/* ============================================================
   Landing Vision — 苹果官网风格的导游证介绍主页
   复用 --shell-* token（homepage-vision.css :root 定义）
   深蓝渐变 hero + 宋体衬线大标题 + 大留白 + 毛玻璃 + 省份网格
   ============================================================ */

/* ---------- 容器 ---------- */
.landing-page{
  --lv-blue:#1769c2;
  --lv-ink:#0d2740;
  --lv-deep:#0a1f3a;
  --lv-muted:#6b8294;
  --lv-line:rgba(28,92,143,.14);
  --lv-paper:#f7fbff;
  --lv-soft:#eef6fc;
  --lv-serif:"Songti SC","STSong","Noto Serif CJK SC",serif;
  --lv-sans:"SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI",sans-serif;
  color:var(--lv-ink);
  font-family:var(--lv-sans);
  background:#fff;
}
.landing-page *{box-sizing:border-box}

/* ---------- Hero ---------- */
.landing-hero{
  position:relative;
  min-height:92svh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  overflow:hidden;
  padding:120px clamp(24px,5vw,80px) 100px;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%,rgba(64,150,230,.32),transparent 70%),
    radial-gradient(circle at 18% 88%,rgba(23,105,194,.22),transparent 50%),
    radial-gradient(circle at 85% 78%,rgba(64,184,214,.18),transparent 45%),
    linear-gradient(165deg,#0a2a4a 0%,#0f3d68 38%,#145a8f 72%,#1a6fa8 100%);
  color:#fff;
}
.landing-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,transparent 0%,transparent 60%,rgba(247,251,255,.04) 100%);
  pointer-events:none;
}
/* 中国轮廓装饰——SVG 走马灯感的水印 */
.landing-hero::after{
  content:"";position:absolute;left:50%;bottom:-12%;transform:translateX(-50%);
  width:min(1200px,95%);height:46%;
  background:url("../img/ui/home-vision-hero-v1.png") center bottom/auto 100% no-repeat;
  opacity:.10;filter:blur(1px) saturate(0) brightness(1.8);
  pointer-events:none;
}
.landing-hero-eyebrow{
  position:relative;z-index:1;
  color:#9fd4f2;font-size:12px;font-weight:700;letter-spacing:.32em;
  margin-bottom:30px;text-transform:uppercase;
}
body[data-view="home"] .landing-hero h1{
  position:relative;z-index:1;
  margin:0 0 26px;
  color:#fff;
  font-weight:800;
  font-size:clamp(44px,7vw,92px);
  line-height:1.06;
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  letter-spacing:-.045em;
}
.landing-hero h1 em{font-style:normal;background:linear-gradient(90deg,#7fd0ee,#b8e8f6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.landing-hero-sub{
  position:relative;z-index:1;
  max-width:680px;margin:0 auto 44px;
  color:#cfe3f0;font-size:clamp(16px,1.4vw,21px);line-height:1.85;font-weight:400;
}
.landing-hero-cta{
  position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;justify-content:center;
}
.lv-btn{
  display:inline-flex;align-items:center;gap:8px;
  min-height:54px;padding:0 30px;border:0;border-radius:999px;
  font-size:16px;font-weight:700;font-family:var(--lv-sans);cursor:pointer;
  transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s,background .3s;
}
.lv-btn-primary{color:#0a2a4a;background:#fff;box-shadow:0 16px 40px rgba(0,0,0,.22)}
.lv-btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 52px rgba(0,0,0,.3)}
.lv-btn-ghost{color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.28)}
.lv-btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.lv-btn i{font-style:normal;transition:transform .3s}
.lv-btn:hover i{transform:translateX(3px)}

/* ---------- 数字证明条 ---------- */
.landing-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  max-width:1100px;margin:-56px auto 0;padding:0 clamp(24px,5vw,80px);
  position:relative;z-index:2;
}
.landing-stat{
  background:rgba(255,255,255,.92);backdrop-filter:blur(16px);
  border:1px solid var(--lv-line);border-radius:18px;
  padding:26px 18px;text-align:center;
  box-shadow:0 18px 50px rgba(20,74,116,.12);
  margin:0 7px;
}
.landing-stat b{
  display:block;color:var(--lv-blue);
  font:700 clamp(28px,3vw,40px)/1 Georgia,serif;
}
.landing-stat span{display:block;margin-top:8px;color:var(--lv-muted);font-size:13px;letter-spacing:.04em}

/* ---------- 通用 section ---------- */
.landing-section{
  max-width:1100px;margin:0 auto;padding:110px clamp(24px,5vw,80px);
}
.landing-section-narrow{max-width:980px}
.landing-eyebrow{
  color:#1f86b8;font-size:12px;font-weight:800;letter-spacing:.24em;
  text-transform:uppercase;margin-bottom:14px;
}
body[data-view="home"] .landing-section h2{
  margin:0 0 20px;color:var(--lv-deep);
  font-weight:800;
  font-size:clamp(30px,4vw,48px);
  line-height:1.18;
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  letter-spacing:-.035em;
}
.landing-section h2 em{font-style:normal;color:var(--lv-blue)}
.landing-section>p.lead{
  max-width:680px;margin:0 0 56px;
  color:var(--lv-muted);font-size:clamp(16px,1.3vw,19px);line-height:1.85;
}

/* ---------- 导游证介绍：四科卡片 ---------- */
.lv-subjects{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.lv-subject{
  display:grid;grid-template-columns:54px 1fr;gap:18px;align-items:start;
  padding:26px 24px;background:#fff;border:1px solid var(--lv-line);border-radius:16px;
  transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s,border-color .3s;
}
.lv-subject:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(20,74,116,.12);border-color:#79bad6}
.lv-subject-no{
  width:54px;height:54px;display:flex;align-items:center;justify-content:center;
  border-radius:14px;background:linear-gradient(145deg,#eaf6fd,#d4ebf9);
  color:var(--lv-blue);font:700 18px Georgia,serif;
}
.lv-subject h3{margin:0 0 6px;color:var(--lv-deep);font-size:18px;font-weight:700}
.lv-subject .lv-subject-name{color:var(--lv-blue);font-size:13px;font-weight:600;margin-bottom:8px;display:block}
.lv-subject p{margin:0;color:var(--lv-muted);font-size:14px;line-height:1.7}
.lv-interview-note{
  margin-top:18px;padding:20px 24px;border-radius:16px;
  background:linear-gradient(100deg,rgba(15,66,109,.96),rgba(20,94,146,.92));
  color:#dbeefb;
}
.lv-interview-note b{color:#fff;display:block;margin-bottom:6px;font-size:15px}
.lv-interview-note p{margin:0;font-size:13px;line-height:1.7;color:#bcd6e8}

/* ---------- 利好：三栏 ---------- */
.lv-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.lv-benefit{
  padding:32px 26px;background:var(--lv-paper);border:1px solid var(--lv-line);border-radius:20px;
  transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s;
}
.lv-benefit:hover{transform:translateY(-4px);box-shadow:0 22px 50px rgba(20,74,116,.1)}
.lv-benefit-ic{
  width:48px;height:48px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;background:#fff;border:1px solid var(--lv-line);
  color:var(--lv-blue);font-size:22px;font-weight:800;margin-bottom:20px;
}
.lv-benefit h3{margin:0 0 10px;color:var(--lv-deep);font-size:19px;font-weight:700}
.lv-benefit p{margin:0;color:var(--lv-muted);font-size:14px;line-height:1.75}

/* ---------- 发展路径：时间线 ---------- */
.landing-path-wrap{
  background:linear-gradient(180deg,#0c2c4d 0%,#103a63 100%);
  border-radius:28px;padding:80px clamp(24px,5vw,72px);color:#dbeaf6;
}
.landing-path-wrap .landing-eyebrow{color:#7fd0ee}
.landing-path-wrap h2{color:#fff}
.lv-timeline{
  position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;
  margin-top:50px;
}
.lv-timeline::before{
  content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,rgba(127,208,238,.15),#7fd0ee,rgba(127,208,238,.15));
}
.lv-step{position:relative;text-align:center;padding-top:0}
.lv-step-dot{
  position:relative;z-index:1;width:52px;height:52px;margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:#0c2c4d;border:2px solid #7fd0ee;
  color:#b8e8f6;font:700 16px Georgia,serif;
}
.lv-step.is-final .lv-step-dot{background:linear-gradient(145deg,#7fd0ee,#40b8d6);color:#0a2a4a;border-color:#7fd0ee}
.lv-step h3{margin:0 0 8px;color:#fff;font-size:16px;font-weight:700}
.lv-step p{margin:0;color:#9fc4dd;font-size:12.5px;line-height:1.65}

/* ---------- 核心功能网格 ---------- */
.lv-features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lv-feature{
  display:flex;flex-direction:column;text-align:left;
  padding:30px 26px;background:#fff;border:1px solid var(--lv-line);border-radius:18px;
  cursor:pointer;transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s,border-color .3s;
}
.lv-feature:hover{transform:translateY(-4px);box-shadow:0 22px 48px rgba(20,74,116,.11);border-color:#79bad6}
.lv-feature-ic{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--lv-soft);color:var(--lv-blue);margin-bottom:20px;
}
.lv-feature-ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8}
.lv-feature h3{margin:0 0 10px;color:var(--lv-deep);font-size:17px;font-weight:700}
.lv-feature p{margin:0 0 16px;color:var(--lv-muted);font-size:13.5px;line-height:1.7;flex:1}
.lv-feature-arrow{color:var(--lv-blue);font-size:13px;font-weight:700}
.lv-feature:hover .lv-feature-arrow i{display:inline-block;transform:translateX(4px)}
.lv-feature-arrow i{font-style:normal;transition:transform .3s}

/* ---------- 学习流程：三步 ---------- */
.landing-flow-wrap{background:var(--lv-paper);border-radius:28px;padding:80px clamp(24px,5vw,72px)}
.lv-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:50px}
.lv-flow-step{position:relative;text-align:left}
.lv-flow-no{
  color:var(--lv-blue);font:700 clamp(40px,5vw,64px)/1 Georgia,serif;
  margin-bottom:14px;opacity:.55;
}
.lv-flow-step h3{margin:0 0 10px;color:var(--lv-deep);font-size:20px;font-weight:700}
.lv-flow-step p{margin:0;color:var(--lv-muted);font-size:14px;line-height:1.75}
.lv-flow-step:not(:last-child)::after{
  content:"→";position:absolute;right:-16px;top:30px;
  color:#9fc4dd;font-size:24px;font-weight:700;
}

/* ---------- 考试大纲 ---------- */
.lv-syllabus-intro{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;margin-bottom:36px;
}
.lv-syllabus-national{display:grid;gap:14px}
.lv-syllabus-link{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;background:#fff;border:1px solid var(--lv-line);border-radius:16px;
  text-decoration:none;color:var(--lv-deep);
  transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s,border-color .3s;
}
.lv-syllabus-link:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(20,74,116,.1);border-color:#79bad6}
.lv-syllabus-link b{display:block;font-size:16px;margin-bottom:4px}
.lv-syllabus-link span{color:var(--lv-muted);font-size:13px}
.lv-syllabus-link em{
  font-style:normal;flex-shrink:0;color:var(--lv-blue);font-weight:700;font-size:13px;
  white-space:nowrap;background:var(--lv-soft);padding:6px 14px;border-radius:999px;
}
.lv-syllabus-link:hover em{background:#1769c2;color:#fff}
.lv-syllabus-aside{
  padding:28px 26px;background:linear-gradient(160deg,var(--lv-soft),#fff);
  border:1px solid var(--lv-line);border-radius:18px;
}
.lv-syllabus-aside h3{margin:0 0 12px;color:var(--lv-deep);font-size:17px}
.lv-syllabus-aside p{margin:0;color:var(--lv-muted);font-size:13.5px;line-height:1.8}
.lv-syllabus-aside b{color:var(--lv-blue)}

.lv-province-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.lv-province{
  display:flex;flex-direction:column;gap:4px;padding:14px 16px;
  background:#fff;border:1px solid var(--lv-line);border-radius:12px;
  text-decoration:none;transition:all .25s cubic-bezier(.22,1,.36,1);
}
.lv-province:hover{border-color:#79bad6;box-shadow:0 10px 24px rgba(20,74,116,.08);transform:translateY(-2px)}
.lv-province b{color:var(--lv-deep);font-size:14px;font-weight:700}
.lv-province small{color:var(--lv-muted);font-size:11.5px}
.lv-province.is-ready{border-color:#7ec9a8;background:linear-gradient(145deg,#f0fbf4,#fff)}
.lv-province.is-ready b::after{content:" ✓";color:#3a9b6e}
.lv-province.is-pending{opacity:.72}
.lv-province.is-pending small{color:#a0b4c4}

/* ---------- 底部 CTA ---------- */
.landing-cta{
  position:relative;text-align:center;
  margin:40px auto 0;max-width:1100px;
  padding:90px clamp(24px,5vw,72px);border-radius:32px;overflow:hidden;
  background:
    radial-gradient(ellipse 70% 90% at 50% 120%,rgba(64,184,214,.4),transparent 70%),
    linear-gradient(160deg,#0a2a4a 0%,#145a8f 100%);
  color:#fff;
}
body[data-view="home"] .landing-cta h2{
  margin:0 0 18px;color:#fff;
  font-weight:800;font-size:clamp(30px,4.5vw,52px);line-height:1.15;
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  letter-spacing:-.035em;
}
.landing-cta p{max-width:560px;margin:0 auto 36px;color:#cfe3f0;font-size:17px;line-height:1.8}
.landing-cta .lv-btn-primary{font-size:17px;padding:0 38px}

/* ---------- 页脚 ---------- */
.landing-footer{
  max-width:1100px;margin:0 auto;padding:48px clamp(24px,5vw,80px) 72px;
  border-top:1px solid var(--lv-line);margin-top:40px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
body[data-view="home"] .landing-footer b{color:var(--lv-deep);font-weight:800;font-size:20px;line-height:1;font-family:"Songti SC","STSong","Noto Serif CJK SC",serif}
.landing-footer p{margin:0;color:var(--lv-muted);font-size:13px;flex:1;min-width:200px}

/* ============================================================
   响应式：980 / 720 / 620 三档（与 vision 体系一致）
   ============================================================ */
@media(max-width:980px){
  .lv-subjects{grid-template-columns:1fr}
  .lv-benefits{grid-template-columns:1fr}
  .lv-features{grid-template-columns:repeat(2,1fr)}
  .lv-syllabus-intro{grid-template-columns:1fr}
  .lv-timeline{grid-template-columns:repeat(5,1fr);gap:8px}
  .lv-step h3{font-size:14px}
  .lv-step p{font-size:11px}
}
@media(max-width:720px){
  .landing-hero{min-height:80svh;padding:100px 22px 80px}
  .landing-stats{grid-template-columns:repeat(2,1fr);margin-top:-40px}
  .landing-stat{margin:0 0 12px}
  .landing-section{padding:72px 22px}
  .lv-features{grid-template-columns:1fr}
  .lv-flow{grid-template-columns:1fr;gap:32px}
  .lv-flow-step:not(:last-child)::after{display:none}
  .lv-timeline{grid-template-columns:1fr;gap:24px}
  .lv-timeline::before{display:none}
  .lv-step{text-align:left;display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start}
  .lv-step-dot{margin:0}
  .landing-path-wrap,.landing-flow-wrap,.landing-cta{border-radius:22px;padding:56px 22px}
}
@media(max-width:620px){
  .landing-hero h1{font-size:42px}
  .landing-hero-sub{font-size:15px}
  .lv-btn{width:100%;justify-content:center}
  .landing-hero-cta{width:100%}
  .landing-province-grid{grid-template-columns:repeat(2,1fr)}
}