/* ============================================================
   01. 全局变量 —— 温和暖黄配色
   ============================================================ */
:root{
  --cream:      #FFFBF5;
  --paper:      #FFFFFF;
  --warm-1:     #FFF6E8;
  --warm-2:     #FFEDD2;
  --warm-3:     #FFE0B0;
  --brand:      #F5A623;
  --brand-2:    #FFC96B;
  --brand-deep: #C97F14;
  --ink:        #3B3128;
  --ink-2:      #7A6A57;
  --ink-3:      #A89680;
  --line:       #F1E5D2;
  --line-2:     #F7EEDF;
  --mint:       #7FC8A9;
  --rose:       #F0A0A0;
  --sky:        #8FC3E8;
  --violet:     #B7A5E0;
  --radius:     22px;
  --radius-sm:  14px;
  --shadow-sm:  0 4px 14px rgba(190,150,90,.10);
  --shadow:     0 12px 34px rgba(190,150,90,.15);
  --shadow-lg:  0 26px 58px rgba(190,150,90,.22);
  --shadow-ink: 6px 6px 0 rgba(59,49,40,.10);
  color-scheme: light;
}

/* ============================================================
   02. 基础重置
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}

body::before{
  content:"";
  position:fixed;inset:0;
  background-image:radial-gradient(circle, rgba(190,150,90,.055) 1.4px, transparent 1.4px);
  background-size:18px 18px;
  pointer-events:none;
  z-index:0;
}

.wrap{
  width:min(1200px, calc(100% - 44px));
  margin-inline:auto;
  position:relative;
  z-index:2;
}

section[id]{scroll-margin-top:96px}

/* ============================================================
   03. 通用组件
   ============================================================ */
.section{padding:88px 0;position:relative;z-index:2}
.section.tint{background:linear-gradient(180deg,#FFFCF6 0%,#FFF7EC 100%)}

.sec-head{margin-bottom:52px}
.sec-head.center{text-align:center;max-width:760px;margin-inline:auto;margin-bottom:52px}

.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:#fff;border:1.5px solid var(--line);
  font-size:13px;font-weight:700;letter-spacing:.5px;
  color:var(--brand-deep);
  box-shadow:var(--shadow-sm);
  margin-bottom:16px;
}
.chip::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand);
}

.sec-title{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:900;
  letter-spacing:-1px;
  line-height:1.22;
}
.sec-title .hl{
  background:linear-gradient(115deg,#F5A623 0%,#FF8A3D 55%,#F5A623 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.sec-desc{
  margin-top:14px;
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.8;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;
  transition:transform .26s cubic-bezier(.22,.8,.3,1), box-shadow .26s, background .26s, border-color .26s;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  color:#fff;
  box-shadow:0 10px 24px rgba(245,166,35,.36);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(245,166,35,.46)}
.btn-ghost{
  background:#fff;color:var(--ink);
  border:1.5px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-3px)}
.btn-sm{padding:10px 18px;font-size:13.5px;width:100%}

.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform .34s cubic-bezier(.22,.8,.3,1), box-shadow .34s, border-color .34s;
}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:#FFE2B4}

/* ============================================================
   04. 顶部导航
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,251,245,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s, box-shadow .3s;
}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(190,150,90,.09)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}

.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-logo{
  width:42px;height:42px;border-radius:13px;object-fit:cover;
  box-shadow:0 6px 16px rgba(245,166,35,.32);
}
.brand-text strong{display:block;font-size:17px;font-weight:900;letter-spacing:.4px;line-height:1.2}
.brand-text small{display:block;font-size:9.5px;color:var(--ink-3);letter-spacing:1.6px;font-weight:700}

.menu{display:flex;gap:4px}
.menu a{
  padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:.25s;
}
.menu a:hover{background:var(--warm-1);color:var(--brand-deep)}

.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.nav-cta .btn{padding:10px 20px;font-size:14px}

.menu-toggle{
  display:none;width:44px;height:44px;border-radius:13px;
  border:1.5px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.menu-toggle i{
  display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative;
}
.menu-toggle i::before,.menu-toggle i::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;
}
.menu-toggle i::before{top:-5.5px}
.menu-toggle i::after{top:5.5px}

.mobile-panel{
  display:none;flex-direction:column;gap:2px;
  padding:10px 22px 22px;
  border-bottom:1px solid var(--line);
  background:rgba(255,251,245,.98);
}
.mobile-panel.open{display:flex}
.mobile-panel a{
  padding:13px 12px;border-radius:12px;
  font-size:15.5px;font-weight:700;color:var(--ink-2);
}
.mobile-panel a:hover{background:var(--warm-1);color:var(--brand-deep)}

/* ============================================================
   05. Hero 首屏
   ★★★ 已优化：新增背景图 + 渐变遮罩 ★★★
   ============================================================ */
.hero{
  position:relative;overflow:hidden;
  padding:68px 0 84px;
  /* 兜底底色 */
  background-color:#FFFBF5;
  /* 第一层：渐变遮罩（左侧不透明保证文字可读，右侧透明露出背景图）
     第二层：背景图片（替换 ./hero-bg.jpg 即可更换） */
  background-image:
    linear-gradient(105deg,
      rgba(255,251,245,.97) 0%,
      rgba(255,251,245,.94) 28%,
      rgba(255,251,245,.78) 52%,
      rgba(255,251,245,.42) 76%,
      rgba(255,251,245,.12) 100%),
    radial-gradient(900px 560px at 92% -10%, rgba(255,214,140,.35) 0%, rgba(255,214,140,0) 60%),
    url('/images/hero-bg.jpg');
  background-size: cover, cover, cover;
  background-position: center, center, center right;
  background-repeat: no-repeat;
}
/* 背景图载入失败时的降级：仅显示暖色渐变 */
.hero.no-bg{
  background-image:
    radial-gradient(1000px 640px at 86% -16%, #FFEFD0 0%, rgba(255,239,208,0) 62%),
    radial-gradient(820px 540px at -8% 20%, #FFF6E6 0%, rgba(255,246,230,0) 58%);
}

.blob{position:absolute;border-radius:50%;filter:blur(72px);opacity:.35;pointer-events:none;z-index:1}
.blob.b1{width:340px;height:340px;background:#FFD79A;top:-100px;right:5%}
.blob.b2{width:260px;height:260px;background:#FFE9C4;bottom:-80px;left:-70px}

.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.06fr .94fr;
  gap:56px;align-items:center;
}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  background:#fff;border:1.5px solid var(--line);
  font-size:13.5px;font-weight:700;color:var(--brand-deep);
  box-shadow:var(--shadow-sm);
  margin-bottom:20px;
}
.pill .dot{
  width:7px;height:7px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 3px rgba(127,200,169,.22);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(127,200,169,.22)}
  50%{box-shadow:0 0 0 6px rgba(127,200,169,.08)}
}

.hero h1{
  font-size:clamp(32px,4.8vw,56px);
  font-weight:900;line-height:1.2;letter-spacing:-1.4px;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(115deg,#F5A623 0%,#FF8A3D 55%,#F5A623 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{
  font-size:16.5px;color:var(--ink-2);
  max-width:540px;margin-bottom:30px;line-height:1.85;
}
.hero .lead em{
  font-style:normal;font-weight:800;color:var(--ink);
  background:linear-gradient(transparent 62%, #FFE0B0 62%);
  padding:0 2px;
}

.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}

.hero-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;color:var(--ink-3);font-size:13.5px;font-weight:600}
.avatars{display:flex}
.avatars img{
  width:34px;height:34px;border-radius:50%;object-fit:cover;
  border:2.5px solid #fff;margin-left:-11px;
  box-shadow:0 3px 8px rgba(0,0,0,.08);
  background:var(--warm-2);
}
.avatars img:first-child{margin-left:0}
.hero-meta strong{color:var(--brand-deep)}

.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:520px}
.phone{
  width:100%;max-width:320px;
  border-radius:36px;
  border:8px solid #fff;
  background:#fff;
  box-shadow:var(--shadow-lg);
  overflow:hidden;
  transform:rotate(-2.2deg);
  transition:transform .55s cubic-bezier(.22,.8,.3,1);
  position:relative;z-index:3;
}
.hero-visual:hover .phone{transform:rotate(0) translateY(-6px)}
.phone img{width:100%;aspect-ratio:9/16;object-fit:cover}

.float-card{
  position:absolute;z-index:4;
  background:#fff;border-radius:16px;
  padding:12px 16px;
  box-shadow:var(--shadow);
  display:flex;align-items:center;gap:11px;
  font-size:13px;font-weight:800;line-height:1.3;
  animation:floaty 4.6s ease-in-out infinite;
}
.float-card .ico{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.float-card small{display:block;font-size:11.5px;color:var(--ink-3);font-weight:600;margin-top:2px}
.fc1{top:9%;left:-9%;background:#FFF6E6}
.fc1 .ico{background:#FFE4B8}
.fc2{bottom:12%;right:-10%;animation-delay:1.5s}
.fc2 .ico{background:#E6F5EC}
.fc3{bottom:38%;left:-12%;animation-delay:2.6s}
.fc3 .ico{background:#FDE8E6}
@keyframes floaty{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-11px)}
}

.sticker-new{
  position:absolute;top:2%;right:2%;z-index:5;
  width:78px;height:78px;border-radius:50%;
  background:linear-gradient(135deg,#FFD97D,#F5A623);
  color:#fff;font-weight:900;font-size:13px;line-height:1.15;
  display:flex;align-items:center;justify-content:center;text-align:center;
  box-shadow:0 12px 28px rgba(245,166,35,.42);
  transform:rotate(12deg);
  animation:floaty 5.2s ease-in-out infinite;
}

/* ============================================================
   06. 题材矩阵
   ============================================================ */
.genre-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:18px;
}
.genre-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:24px 16px;
  text-align:center;
  box-shadow:var(--shadow-sm);
  transition:transform .3s cubic-bezier(.22,.8,.3,1), box-shadow .3s, border-color .3s;
}
.genre-item:hover{transform:translateY(-6px) rotate(-1deg);box-shadow:var(--shadow);border-color:#FFE2B4}
.genre-item .emo{font-size:30px;display:block;margin-bottom:10px}
.genre-item h4{font-size:15px;font-weight:800;margin-bottom:4px}
.genre-item p{font-size:12.5px;color:var(--ink-3);font-weight:600}

/* ============================================================
   07. 热门短剧
   ============================================================ */
.drama-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.drama-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .34s cubic-bezier(.22,.8,.3,1), box-shadow .34s;
}
.drama-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.drama-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--warm-2)}
.drama-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.8,.3,1)}
.drama-card:hover .drama-cover img{transform:scale(1.07)}
.badge{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:999px;
  font-size:11.5px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#FF9A4D,#F2703B);
  box-shadow:0 5px 14px rgba(242,112,59,.36);
}
.badge.green{background:linear-gradient(135deg,#9BD3B0,#6FB98C);box-shadow:0 5px 14px rgba(111,185,140,.34)}
.badge.blue{background:linear-gradient(135deg,#9CC6E8,#6BA3D6);box-shadow:0 5px 14px rgba(107,163,214,.34)}
.badge.purple{background:linear-gradient(135deg,#C1B0E8,#9C86D6);box-shadow:0 5px 14px rgba(156,134,214,.34)}
.ep-tag{
  position:absolute;bottom:12px;right:12px;
  padding:5px 11px;border-radius:9px;
  font-size:11.5px;font-weight:800;color:#fff;
  background:rgba(59,49,40,.6);backdrop-filter:blur(6px);
}
.drama-body{padding:16px 17px 19px;display:flex;flex-direction:column;flex:1}
.drama-body h3{font-size:16px;font-weight:800;margin-bottom:9px;line-height:1.45}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}
.tag{
  font-size:11.5px;padding:3px 10px;border-radius:999px;
  background:var(--warm-1);color:var(--brand-deep);font-weight:700;
}
.tag.gray{background:#F7F2EA;color:var(--ink-2)}
.drama-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--ink-3);font-weight:600;
  padding-top:12px;border-top:1px dashed var(--line);
}
.drama-foot .hot{color:var(--brand-deep);font-weight:800}

/* ============================================================
   08. 安装步骤
   ============================================================ */
.tab-bar{
  display:flex;justify-content:center;gap:12px;flex-wrap:wrap;
  margin-bottom:44px;
}
.tab-btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  background:#fff;border:1.5px solid var(--line);
  font-size:14.5px;font-weight:800;color:var(--ink);
  box-shadow:var(--shadow-sm);
  transition:all .24s cubic-bezier(.22,.8,.3,1);
}
.tab-btn svg{width:17px;height:17px;flex:none}
.tab-btn:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.tab-btn.active{
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  color:#fff;border-color:transparent;
  box-shadow:0 10px 26px rgba(245,166,35,.36);
}
.tab-btn.active svg{color:#fff}

.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeUp .5s cubic-bezier(.16,1,.3,1)}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:translateY(0)}
}

.steps{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:26px;
  max-width:1040px;margin-inline:auto;
}
.step{
  padding:32px 26px 30px;
  position:relative;
}
.step-num{
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:900;
  background:linear-gradient(135deg,#FFD97D,#F5A623);
  color:#fff;
  box-shadow:0 8px 20px rgba(245,166,35,.32);
  margin-bottom:18px;
}
.step:nth-child(2) .step-num{background:linear-gradient(135deg,#A9DCBC,#7FC8A9);box-shadow:0 8px 20px rgba(127,200,169,.32)}
.step:nth-child(3) .step-num{background:linear-gradient(135deg,#AFD8F2,#8FC3E8);box-shadow:0 8px 20px rgba(143,195,232,.32)}
.step h4{font-size:17px;font-weight:900;margin-bottom:10px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8}
.step code{
  background:var(--warm-1);
  border:1.5px solid var(--line);
  border-radius:7px;
  padding:1px 8px;
  font-size:12.5px;font-weight:800;
  font-family:ui-monospace,Menlo,Consolas,monospace;
  color:var(--brand-deep);
}

.install-tip{
  max-width:1040px;margin:34px auto 0;
  padding:18px 26px;
  background:#EAF8F1;
  border:1px solid #CFEDDD;
  border-radius:var(--radius-sm);
  display:flex;align-items:center;gap:14px;
  font-size:14px;font-weight:700;color:#2A6A52;line-height:1.7;
}
.install-tip .tip-ico{font-size:22px;flex:none}

/* ============================================================
   09. AI 技术亮点
   ============================================================ */
.ai-row{
  display:grid;grid-template-columns:1fr 1fr;
  gap:56px;align-items:center;
  margin-bottom:76px;
}
.ai-row:last-child{margin-bottom:0}
.ai-row.reverse .ai-text{order:2}
.ai-row.reverse .ai-pic{order:1}

.ai-pic{position:relative}
.ai-pic img{
  width:100%;border-radius:26px;
  border:7px solid #fff;
  box-shadow:var(--shadow);
  aspect-ratio:900/620;object-fit:cover;
}
.ai-pic::after{
  content:"";position:absolute;
  inset:-14px -14px 20px 20px;
  border-radius:30px;
  border:2px dashed rgba(245,166,35,.34);
  z-index:-1;
}

.ai-text h3{
  font-size:clamp(21px,2.6vw,30px);
  font-weight:900;letter-spacing:-.4px;
  margin-bottom:14px;line-height:1.35;
}
.ai-text > p{color:var(--ink-2);font-size:15.5px;margin-bottom:22px;line-height:1.85}
.ai-list{display:flex;flex-direction:column;gap:15px}
.ai-list li{display:flex;gap:13px;align-items:flex-start}
.ai-list .check{
  width:24px;height:24px;border-radius:50%;flex:none;margin-top:3px;
  background:linear-gradient(135deg,#A9DCBC,#7FC8A9);
  display:flex;align-items:center;justify-content:center;
}
.ai-list .check svg{width:13px;height:13px;color:#fff}
.ai-list strong{display:block;font-size:15px;font-weight:800;margin-bottom:2px}
.ai-list span{font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ============================================================
   10. 下载中心
   ============================================================ */
.dl-hero{
  background:linear-gradient(135deg,#FFF4E0 0%,#FFE9C6 60%,#FFE1B4 100%);
  border:1px solid #FFE0B0;
  border-radius:28px;
  padding:46px;
  margin-bottom:40px;
  display:grid;grid-template-columns:1fr auto;
  gap:36px;align-items:center;
}
.dl-hero h3{font-size:clamp(20px,2.4vw,27px);font-weight:900;margin-bottom:10px}
.dl-hero p{color:var(--ink-2);font-size:15px;max-width:580px;line-height:1.8}
.dl-qr{text-align:center;flex:none}
.dl-qr img{
  width:134px;height:134px;border-radius:18px;
  background:#fff;padding:9px;box-shadow:var(--shadow);
}
.dl-qr span{display:block;font-size:12.5px;color:var(--ink-2);margin-top:10px;font-weight:700}

.dev-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dev-card{
  background:#fff;border-radius:var(--radius);
  padding:28px 24px 24px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  text-align:center;display:flex;flex-direction:column;
  transition:transform .34s cubic-bezier(.22,.8,.3,1), box-shadow .34s, border-color .34s;
}
.dev-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:#FFDFAC}
.dev-ico{
  width:62px;height:62px;border-radius:20px;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#FFF4E3,#FFE6BF);
  color:var(--brand-deep);
}
.dev-ico svg{width:30px;height:30px}
.dev-card h4{font-size:16.5px;font-weight:900;margin-bottom:7px}
.dev-card p{font-size:13px;color:var(--ink-2);margin-bottom:10px;line-height:1.7}
.dev-size{
  display:inline-block;font-size:11.5px;color:var(--ink-3);font-weight:700;
  background:#F8F3EB;padding:3px 11px;border-radius:999px;margin-bottom:16px;
}
.dev-card .btn{margin-top:auto}

/* ============================================================
   10.5 资质证书
   ============================================================ */
.cert-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.cert-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px 22px;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .34s cubic-bezier(.22,.8,.3,1), box-shadow .34s, border-color .34s;
}
.cert-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:#FFDFAC}

.cert-issuer{
  text-align:center;
  font-size:12px;
  font-weight:800;
  letter-spacing:.4px;
  color:var(--ink);
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
  margin-bottom:16px;
  line-height:1.5;
}

.cert-icon{
  width:58px;height:58px;border-radius:50%;
  margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#FFD97D,#F5A623);
  color:#fff;
  box-shadow:0 8px 20px rgba(245,166,35,.34);
}
.cert-icon svg{width:26px;height:26px}

.cert-card h4{
  font-size:16px;font-weight:900;
  text-align:center;
  letter-spacing:-.3px;
  margin-bottom:5px;
  line-height:1.4;
}
.cert-en{
  font-size:10px;
  text-align:center;
  color:var(--ink-3);
  font-weight:800;
  letter-spacing:1.2px;
  margin-bottom:16px;
}

.cert-detail{
  display:flex;flex-direction:column;gap:10px;
  padding:14px 0;
  border-top:1px dashed var(--line);
  border-bottom:1px dashed var(--line);
  margin-bottom:14px;
  flex:1;
}
.cert-detail div{display:flex;flex-direction:column;gap:2px}
.cert-detail span{
  font-size:10.5px;color:var(--ink-3);font-weight:700;letter-spacing:.2px;
}
.cert-detail strong{
  font-size:12.5px;color:var(--ink);font-weight:800;line-height:1.55;
}

.cert-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.cert-date span{
  display:block;font-size:10.5px;color:var(--ink-3);font-weight:700;margin-bottom:2px;
}
.cert-date strong{
  font-size:13px;color:var(--brand-deep);font-weight:900;
}
.cert-seal{
  width:56px;height:56px;flex:none;
  border-radius:50%;
  border:1.5px solid rgba(214,80,80,.55);
  color:rgba(214,80,80,.82);
  font-size:8px;
  font-weight:900;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  line-height:1.15;
  transform:rotate(-12deg);
  letter-spacing:.2px;
  background:radial-gradient(circle,rgba(255,232,232,.6) 0%,rgba(255,255,255,0) 72%);
  padding:4px;
}

/* ============================================================
   11. 用户评价
   ============================================================ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{padding:28px 26px;display:flex;flex-direction:column}
.review-top{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.review-top img{
  width:52px;height:52px;border-radius:50%;object-fit:cover;flex:none;
  border:2.5px solid #fff;box-shadow:var(--shadow-sm);
  background:var(--warm-2);
}
.review-meta b{display:block;font-size:15px;font-weight:900;margin-bottom:3px}
.stars{font-size:13px;letter-spacing:2px;color:#F5B942}
.review-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin-bottom:18px}
.review-tag{
  margin-top:auto;align-self:flex-start;
  padding:5px 13px;border-radius:999px;
  border:1.5px solid var(--line);
  font-size:11.5px;font-weight:800;color:var(--brand-deep);
  background:var(--warm-1);
}

/* ============================================================
   12. 画面预览
   ============================================================ */
.shots{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:34px;max-width:940px;margin-inline:auto;
  align-items:end;
}
.shot{
  border:7px solid #fff;
  border-radius:28px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-lg);
  aspect-ratio:9/17;
  transition:transform .4s cubic-bezier(.22,.8,.3,1);
}
.shot:nth-child(1){transform:rotate(-3deg) translateY(16px)}
.shot:nth-child(2){transform:rotate(1.5deg) translateY(-16px)}
.shot:nth-child(3){transform:rotate(-2deg) translateY(16px)}
.shot:hover{transform:rotate(0) translateY(-22px) scale(1.02)}
.shot img{width:100%;height:100%;object-fit:cover}

/* ============================================================
   13. FAQ
   ============================================================ */
.faq-wrap{max-width:860px;margin-inline:auto}
details{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .3s, box-shadow .3s;
}
details[open]{border-color:#FFE0B2;box-shadow:var(--shadow-sm)}
summary{
  list-style:none;cursor:pointer;
  padding:20px 24px;
  font-size:15.5px;font-weight:800;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
summary::-webkit-details-marker{display:none}
summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--brand);
  transition:transform .3s;flex:none;line-height:1;
}
details[open] summary::after{transform:rotate(45deg)}
details .ans{
  padding:0 24px 22px;
  font-size:14.5px;color:var(--ink-2);line-height:1.9;
  border-top:1px dashed var(--line);
  padding-top:16px;margin-top:-2px;
}

/* ============================================================
   14. CTA 横幅
   ============================================================ */
.cta-banner{
  background:linear-gradient(135deg,#FFD98F 0%,#F7B34E 55%,#EFA02F 100%);
  border-radius:30px;
  padding:62px 46px;
  text-align:center;
  position:relative;overflow:hidden;
  box-shadow:0 28px 60px rgba(233,163,54,.32);
}
.cta-banner::before,.cta-banner::after{
  content:"";position:absolute;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-banner::before{width:300px;height:300px;top:-130px;left:-80px}
.cta-banner::after{width:230px;height:230px;bottom:-120px;right:-60px}
.cta-banner h2{
  position:relative;
  font-size:clamp(24px,3.2vw,37px);
  font-weight:900;color:#fff;letter-spacing:-.6px;
  margin-bottom:14px;
}
.cta-banner p{position:relative;color:rgba(255,255,255,.94);font-size:16px;margin-bottom:30px}
.cta-banner .btn-white{
  position:relative;
  background:#fff;color:var(--brand-deep);
  padding:15px 38px;font-size:16px;
  box-shadow:0 12px 30px rgba(150,90,10,.25);
}
.cta-banner .btn-white:hover{transform:translateY(-3px)}

/* ============================================================
   15. 页脚
   ============================================================ */
.footer{
  background:#FDF8F0;
  border-top:1px solid var(--line);
  padding:64px 0 30px;
  position:relative;z-index:2;
}
.foot-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;
  gap:38px;margin-bottom:44px;
}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:13.5px;color:var(--ink-2);line-height:1.9;max-width:310px}
.foot-col h5{font-size:14.5px;font-weight:900;margin-bottom:16px}
.foot-col a{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:10px;transition:.25s}
.foot-col a:hover{color:var(--brand-deep);transform:translateX(3px)}
.foot-qr img{
  width:108px;height:108px;border-radius:14px;
  background:#fff;padding:7px;box-shadow:var(--shadow-sm);
}
.foot-qr span{display:block;font-size:12px;color:var(--ink-3);margin-top:9px;font-weight:700}
.foot-bottom{
  border-top:1px solid var(--line);
  padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);font-weight:600;
}
.foot-bottom a{color:var(--ink-3);transition:.2s}
.foot-bottom a:hover{color:var(--brand-deep)}

/* ============================================================
   16. 悬浮元素
   ============================================================ */
.to-top{
  position:fixed;right:26px;bottom:26px;
  width:48px;height:48px;border-radius:50%;
  background:#fff;border:1.5px solid var(--line);
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-deep);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .3s;z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--warm-1);border-color:var(--brand)}
.to-top svg{width:20px;height:20px}

.mobile-bar{
  position:fixed;bottom:0;left:0;right:0;
  padding:12px 16px;
  padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));
  background:rgba(255,251,245,.96);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 24px rgba(190,150,90,.10);
  display:none;justify-content:center;gap:12px;
  z-index:90;
}
.mobile-bar .btn{flex:1;max-width:320px;padding:14px 20px;font-size:15px}

/* ============================================================
   17. 滚动浮现
   ============================================================ */
.reveal{
  opacity:1;
  transform:none;
  transition:opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1);
}
.reveal.in{opacity:1;transform:translateY(0)}

/* ============================================================
   18. 响应式
   ============================================================ */
@media (max-width:1080px){
  .drama-grid,.dev-grid,.cert-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr 1fr;gap:30px}
  .foot-brand{grid-column:1/-1}
}

@media (max-width:900px){
  .menu{display:none}
  .menu-toggle{display:flex}
  .nav-cta .btn-ghost{display:none}

  /* 单列布局下背景改为均匀遮罩，避免文字覆盖在图片细节上 */
  .hero{
    background-image:
      linear-gradient(rgba(255,251,245,.93), rgba(255,251,245,.93)),
      radial-gradient(700px 500px at 88% -10%, rgba(255,214,140,.30) 0%, rgba(255,214,140,0) 60%),
      url('/images/hero-bg.jpg');
    background-position: center, center, center;
  }

  .hero-inner{grid-template-columns:1fr;gap:52px;text-align:center}
  .hero .lead{margin-inline:auto}
  .hero-btns,.hero-meta{justify-content:center}
  .pill{margin-inline:auto}
  .hero-visual{min-height:440px}
  .fc1,.fc3{left:0}
  .fc2{right:0}

  .ai-row{grid-template-columns:1fr;gap:34px;margin-bottom:60px}
  .ai-row.reverse .ai-text{order:1}
  .ai-row.reverse .ai-pic{order:2}

  .dl-hero{grid-template-columns:1fr;text-align:center;padding:38px 26px}
  .dl-qr{margin-inline:auto}

  .section{padding:66px 0}

  .mobile-bar{display:flex}
  body{padding-bottom:86px}

  .shots{gap:22px}
}

@media (max-width:640px){
  .wrap{width:min(1200px, calc(100% - 34px))}
  .review-grid{grid-template-columns:1fr}
  .drama-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .drama-body{padding:12px 12px 14px}
  .drama-body h3{font-size:14px}
  .tag{font-size:10.5px;padding:2px 8px}
  .badge{font-size:10.5px;padding:4px 9px}
  .ep-tag{font-size:10.5px;padding:4px 8px}
  .drama-foot{font-size:11.5px}

  .dev-grid,.cert-grid{grid-template-columns:1fr}
  .genre-grid{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr}

  .phone{max-width:260px}
  .float-card{padding:10px 12px;font-size:12px}
  .float-card .ico{width:32px;height:32px;font-size:15px}
  .sticker-new{width:64px;height:64px;font-size:11px}

  .cta-banner{padding:46px 22px}
  .hero{padding:48px 0 66px}

  .shots{grid-template-columns:1fr;max-width:290px;gap:26px}
  .shot:nth-child(n){transform:rotate(0);}
  .shot:hover{transform:translateY(-10px)}

  .tab-btn{padding:11px 18px;font-size:13.5px}
  .dl-hero{padding:30px 20px}

  .ai-pic::after{display:none}
}