-bottom: 28px;
}
.hero__badge b { color: var(--brand-2); font-weight: 600; }
.hero__badge i {
  font-style: normal; background: linear-gradient(100deg, var(--brand), var(--accent)); color: #0A0A0A;
  padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 700;
}
.hero h1 { margin: 14px 0 16px; letter-spacing: -0.025em; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.18; }   /* 紧贴 badge：原 margin-bottom 24px 改 16px（-8） */
.hero__sub { font-size: 1.04rem; color: var(--muted); margin-bottom: 22px; max-width: 560px; line-height: 1.7; }   /* hero 紧凑：1.14→1.04（-10%）、mb 36→22（-14） */
.hero__stats { display: flex; gap: 32px; margin-top: 24px; flex-wrap: wrap; }   /* 紧凑：gap 40→32（-8），mt 48→24（-24） */
.hero__stat b { display: block; font-size: 1.9rem; font-weight: 700; color: var(--brand); line-height: 1.2; }
.hero__stat span { font-size: 0.87rem; color: var(--muted-2); }

/* ---------- 智能体体验窗 ---------- */
.agent-demo {
  background: linear-gradient(160deg, rgba(20, 30, 52, 0.94), rgba(10, 16, 28, 0.94));
  border: 1px solid var(--border-2); border-radius: var(--radius-xl);
  padding: 18px; box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55); position: relative; overflow: hidden;   /* 紧凑：26→18（-8） */
}
.agent-demo::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), var(--accent), transparent);
}
.agent-demo__head { display: flex; align-items: center; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }   /* 紧凑：pb 18→12（-6）、mb 20→12（-8） */
.agent-demo__avatar {
  width: 44px; height: 44px; border-radius: 8px; flex-shrink: 0;
  display: block; object-fit: contain; object-position: center;
  /* LOGO 直接引用 logo-source.jpg 原图，不裁切、不变形、不改色；自带完整底色故无 background */
}
.agent-demo__title { font-weight: 600; font-size: 1rem; }
.agent-demo__status { font-size: 0.78rem; color: var(--muted-2); display: flex; align-items: center; gap: 6px; }
.dot-live { width: 7px; height: 7px; border-radius: 50%; background: #34D399; box-shadow: 0 0 8px #34D399; }

.agent-demo__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border-2);
  background: var(--surface); font-size: 0.82rem; color: var(--muted); transition: all 0.22s var(--ease);
}
.chip:hover, .chip.active { border-color: var(--brand); color: var(--brand); background: rgba(240, 132, 0, 0.1); }

.agent-demo__input { display: flex; gap: 10px; margin-bottom: 18px; }
.agent-demo__input input {
  flex: 1; padding: 14px 18px; border-radius: 14px; background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-2); color: var(--text); font-size: 0.95rem; font-family: inherit; outline: none;
  transition: border-color 0.25s;
}
.agent-demo__input input::placeholder { color: var(--muted-2); }
.agent-demo__input input:focus { border-color: var(--brand); }
.agent-demo__send {
  padding: 0 22px; border-radius: 14px; background: linear-gradient(100deg, var(--brand), #FF8A00);
  color: #1A1206; font-weight: 600; font-size: 0.95rem; transition: all 0.25s var(--ease); white-space: nowrap;
}
.agent-demo__send:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(240, 132, 0, 0.4); }
.agent-demo__send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.agent-demo__out { min-height: 140px; }                              /* 紧凑：原 190px，节省 50px，让 hero 区域不再被右列撑高 */
.agent-demo__placeholder { color: var(--muted-2); font-size: 0.9rem; padding: 20px 0; text-align: center; }
.agent-demo__placeholder svg { margin: 0 auto 12px; opacity: 0.4; }

.typing { display: flex; gap: 5px; padding: 8px 0; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); animation: blink 1.3s infinite; }
.typing i:nth-child(2) { animation-delay: 0.2s; }
.typing i:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 60%, 100% { opacity: 0.25; } 30% { opacity: 1; } }

.plan {
  background: rgba(0, 0, 0, 0.3); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; animation: fadeUp 0.45s var(--ease);
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.plan__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.plan__name { font-weight: 600; font-size: 1.02rem; }
.plan__price { color: var(--brand); font-weight: 700; font-size: 1.02rem; white-space: nowrap; }
.plan__rows { display: grid; gap: 9px; }
.plan__row { display: flex; gap: 12px; font-size: 0.87rem; }
.plan__row dt { color: var(--muted-2); min-width: 52px; flex-shrink: 0; }
.plan__row dd { color: var(--text); }
.plan__swatch { display: flex; gap: 6px; margin-top: 4px; }
.plan__swatch i { width: 18px; height: 18px; border-radius: 5px; display: block; }
.plan__note { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); font-size: 0.78rem; color: var(--muted-2); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px; transition: all 0.35s var(--ease); position: relative; overflow: hidden; height: 100%;   /* 紧凑：30→20（-10） */
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius-lg); pointer-events: none;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), rgba(240, 132, 0, 0.09), transparent 42%);
  opacity: 0; transition: opacity 0.35s;
}
.card:hover { transform: translateY(-5px); border-color: var(--border-2); background: var(--surface-2); }
.card:hover::after { opacity: 1; }
.card__icon {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(240, 132, 0, 0.18), rgba(0, 108, 168, 0.18));
  border: 1px solid var(--border-2);
}
.card h3 { margin-bottom: 10px; font-size: 1.16rem; }
.card p { font-size: 0.95rem; }
.card__meta { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 0.86rem; color: var(--brand); font-weight: 500; }

.card--flat { background: rgba(255, 255, 255, 0.02); }
.card--accent { border-color: rgba(240, 132, 0, 0.28); background: linear-gradient(160deg, rgba(240, 132, 0, 0.07), rgba(240, 132, 0, 0.01)); }

/* 编号卡片 */
.steps { counter-reset: s; }
.step { position: relative; padding-left: 62px; padding-bottom: 34px; }
.step:last-child { padding-bottom: 0; }
.step::before {
  counter-increment: s; content: counter(s); position: absolute; left: 0; top: 0;
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--accent)); color: #0A0A0A;
  font-weight: 700; font-size: 1.05rem;
}
.step::after {
  content: ""; position: absolute; left: 20px; top: 50px; bottom: 0; width: 1px;
  background: linear-gradient(180deg, var(--border-2), transparent);
}
.step:last-child::after { display: none; }
.step h3 { margin-bottom: 8px; }
.step p { font-size: 0.95rem; }

/* ---------- 数据 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat {
  text-align: center; padding: 32px 20px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
}
.stat b { display: block; font-size: clamp(1.9rem, 3.4vw, 2.7rem); font-weight: 700; color: var(--brand); line-height: 1.15; }
.stat b small { font-size: 0.5em; margin-left: 2px; }
.stat span { font-size: 0.9rem; color: var(--muted); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
thead { background: rgba(255, 255, 255, 0.045); }
th { padding: 17px 22px; text-align: left; font-weight: 600; font-size: 0.92rem; color: var(--brand-2); white-space: nowrap; }
td { padding: 17px 22px; border-top: 1px solid var(--border); font-size: 0.93rem; color: var(--muted); vertical-align: top; }
td strong { color: var(--text); font-weight: 600; }
tbody tr:hover { background: rgba(255, 255, 255, 0.022); }

/* ---------- GEO 组件：TL;DR / 定义 / FAQ ---------- */
/* TL;DR 主样式见 line 602（GEO 强化版），早期简化版已删除避免冲突 */

.def {
  border-left: 3px solid var(--brand); background: var(--surface); padding: 20px 26px;
  border-radius: 0 var(--radius) var(--radius) 0; margin: 28px 0;
}
.def strong { color: var(--brand-2); }

.faq { max-width: 860px; margin: 0 auto; }
.faq__item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; background: var(--surface); overflow: hidden; }
.faq__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 20px 26px; text-align: left; font-size: 1.02rem; font-weight: 600; color: var(--text);
  transition: color 0.25s;
}
.faq__q:hover { color: var(--brand); }
.faq__icon { width: 22px; height: 22px; flex-shrink: 0; position: relative; }
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; background: currentColor; border-radius: 2px; transition: transform 0.3s var(--ease);
}
.faq__icon::before { top: 10px; left: 2px; width: 18px; height: 1.8px; }
.faq__icon::after { left: 10px; top: 2px; width: 1.8px; height: 18px; }
.faq__item.open .faq__icon::after { transform: scaleY(0); }
.faq__item.open .faq__q { color: var(--brand); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq__a-inner { padding: 0 26px 22px; font-size: 0.96rem; color: var(--muted); line-height: 1.85; }
.faq__a-inner p + p { margin-top: 12px; }
.faq__a-inner ul { margin-top: 12px; display: grid; gap: 8px; }
.faq__a-inner li { padding-left: 20px; position: relative; }
.faq__a-inner li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; padding-left: 36px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(180deg, var(--brand), var(--accent), transparent); }
.timeline__item { position: relative; padding-bottom: 38px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: ""; position: absolute; left: -36px; top: 7px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--brand);
}
.timeline__date { font-size: 0.82rem; color: var(--brand); font-weight: 600; letter-spacing: 0.04em; margin-bottom: 6px; }
.timeline__item h3 { font-size: 1.08rem; margin-bottom: 8px; }
.timeline__item p { font-size: 0.93rem; }

/* ---------- 案例 / 门店 ---------- */
.shop-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: all 0.35s var(--ease);
}
.shop-card:hover { transform: translateY(-5px); border-color: rgba(240, 132, 0, 0.35); }
.shop-card__thumb { height: 150px; position: relative; overflow: hidden; }
.shop-card__body { padding: 22px; }
.shop-card__name { font-weight: 600; font-size: 1.06rem; margin-bottom: 6px; }
.shop-card__loc { font-size: 0.85rem; color: var(--muted-2); display: flex; align-items: center; gap: 6px; }
.shop-card__desc { margin-top: 14px; font-size: 0.9rem; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.tag { padding: 4px 11px; border-radius: 6px; background: rgba(240, 132, 0, 0.11); color: var(--brand-2); font-size: 0.76rem; font-weight: 500; }
.tag--ai { background: rgba(0, 108, 168, 0.14); color: var(--accent-2); }

/* ---------- 表单 ---------- */
.form { background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--radius-lg); padding: 34px; }
.form__row { display: grid; gap: 18px; margin-bottom: 18px; }
.form__row--2 { grid-template-columns: 1fr 1fr; }
.field label { display: block; font-size: 0.88rem; color: var(--muted); margin-bottom: 8px; font-weight: 500; }
.field label i { color: #F87171; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: 11px; background: rgba(0, 0, 0, 0.32);
  border: 1px solid var(--border-2); color: var(--text); font-size: 0.95rem; font-family: inherit;
  outline: none; transition: border-color 0.25s, box-shadow 0.25s;
}
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(240, 132, 0, 0.12); }
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field__err { font-size: 0.8rem; color: #F87171; margin-top: 6px; display: none; }
.field.invalid input, .field.invalid select { border-color: #F87171; }
.field.invalid .field__err { display: block; }

.form__note { font-size: 0.8rem; color: var(--muted-2); margin-top: 14px; line-height: 1.7; }
.form__ok {
  display: none; text-align: center; padding: 40px 20px;
}
.form__ok.show { display: block; animation: fadeUp 0.5s var(--ease); }
.form__ok svg { margin: 0 auto 18px; }
.form__ok h3 { margin-bottom: 10px; }

.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 0.86rem; color: var(--muted); cursor: pointer; }
.checkbox input { width: 17px; height: 17px; margin-top: 3px; accent-color: var(--brand); flex-shrink: 0; cursor: pointer; }
.checkbox a { color: var(--brand); text-decoration: underline; }

/* ---------- CTA 区 ---------- */
.cta-band {
  position: relative; overflow: hidden; border-radius: var(--radius-xl); padding: 68px 48px; text-align: center;
  background: linear-gradient(135deg, rgba(240, 132, 0, 0.13), rgba(0, 108, 168, 0.15));
  border: 1px solid var(--border-2);
}
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { max-width: 620px; margin: 0 auto 34px; font-size: 1.05rem; }
.cta-band .btn-group { justify-content: center; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--border); padding: 76px 0 32px; background: var(--bg-2); margin-top: 40px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 44px; padding-bottom: 52px; }
.footer__brand p { font-size: 0.9rem; margin-top: 18px; max-width: 300px; }
.footer__social { display: flex; gap: 10px; margin-top: 22px; }
.footer__social a {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border-2);
  display: grid; place-items: center; color: var(--muted); transition: all 0.25s;
}
.footer__social a:hover { color: var(--brand); border-color: var(--brand); background: rgba(240, 132, 0, 0.08); }
.footer h4 { font-size: 0.9rem; margin-bottom: 18px; color: var(--text); }
.footer__col a { display: block; font-size: 0.88rem; color: var(--muted); padding: 6px 0; transition: color 0.22s; }
.footer__col a:hover { color: var(--brand); }
.footer__bottom {
  border-top: 1px solid var(--border); padding-top: 26px; display: flex;
  justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 0.83rem; color: var(--muted-2);
}
.footer__bottom a { color: var(--muted-2); }
.footer__bottom a:hover { color: var(--brand); }
.footer__legal { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- 面包屑 ---------- */
.breadcrumb { padding: calc(var(--nav-h) + 32px) 0 0; font-size: 0.86rem; color: var(--muted-2); position: relative; z-index: 1; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span { margin: 0 9px; opacity: 0.5; }

/* ---------- 页头 ---------- */
.page-head { padding: calc(var(--nav-h) + 64px) 0 20px; position: relative; overflow: hidden; }
.page-head h1 { margin-bottom: 18px; max-width: 860px; }
.page-head .lead { max-width: 720px; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(14, 22, 38, 0.9); border: 1px solid var(--border-2); color: var(--text);
  display: grid; place-items: center; z-index: 900; opacity: 0; visibility: hidden;
  transition: all 0.3s var(--ease); backdrop-filter: blur(10px);
}
.to-top.show { opacity: 1; visibility: visible; }
.to-top:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-3px); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; gap: 36px; }
  .footer__brand { grid-column: 1 / -1; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  .nav, .header__actions .btn { display: none; }
  .burger { display: block; }
  .mobile-nav { display: block; }
  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding-top: calc(var(--nav-h) + 56px); }
  .grid-2, .grid-3, .grid-6 { grid-template-columns: 1fr; }
  .section { padding: 76px 0; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .container { padding: 0 18px; }
  .grid-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { padding: 22px 12px; }
  .hero__stats { gap: 26px; }
  .cta-band { padding: 44px 24px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .form__row--2 { grid-template-columns: 1fr; }
  .form { padding: 24px; }
  .section { padding: 60px 0; }
  .tldr { padding: 20px; }
  .card { padding: 24px; }
}

/* ---------- 无障碍：跳转链接 ---------- */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 9999; background: var(--brand); color: #001A14; padding: 12px 20px; border-radius: 0 0 var(--radius) 0; font-weight: 500; }
.skip-link:focus { left: 0; }

/* ---------- 页脚补充 ---------- */
.footer__grid { grid-template-columns: 1.6fr repeat(3, 1fr); }
.footer__slogan { font-size: 0.95rem; color: var(--text); font-weight: 500; max-width: 320px; }
.footer__desc { font-size: 0.85rem; color: var(--muted-2); line-height: 1.75; max-width: 380px; }
.footer__price { font-size: 0.82rem; color: var(--muted); line-height: 1.8; padding: 12px 14px; border-left: 2px solid var(--brand); background: rgba(240, 132, 0, 0.05); border-radius: 0 var(--radius) var(--radius) 0; margin-top: 16px; max-width: 380px; }
.footer__price small { color: var(--muted-2); font-size: 0.75rem; }
.footer__note { font-size: 0.75rem; color: var(--muted-2); line-height: 1.7; max-width: 900px; margin-left: auto; margin-right: auto; padding-top: 8px; }

/* ---------- TL;DR 事实块（GEO 核心：机器可直接引用） ---------- */
.tldr { border: 1px solid var(--border-2); border-left: 3px solid var(--brand); border-radius: var(--radius-lg); padding: 16px 20px; background: var(--surface); margin-bottom: 0; }   /* 紧凑：padding 24/28→16/20（-8-8），margin-bottom 0 */
.tldr h2 { font-size: 1.05rem; margin-bottom: 12px; color: var(--brand); }
.tldr p { margin-bottom: 14px; }
.tldr dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); }   /* 紧凑：gap 14→10、mt 16→12、pt 16→12 */
.tldr dt { font-size: 0.8rem; color: var(--muted-2); margin-bottom: 3px; }
.tldr dd { font-size: 0.95rem; color: var(--text); }

/* ---------- 数据条 ---------- */
.stat-band { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: linear-gradient(180deg, rgba(240, 132, 0, 0.05), transparent); }
.stat-band__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-band b { display: block; font-size: 2.4rem; font-weight: 700; color: var(--brand); line-height: 1.1; letter-spacing: -0.02em; }
.stat-band span { font-size: 0.88rem; color: var(--muted); }
.stat-band small { display: block; font-size: 0.74rem; color: var(--muted-2); margin-top: 4px; }

/* ---------- 价格卡片 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.price-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 32px; position: relative; transition: all 0.3s var(--ease); }
.price-card:hover { transform: translateY(-4px); border-color: var(--border-2); background: var(--surface-2); }
.price-card__tag { display: inline-block; font-size: 0.76rem; padding: 4px 12px; border-radius: 99px; background: rgba(240, 132, 0, 0.14); color: var(--brand); margin-bottom: 14px; }
.price-card__name { font-size: 1.22rem; font-weight: 600; margin-bottom: 6px; }
.price-card__tagline { font-size: 0.9rem; color: var(--muted-2); margin-bottom: 20px; }
.price-card__price { font-size: 2.6rem; font-weight: 700; color: var(--brand); line-height: 1; }
.price-card__price em { font-size: 1rem; font-style: normal; font-weight: 400; color: var(--muted); }
.price-card__comm { font-size: 0.95rem; color: var(--text); margin: 10px 0 20px; padding: 8px 14px; background: rgba(240, 132, 0, 0.08); border-radius: var(--radius); display: inline-block; }
.price-card ul { display: grid; gap: 10px; margin-bottom: 24px; }
.price-card li { font-size: 0.9rem; color: var(--muted); padding-left: 20px; position: relative; }
.price-card li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }

/* ---------- 入驻花店 chips ---------- */
.shop-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 900px; margin: 0 auto 32px; }
.shop-chip { background: var(--surface); border: 1px solid var(--border); border-radius: 99px; padding: 8px 16px; font-size: 0.88rem; transition: all 0.25s; }
.shop-chip:hover { border-color: var(--brand); color: var(--brand); background: rgba(240, 132, 0, 0.08); }
.shop-chip b { color: var(--text); font-weight: 500; }
.shop-chip em { font-style: normal; color: var(--muted-2); font-size: 0.8rem; margin-right: 6px; }
.shop-chip--ai { border-color: rgba(240, 132, 0, 0.4); background: rgba(240, 132, 0, 0.07); }
.shop-chip--ai b { color: var(--brand); }
.shop-table { width: 100%; border-collapse: collapse; margin-top: 32px; }
.shop-table th, .shop-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
.shop-table th { color: var(--muted-2); font-weight: 500; font-size: 0.84rem; }
.shop-table tr:hover td { background: var(--surface); }
.shop-table td b { color: var(--brand); }

/* ---------- FAQ 手风琴 ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { cursor: pointer; padding: 20px 0; font-size: 1.02rem; font-weight: 500; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; transition: color 0.2s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--brand); font-weight: 300; flex-shrink: 0; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 20px; color: var(--muted); font-size: 0.95rem; line-height: 1.8; }
.faq details[open] summary { color: var(--brand); }

/* ---------- 三层架构 ---------- */
.arch { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.arch__layer { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; background: var(--surface); }
.arch__label { font-size: 0.76rem; color: var(--brand); letter-spacing: 0.1em; margin-bottom: 10px; }
.arch__title { font-size: 1.08rem; font-weight: 600; margin-bottom: 8px; }
.arch__desc { font-size: 0.88rem; color: var(--muted); line-height: 1.75; }

/* ---------- 痛点对比 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.pain-item { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; background: var(--surface); }
.pain-item__old { font-size: 0.9rem; color: var(--muted-2); text-decoration: line-through; margin-bottom: 8px; }
.pain-item__new { font-size: 0.98rem; color: var(--text); font-weight: 500; }
.pain-item__new::before { content: "→ "; color: var(--brand); }

/* ---------- 发布区补充响应式 ---------- */
@media (max-width: 960px) {
  .stat-band__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .price-grid { grid-template-columns: 1fr; }
  .arch { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .stat-band b { font-size: 1.9rem; }
  .tldr { padding: 20px; }
}