/* =====================================================================
 * 小螺号 TC-SLP 官网首页 · 落地页青绿主题（v2-landing）
 * 依据 2026-08-03 效果图 + PRD V2.0 设计：
 *   主色 青绿 #0A8E8B 系、暖米白底 #FDFCFA、深藏青文字 #0F1E32、珊瑚点缀
 *   布局：顶部导航 / Hero 三栏（文案+插画+工作台预览卡）/ 只需4步 /
 *         核心功能6卡 / 功能区 / 资源索引 / 定价区 / 关于页脚
 * 仅在概念 B 首页（515e0ec 线）之上做视觉叠加，不改动任何现有 CSS 文件
 * ===================================================================== */
:root {
  --lp-teal: #0d9488;
  --lp-teal-dark: #0f766e;
  --lp-teal-mid: #14b8a6;
  --lp-teal-light: #5eead4;
  --lp-mint: #a5cfc9;
  --lp-mint-soft: #e0f2ef;
  --lp-mint-line: rgba(13, 148, 136, 0.14);
  --lp-cream: #f6f3ea;
  --lp-cream-deep: #ebe4d2;
  --lp-navy: #262b25;
  --lp-navy-soft: #333a32;
  --lp-slate: #555e54;
  --lp-coral: #f97316;
  --lp-coral-soft: #f6ebdd;
  --lp-shadow-card: 0 16px 44px rgba(38, 59, 44, 0.18);
}

/* ===== 页面底色：暖米白 ===== */
.shell { background: var(--lp-cream); }

/* ===== 顶部品牌行 + 导航 ===== */
.topline.lp-topline { padding-right: 0; }
.lp-nav {
  display: none;
  align-items: center;
  gap: 2px;
}
.lp-nav a {
  padding: 8px 13px;
  border-radius: 999px;
  color: var(--lp-navy-soft);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition-fast, .15s ease), color var(--transition-fast, .15s ease);
}
.lp-nav a:hover,
.lp-nav a:focus-visible {
  background: var(--lp-mint-soft);
  color: var(--lp-teal);
  outline: none;
}
.topline .header-auth-btn {
  border-color: rgba(13, 148, 136, 0.22);
  background: #fff;
  color: var(--lp-teal-dark);
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.1);
}
.topline .header-auth-register {
  border-color: transparent;
  background: linear-gradient(135deg, #5b8065, #6e9178);
  color: #fff;
  box-shadow: 0 9px 20px rgba(13, 148, 136, 0.26);
}

@media (min-width: 980px) {
  /* 品牌+账号一行、导航一行：内容（品牌 332 + 账号区 576 + 导航 605）超过
     1440 限宽下的单行容量，两行可保证 980 以上任何宽度都不重叠 */
  .topline.lp-topline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "brand auth" "nav nav";
    align-items: center;
    column-gap: 18px;
  }
  .topline.lp-topline .brand { flex: none; grid-area: brand; }
  .lp-nav { display: flex; justify-self: center; grid-area: nav; }
  .topline.lp-topline .header-auth {
    position: static;
    transform: none;
    justify-self: end;
    grid-area: auth;
  }
}

/* 单行导航：≥1440（移除"关于我们"与"康复知识库"胶囊后内容收窄）
   品牌在左，导航右移贴近搜索框（账号区占最右列） */
@media (min-width: 1440px) {
  .topline.lp-topline {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "brand nav auth";
    grid-template-rows: 1fr;
  }
  .topline.lp-topline .lp-nav { justify-self: end; }
  /* 1440–1599 隐藏品牌副标题，为单行留出余量 */
  .topline.lp-topline .brand-sub { display: none; }
}
@media (min-width: 1600px) {
  .topline.lp-topline .brand-sub { display: block; }
}

/* =====================================================================
 * Hero：三栏（文案 / 插画 / 工作台预览卡）
 * ===================================================================== */
.lp-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding: 26px 20px 22px;
  border-radius: var(--radius-lg, 20px);
  background:
    radial-gradient(520px 320px at 88% -8%, rgba(13, 148, 136, 0.13), transparent 65%),
    radial-gradient(360px 280px at -6% 108%, rgba(201, 138, 75, 0.08), transparent 60%),
    linear-gradient(135deg, #e6ede3 0%, var(--lp-cream) 52%, #f1e5ca 100%);
  border: 1px solid var(--lp-mint-line);
  scroll-margin-top: 76px;
}

.lp-hero-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}
.lp-badge {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  border-radius: 999px;
  background: var(--lp-coral-soft);
  color: var(--lp-coral);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.lp-badge::before { content: "✦"; font-size: 12px; }

.lp-hero-title {
  margin: 0;
  color: var(--lp-navy);
  font-size: clamp(30px, 4.8vw, 44px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.lp-hero-sub {
  margin: 0;
  color: var(--lp-slate);
  font-size: 16px;
  line-height: 1.75;
}
.lp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}
.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 46px;
  padding: 0 22px;
  border: 1.5px solid transparent;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform var(--transition-fast, .15s ease), box-shadow var(--transition-fast, .15s ease), background var(--transition-fast, .15s ease), border-color var(--transition-fast, .15s ease);
}
.lp-btn:active { transform: translateY(1px); }
.lp-btn-primary {
  background: linear-gradient(135deg, #3b5643, var(--lp-teal));
  color: #fff;
  box-shadow: 0 10px 22px rgba(38, 59, 44, 0.32);
}
.lp-btn-primary:hover { box-shadow: 0 14px 28px rgba(38, 59, 44, 0.38); transform: translateY(-1px); }
.lp-btn-ghost {
  background: #fff;
  border-color: var(--lp-mint);
  color: var(--lp-teal-dark);
}
.lp-btn-ghost:hover { border-color: var(--lp-teal-light); background: var(--lp-mint-soft); }

.lp-hero-trust {
  display: grid;
  gap: 10px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px dashed var(--lp-mint-line);
}
.lp-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--lp-navy-soft);
  font-size: 14px;
  font-weight: 600;
  min-width: 0;
}
.lp-trust-item em {
  color: var(--lp-slate);
  font-size: 13px;
  font-style: normal;
  font-weight: 500;
}
.lp-trust-ico {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: #fff;
  font-size: 11.5px;
  font-weight: 800;
}
.lp-trust-ico.t1 { background: linear-gradient(135deg, #5b8065, #6e9178); }
.lp-trust-ico.t2 { background: linear-gradient(135deg, #b9cbbf, #46654e); }
.lp-trust-ico.t3 { background: linear-gradient(135deg, #46654e, #5b8065); }

/* Hero 中栏插画 */
.lp-hero-scene {
  display: none;
  margin: 0;
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(165deg, #f1ece1 0%, var(--lp-cream-deep) 55%, #eef3ec 100%);
}
.lp-hero-scene img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
  object-position: center;
}
.lp-hero-scene figcaption {
  position: absolute;
  left: 12px;
  bottom: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(46, 51, 46, 0.55);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

/* ===== 工作台预览卡 ===== */
.lp-preview {
  position: relative;
  z-index: 1;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  box-shadow: var(--lp-shadow-card);
  padding: 16px;
  display: grid;
  gap: 14px;
  align-content: start;
}
.preview-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.preview-logo {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  object-fit: contain;
  background: var(--lp-mint-soft);
  flex: 0 0 auto;
}
.preview-brand {
  color: var(--lp-navy);
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
}
.preview-greeting {
  flex: 1;
  min-width: 0;
  color: var(--lp-slate);
  font-size: 13.5px;
  font-weight: 600;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-avatar {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #5b8065, #46654e);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}
.preview-block { display: grid; gap: 8px; }
.preview-block-title {
  color: var(--lp-navy-soft);
  font-size: 14px;
  font-weight: 800;
}
.preview-schedule {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.preview-schedule li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 11px;
  background: var(--lp-cream-deep);
  min-width: 0;
}
.preview-time {
  flex: 0 0 auto;
  color: var(--lp-slate);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.preview-name {
  flex: 1;
  min-width: 0;
  color: var(--lp-navy-soft);
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-tag {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f0efeb;
  color: var(--lp-slate);
  font-size: 10.5px;
  font-weight: 700;
}
.preview-tag.on { background: #dcebe1; color: #46654e; }
.preview-tag.small { background: #eef1ec; color: #6f8d7a; }
.preview-link {
  justify-self: start;
  color: var(--lp-teal);
  font-size: 13px;
  font-weight: 700;
}
.preview-link:hover { color: var(--lp-teal-dark); text-decoration: underline; }

/* 使用概况（全站统计，保持 #workbenchStats 内部结构） */
.lp-stats {
  display: grid;
  gap: 6px;
  margin: 0;
}
.lp-stats > span {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 11px;
  background: var(--lp-cream-deep);
  color: var(--lp-navy-soft);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lp-stats strong { color: var(--lp-navy); font-weight: 800; font-variant-numeric: tabular-nums; }
.lp-stats > span::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: #4e8a5e;
}
.lp-stats > span:first-child::before { background: #f97316; }
.lp-stats > span:last-child::before { background: #a9beb0; }

/* 快捷入口：6 个彩色芯片 */
.preview-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.preview-quick {
  display: grid;
  gap: 5px;
  justify-items: center;
  padding: 9px 4px 8px;
  border-radius: 13px;
  background: var(--lp-cream-deep);
  color: var(--lp-navy-soft);
  font-size: 13px;
  font-weight: 700;
  transition: transform var(--transition-fast, .15s ease), box-shadow var(--transition-fast, .15s ease);
}
.preview-quick:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm, 0 4px 12px rgba(60,45,20,.06)); }
.preview-chip {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: #fff;
}
.preview-chip svg { width: 18px; height: 18px; }
.preview-chip.c-orange { background: #f97316; }
.preview-chip.c-blue { background: #8fa89b; }
.preview-chip.c-green { background: #4e8a5e; }
.preview-chip.c-red { background: #c07a5a; }
.preview-chip.c-sky { background: #8aa79b; }
.preview-chip.c-purple { background: #9b8fa8; }

/* =====================================================================
 * 通用落地页区块（只需 4 步 / 核心功能）
 * ===================================================================== */
.lp-section {
  background: #fff;
  border: 1px solid var(--border-subtle, rgba(38,59,44,.14));
  border-radius: var(--radius-lg, 20px);
  box-shadow: var(--shadow-sm, 0 4px 12px rgba(38,59,44,.08));
  padding: 26px 20px;
  scroll-margin-top: 76px;
}
.lp-section-head {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}
.lp-section-head h2 {
  margin: 0;
  color: var(--lp-navy);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.lp-section-head p {
  margin: 0;
  color: var(--lp-slate);
  font-size: 15px;
}
.lp-more {
  justify-self: start;
  margin-top: 4px;
  color: var(--lp-teal);
  font-size: 14px;
  font-weight: 700;
}
.lp-more:hover { color: var(--lp-teal-dark); text-decoration: underline; }

/* 只需 4 步 */
.lp-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.lp-step {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 18px 14px 14px;
  border-radius: 16px;
  background: var(--lp-cream-deep);
  border: 1px solid transparent;
  transition: border-color var(--transition-fast, .15s ease), box-shadow var(--transition-fast, .15s ease), transform var(--transition-fast, .15s ease);
}
.lp-step:hover {
  border-color: var(--lp-mint);
  box-shadow: var(--shadow-sm, 0 4px 12px rgba(38,59,44,.08));
  transform: translateY(-2px);
}
.lp-step-num {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b5643, #5b8065);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(38, 59, 44, 0.3);
}
.lp-step strong {
  color: var(--lp-navy-soft);
  font-size: 17px;
  font-weight: 800;
}
.lp-step em {
  color: var(--lp-slate);
  font-size: 14px;
  font-style: normal;
  line-height: 1.5;
}

/* 核心功能 6 卡 */
.lp-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.lp-feature {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 16px 14px;
  border-radius: 16px;
  background: var(--lp-cream-deep);
  border: 1px solid transparent;
  transition: border-color var(--transition-fast, .15s ease), box-shadow var(--transition-fast, .15s ease), transform var(--transition-fast, .15s ease);
}
.lp-feature:hover {
  border-color: var(--lp-mint);
  box-shadow: var(--shadow-sm, 0 4px 12px rgba(38,59,44,.08));
  transform: translateY(-2px);
}
.lp-feature-chip {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #fff;
}
.lp-feature-chip svg { width: 20px; height: 20px; }
.lp-feature-chip.fc-blue { background: #8a9c8e; }
.lp-feature-chip.fc-mint { background: #4e8a5e; }
.lp-feature-chip.fc-orange { background: #f97316; }
.lp-feature-chip.fc-lav { background: #b0a4b8; }
.lp-feature-chip.fc-blue2 { background: #6f8d7a; }
.lp-feature-chip.fc-cyan { background: #7ba49b; }
.lp-feature h3 {
  margin: 0;
  color: var(--lp-navy-soft);
  font-size: 16.5px;
  font-weight: 800;
}
.lp-feature p {
  margin: 0;
  color: var(--lp-slate);
  font-size: 13.5px;
  line-height: 1.6;
}

/* ===== 功能区（搜索 + 双路径 + 快捷联系） ===== */
.homepage-secondary { scroll-margin-top: 76px; }
.secondary-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}
.lp-path-therapist,
.lp-path-parent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 13px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform var(--transition-fast, .15s ease), box-shadow var(--transition-fast, .15s ease);
}
.lp-path-btn:hover { transform: translateY(-1px); }
.lp-path-therapist {
  background: linear-gradient(135deg, #3b5643, var(--lp-teal));
  color: #fff;
  box-shadow: 0 10px 22px rgba(38, 59, 44, 0.32);
}
.lp-path-parent {
  background: #fff;
  border: 1.5px solid var(--lp-mint);
  color: var(--lp-teal-dark);
}
.lp-path-parent:hover { border-color: var(--lp-teal-light); background: var(--lp-mint-soft); }

/* =====================================================================
 * 定价区
 * ===================================================================== */
.landing-pricing {
  background: #fff;
  border: 1px solid var(--border-subtle, rgba(38,59,44,.14));
  border-radius: var(--radius-lg, 20px);
  box-shadow: var(--shadow-sm, 0 4px 12px rgba(38,59,44,.08));
  padding: 26px 20px;
  scroll-margin-top: 76px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.pricing-copy h2 {
  margin: 0 0 6px;
  color: var(--lp-navy);
  font-size: 26px;
  font-weight: 800;
}
.pricing-copy > p {
  margin: 0;
  color: var(--lp-slate);
  font-size: 15px;
  line-height: 1.7;
}
.pricing-trust {
  display: grid;
  gap: 6px;
  margin-top: 12px;
}
.pricing-trust span {
  color: var(--lp-teal-dark);
  font-size: 13.5px;
  font-weight: 700;
}
.price-card {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 18px 18px;
  border: 1px solid var(--border-default, #e3dcc8);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-sm, 0 4px 12px rgba(38,59,44,.08));
}
.price-card.recommended {
  border-color: var(--lp-teal);
  box-shadow: 0 14px 36px rgba(38, 59, 44, 0.2);
}
.price-tag {
  position: absolute;
  top: -11px;
  right: 16px;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--lp-teal-dark);
  color: #fff;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.price-card h3 {
  margin: 0;
  color: var(--lp-navy);
  font-size: 18px;
  font-weight: 800;
}
.price-card > p {
  margin: 0;
  color: var(--lp-slate);
  font-size: 14px;
  line-height: 1.5;
}
.price-num {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin: 4px 0 8px;
}
.price-num .cur {
  color: var(--lp-teal-dark);
  font-size: 15px;
  font-weight: 800;
}
.price-num .num {
  color: var(--lp-navy);
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}
.price-num .per {
  color: var(--lp-slate);
  font-size: 12px;
  font-weight: 600;
}
.price-cta-banner {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 8px;
  align-content: center;
  padding: 24px 20px;
  border-radius: 20px;
  background: linear-gradient(135deg, #46654e, #a9beb0);
  color: #fff;
}
.price-cta-banner h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
}
.price-cta-banner p {
  margin: 0;
  font-size: 14px;
  opacity: 0.92;
}
.banner-btn {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  background: #fff;
  color: var(--lp-teal-dark);
  font-size: 13.5px;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(38, 59, 44, 0.34);
  transition: transform var(--transition-fast, .15s ease), box-shadow var(--transition-fast, .15s ease);
}
.banner-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 24px rgba(70, 101, 78, 0.36); }

/* =====================================================================
 * 页脚（关于我们）
 * ===================================================================== */
.site-footer {
  display: grid;
  gap: 16px;
  padding: 24px 20px;
  border-radius: var(--radius-lg, 20px);
  background: var(--lp-navy);
  color: rgba(255, 255, 255, 0.86);
  scroll-margin-top: 76px;
}
.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.footer-brand img {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  object-fit: contain;
  background: #fff;
  flex: 0 0 auto;
}
.footer-brand strong {
  display: block;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
}
.footer-brand p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13.5px;
  line-height: 1.6;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 600;
}
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* =====================================================================
 * 响应式
 * ===================================================================== */
@media (min-width: 760px) {
  .lp-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.1fr);
    gap: 26px;
    padding: 34px 30px 30px;
  }
  .lp-hero-trust { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .lp-trust-item { flex-direction: column; align-items: flex-start; gap: 5px; }
  .lp-trust-item em { display: block; }
  .lp-section { padding: 30px 28px; }
  .lp-section-head { grid-template-columns: 1fr auto; align-items: end; }
  .lp-section-head p { grid-column: 1; }
  .lp-more { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
  .lp-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lp-features { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .secondary-search-row { grid-template-columns: minmax(0, 1fr) auto auto; }
  .landing-pricing { padding: 30px 28px; }
  .pricing-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.15fr); align-items: stretch; }
  .site-footer { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); align-items: start; }
  .footer-note { grid-column: 1 / -1; }
}

/* =====================================================================
 * 入场动画与动效（对应 UI 图温和的渐进呈现）
 * ===================================================================== */
@keyframes lp-motion-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes lp-motion-media-in {
  from { opacity: 0; transform: scale(0.985); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes lp-motion-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Homepage motion layer */
@media (prefers-reduced-motion: no-preference) {
  .lp-hero-copy { animation: lp-motion-fade-up .5s ease-out both; }
  .lp-hero-scene { animation: lp-motion-media-in .55s ease-out both; }
  .lp-preview { animation: lp-motion-fade-up .6s ease-out .08s both; }
  .lp-step:hover .lp-step-num { animation: lp-motion-float 2.4s ease-in-out infinite; }
}
@media (prefers-reduced-motion: reduce) {
  .lp-hero-copy,
  .lp-hero-scene,
  .lp-preview,
  .lp-step,
  .lp-feature,
  .lp-path-btn,
  .lp-btn,
  .banner-btn,
  .preview-quick {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}

/* ===== 移动端收拢 ===== */
@media (max-width: 760px) {
  .lp-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .secondary-search-row { grid-template-columns: minmax(0, 1fr); }
  .preview-quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lp-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pricing-grid { grid-template-columns: minmax(0, 1fr); }
  /* 移动端紧凑:减少大留白 */
  .lp-hero { padding: 20px 16px 18px; gap: 16px; }
  .lp-preview { padding: 14px; gap: 12px; }
  .lp-section { padding: 20px 16px; }
  .landing-pricing { padding: 20px 16px; }
  .lp-hero-actions .lp-btn { min-height: 44px; padding: 0 18px; }
  .lp-step { padding: 16px 12px 12px; }
  .lp-feature { padding: 14px 12px; }
  .lp-hero-tags a { padding: 6px 12px; font-size: 12.5px; }
}

/* 底部导航:仅桌面端由顶部导航替代;移动端保留 */
@media (min-width: 761px) {
  .bottom-nav { display: none !important; }
}

/* =====================================================================
 * 顶部导航修复(v3-forest):回归文档流,吸顶不遮挡
 * 覆盖 homepage-calm 的 absolute 悬浮设计,首屏内容不再被导航盖住
 * ===================================================================== */
.shell .topline.lp-topline {
  position: sticky;
  top: 0;
  left: auto;
  right: auto;
  width: auto;
  z-index: 50;
  min-height: 0;
  margin: 0;
  transform: none;
  padding: 12px 0 !important;
  background: linear-gradient(135deg, #39533f 0%, #46654e 58%, #54745e 100%);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0 0 16px 16px;
}
/* 森林绿导航:白字 + 白色高亮(覆盖内联深色文字) */
.shell .topline.lp-topline .brand h1 { color: #fff !important; }
.shell .topline.lp-topline .brand-sub { color: rgba(255, 255, 255, 0.82) !important; }
.shell .topline.lp-topline .lp-nav a,
.shell .topline.lp-topline .lp-drop-btn { color: rgba(255, 255, 255, 0.95) !important; }
.shell .topline.lp-topline .lp-nav a:hover,
.shell .topline.lp-topline .lp-nav a:focus-visible,
.shell .topline.lp-topline .lp-drop-btn:hover,
.shell .topline.lp-topline .lp-drop-btn:focus-visible,
.shell .topline.lp-topline .lp-drop-btn[aria-expanded="true"] {
  background: rgba(255, 255, 255, 0.16) !important;
  color: #fff !important;
}
.shell .topline.lp-topline .lp-drop-panel { color: #2e332e; }
.shell .topline.lp-topline .lp-drop-panel .lp-drop-group a { color: #3c423b !important; }
.shell .topline.lp-topline .lp-drop-panel .lp-drop-group a:hover { background: #e9f0ea !important; color: #46654e !important; }
.shell .topline.lp-topline .sound-toggle {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 4px 12px rgba(30, 48, 34, 0.18);
}
@media (min-width: 980px) {
  .shell .topline.lp-topline {
    padding: 14px 0;
  }
}
@media (max-width: 760px) {
  .shell .topline.lp-topline {
    padding: 10px 0;
    border-radius: 0 0 12px 12px;
  }
}

/* hero 左栏能力标签(填充文案区,专业导航) */
.lp-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}
.lp-hero-tags a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--lp-mint-soft);
  border: 1px solid rgba(59, 86, 67, 0.18);
  color: var(--lp-teal-dark);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.lp-hero-tags a:hover {
  background: #fff;
  border-color: var(--lp-teal);
  color: var(--lp-teal);
  transform: translateY(-1px);
}
@media (min-width: 760px) {
  .lp-hero-tags { margin-top: 10px; }
  .lp-hero-copy { align-content: center; }
}

/* =====================================================================
 * 全宽铺满修复(v3-forest7):去掉桌面端"手机壳卡片"模式
 * 原先桌面内容被限制在 1120px 居中卡片内,两侧大片留白;
 * 现改为背景铺满全宽,内容最宽 1440px 居中,观感为完整页面
 * ===================================================================== */
@media (min-width: 980px) {
  body {
    padding: 0;
    background: var(--lp-cream);
  }
  .shell {
    width: 100%;
    max-width: none;
    border-radius: 0;
    box-shadow: none;
  }
  .app {
    max-width: 1440px;
    margin: 0 auto;
  }
}

/* =====================================================================
 * 移动端修复(v3-forest8):品牌不重叠、底部导航恢复、底部留出导航高度
 * ===================================================================== */
@media (max-width: 760px) {
  .shell .topline.lp-topline .brand-sub { display: none !important; }
  .shell .topline.lp-topline .brand { padding-right: 104px; }
  .shell .topline.lp-topline .header-auth { gap: 4px; }
  .shell .topline.lp-topline .header-auth-btn { min-width: 40px; height: 36px; padding: 0 8px; font-size: 13px; }
  .shell .topline.lp-topline .sound-toggle { display: none; }
  .app { padding-bottom: calc(96px + env(safe-area-inset-bottom, 0)); }
}

/* =====================================================================
 * 资源索引卡片差异化底色(v3-forest9)
 * 每类卡片使用各自的低饱和浅底 + 主题色标题,一眼可区分
 * ===================================================================== */
.entry-card {
  background: var(--entry-soft, var(--bg-surface));
  border-color: var(--entry-line, var(--border-subtle));
}
.entry-card .entry-title {
  color: var(--entry-deep, var(--text-primary));
}
.entry-card.material {
  --entry: #7c8a5e;
  --entry-deep: #5f6b45;
  --entry-soft: #edf0e4;
  --entry-line: rgba(124, 138, 94, 0.22);
}
.entry-card.students {
  --entry: #8a7fa8;
  --entry-deep: #6f6490;
  --entry-soft: #efebf2;
  --entry-line: rgba(138, 127, 168, 0.22);
}
.entry-card.project-map {
  border-color: rgba(31, 133, 128, 0.28);
}