/* ===========================================================
   蜜桃影视 · 站点样式
   风格：蜜桃柔光（奶油粉底 + 蜜桃渐变 + 大圆角 + 柔和阴影）
   =========================================================== */

/* ===== 1. 主题变量（浅色） ===== */
:root{
  --bg:#FFF7F4;
  --bg-elev:#FFF1EA;
  --surface:#FFFFFF;
  --line:#F7E4DD;
  --line-2:#F0D6CC;
  --line-3:#E4C3B7;

  --text:#33201F;
  --text-muted:#7A5F5B;
  --text-faint:#A98C86;

  --peach:#FF7B6B;
  --peach-deep:#E8556F;
  --peach-soft:#FFB59E;
  --violet:#8B5CF6;
  --plum-1:#2B1524;
  --plum-2:#1C0E1A;

  --grad:linear-gradient(135deg,#FFB199 0%,#FF7E8A 46%,#E8556F 100%);
  --grad-soft:linear-gradient(135deg,#FFE3DA 0%,#FFD2D6 100%);
  --grad-live:linear-gradient(135deg,#FF9E7D 0%,#F4517A 100%);
  --rail:linear-gradient(90deg,#FF9E7D 0%,#F4517A 48%,#A855F7 100%);
  --rail-v:linear-gradient(180deg,#FF9E7D 0%,#F4517A 100%);
  --text-grad:linear-gradient(115deg,#E8556F 0%,#FF7E6B 42%,#A855F7 100%);

  --radius:14px;
  --radius-lg:22px;
  --radius-xl:30px;
  --shadow:0 18px 40px -26px rgba(140,74,84,.5);
  --shadow-lg:0 34px 70px -34px rgba(140,74,84,.55);

  --header-bg:rgba(255,247,244,.86);
  --footer-bg:rgba(255,255,255,.62);
  --glow:rgba(255,123,107,.35);
  color-scheme:light;
}

/* ===== 1b. 主题变量（黑夜：底色转深，蜜桃色提亮） ===== */
[data-theme="dark"]{
  --bg:#141013;
  --bg-elev:#1B1519;
  --surface:#221A1F;
  --line:#2C2328;
  --line-2:#382C32;
  --line-3:#4A3A41;

  --text:#F8F0ED;
  --text-muted:#C3ACA6;
  --text-faint:#907B78;

  --peach:#FF9384;
  --peach-deep:#FF7C95;
  --peach-soft:#C9806F;
  --violet:#B18CFF;

  --grad:linear-gradient(135deg,#FF9C86 0%,#F9748C 46%,#E0526F 100%);
  --grad-soft:linear-gradient(135deg,#3A2A2C 0%,#33232B 100%);
  --grad-live:linear-gradient(135deg,#FF9C86 0%,#F9748C 100%);
  --rail:linear-gradient(90deg,#FF9C86 0%,#F9748C 48%,#B18CFF 100%);
  --rail-v:linear-gradient(180deg,#FF9C86 0%,#F9748C 100%);
  --text-grad:linear-gradient(115deg,#FF8FA0 0%,#FFA184 42%,#B18CFF 100%);

  --shadow:0 18px 40px -26px rgba(0,0,0,.8);
  --shadow-lg:0 34px 70px -34px rgba(0,0,0,.85);

  --header-bg:rgba(20,16,19,.88);
  --footer-bg:rgba(255,255,255,.03);
  --glow:rgba(255,147,132,.38);
  color-scheme:dark;
}

/* ===== 2. 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(ellipse 78% 46% at 100% 0%, rgba(255,123,107,.14), transparent 56%),
    radial-gradient(ellipse 62% 42% at 0% 8%, rgba(168,85,247,.07), transparent 52%),
    radial-gradient(ellipse 70% 40% at 50% 100%, rgba(255,158,125,.12), transparent 58%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* 极淡的点阵纹理，增加质感又不抢内容 */
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:radial-gradient(rgba(232,85,111,.09) 1.5px, transparent 1.6px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg,#000 0%,#000 40%,transparent 100%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 40%,transparent 100%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{width:1.1em;height:1.1em;flex:none;}
:focus-visible{outline:3px solid var(--peach);outline-offset:3px;}

/* ===== 3. 通用布局 ===== */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:74px 0;position:relative;z-index:1;}
.section.pb-0{padding-bottom:0;}
.section.pt-0{padding-top:0;}
.section.tint{background:linear-gradient(180deg,rgba(255,241,234,0),var(--bg-elev) 22%,var(--bg-elev) 78%,rgba(255,241,234,0));}
section[id],main[id],div[id]{scroll-margin-top:96px;}
#top{scroll-margin-top:0;}

/* 区块标题：左侧渐变竖条 + 左对齐（沿用参考站排版节奏） */
.section-head{
  max-width:760px;margin:0 0 38px;padding-left:16px;
  border-left:3px solid transparent;border-image:var(--rail-v) 1;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:5px 13px;border-radius:999px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;
  color:var(--peach-deep);
  background:var(--surface);
  border:1px solid var(--line-2);
  box-shadow:0 8px 18px -14px var(--glow);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grad);}
.section-title{font-size:clamp(25px,3.2vw,35px);font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--text);}
.section-sub{margin-top:12px;color:var(--text-muted);font-size:16px;}
.grad-text{
  background:var(--text-grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* ===== 4. 按钮（圆角胶囊 + 蜜桃渐变 + 柔光投影） ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  min-height:50px;padding:0 2rem;border:1px solid transparent;
  border-radius:999px;
  font-weight:700;letter-spacing:.03em;font-size:14.5px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:none;}
.btn-primary{
  background-image:var(--grad);
  color:#fff;
  box-shadow:0 14px 30px -14px var(--glow), inset 0 1px rgba(255,255,255,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px -16px var(--glow), inset 0 1px rgba(255,255,255,.45);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:var(--surface);color:var(--text);border-color:var(--line-3);
}
.btn-ghost:hover{border-color:var(--peach);color:var(--peach-deep);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 1.3rem;font-size:13px;}
.btn-lg{min-height:56px;padding:0 2.4rem;font-size:16px;}

/* ===== 5. 卡片：大圆角 + 渐显描边 + 柔光 ===== */
.card{
  position:relative;padding:30px 26px 26px;
  background:var(--surface);
  border:1px solid var(--line-2);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--rail);opacity:0;transition:opacity .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,123,107,.5);box-shadow:0 26px 50px -30px rgba(140,74,84,.6);}
.card:hover::after{opacity:1;}

/* ===== 6. 顶部导航 ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:var(--header-bg);
  backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line-2);
  transition:box-shadow .25s ease;
}
.header.is-scrolled{box-shadow:0 12px 32px -24px rgba(140,74,84,.7);}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:var(--text);}
.logo-img{
  width:44px;height:44px;flex:none;overflow:hidden;
  border-radius:14px;
  background:var(--surface);
  box-shadow:0 10px 22px -14px var(--glow);
}
.logo-img img{width:100%;height:100%;object-fit:cover;}
.logo small{display:block;font-size:11px;letter-spacing:.14em;color:var(--text-faint);font-weight:600;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{font-size:14.5px;color:var(--text-muted);font-weight:600;transition:color .2s ease;}
.nav-links a:hover{color:var(--peach-deep);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.theme-toggle{
  width:40px;height:40px;flex:none;display:grid;place-items:center;padding:0;
  color:var(--text);background:var(--surface);
  border:1px solid var(--line-3);border-radius:12px;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.theme-toggle:hover{border-color:rgba(255,123,107,.6);color:var(--peach-deep);box-shadow:0 0 18px var(--glow);}
.theme-toggle svg{width:19px;height:19px;display:block;}
.theme-toggle .icon-moon{display:none;}
[data-theme="dark"] .theme-toggle .icon-sun{display:none;}
[data-theme="dark"] .theme-toggle .icon-moon{display:block;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line-2);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-menu{
  display:none;position:fixed;inset:72px 0 auto;z-index:49;
  background:var(--surface);border-bottom:1px solid var(--line-2);
  box-shadow:var(--shadow);padding:16px 24px 24px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu a{display:block;padding:13px 0;font-size:15.5px;color:var(--text-muted);border-bottom:1px solid var(--line);}
.mobile-menu .btn{width:100%;margin-top:18px;}

/* ===== 7. Hero ===== */
.hero{position:relative;padding:126px 0 64px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,158,125,.32),transparent 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-180px;left:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,85,247,.16),transparent 70%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative;z-index:1;}
.hero h1{font-size:clamp(31px,4.5vw,52px);font-weight:800;line-height:1.16;letter-spacing:-.02em;color:var(--text);}
.hero-sub{margin-top:20px;font-size:17px;color:var(--text-muted);max-width:540px;}
.hero-slogan{margin-top:20px;display:inline-flex;align-items:center;gap:12px;font-size:15.5px;font-weight:600;color:var(--peach-deep);}
.hero-slogan::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--rail);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.hero-tags li{
  font-size:13.5px;color:var(--text);padding:7px 15px;
  background:var(--surface);border:1px solid var(--line-2);border-radius:999px;
  box-shadow:0 10px 20px -18px rgba(140,74,84,.8);
}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-faint);}

/* 主视觉：竖向手机框 + 光晕 + 指示条 */
.hero-devices{position:relative;padding:34px 0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
.hero-devices::before{
  content:"";position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);
  width:460px;height:460px;border-radius:50%;pointer-events:none;filter:blur(6px);
  background:
    radial-gradient(circle at 32% 30%, rgba(255,158,125,.42), transparent 62%),
    radial-gradient(circle at 70% 74%, rgba(168,85,247,.28), transparent 62%);
}
.device-group{display:flex;flex-direction:column;align-items:center;position:relative;z-index:2;}
.device-frame{
  position:relative;z-index:2;width:338px;padding:16px;
  background:linear-gradient(160deg,#FFFFFF,#FFF1EA);
  border:1px solid var(--line-2);
  border-radius:38px;
  box-shadow:0 40px 80px -34px rgba(140,74,84,.6), 0 0 0 8px rgba(255,255,255,.55);
}
[data-theme="dark"] .device-frame{background:linear-gradient(160deg,#2A2027,#221A1F);box-shadow:0 40px 80px -34px rgba(0,0,0,.9), 0 0 0 8px rgba(255,255,255,.04);}
.device-frame .slide-stack{
  position:relative;width:100%;aspect-ratio:9 / 16;overflow:hidden;border-radius:24px;background:var(--bg-elev);
}
.phone-slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;}
.phone-slide.is-active{opacity:1;}
.device-frame .phone-slide img{width:100%;height:100%;object-fit:cover;display:block;}
.carousel-dots{margin-top:22px;display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;}
.carousel-dots .dot-bar{
  width:22px;height:4px;border-radius:999px;padding:0;border:0;
  background:var(--line-3);cursor:pointer;
  transition:width .3s ease,background .3s ease;
}
.carousel-dots .dot-bar.is-active{width:38px;background-image:var(--rail);}

/* ===== 8. 平台支持条 ===== */
.platform-bar{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--surface);border:1px solid var(--line-2);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;
}
.platform-item{padding:24px 20px;text-align:center;border-right:1px solid var(--line);}
.platform-item:last-child{border-right:none;}
.platform-item .p-name{font-size:16.5px;font-weight:800;color:var(--text);}
.platform-item .p-desc{margin-top:4px;font-size:13.5px;color:var(--text-faint);}

/* ===== 9. 核心功能 ===== */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.feature-num{
  position:absolute;top:10px;right:18px;
  font-size:2.4rem;font-weight:800;line-height:1;letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(180deg,rgba(232,85,111,.5),rgba(168,85,247,.16));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  pointer-events:none;user-select:none;
}
.feature-icon{
  width:46px;height:46px;margin:6px 0 18px;display:grid;place-items:center;
  color:var(--peach-deep);background:rgba(255,123,107,.11);
  border:1px solid rgba(255,123,107,.36);border-radius:14px;
  box-shadow:inset 0 1px rgba(255,255,255,.6);
}
.feature-icon svg{width:22px;height:22px;}
.feature-title{font-size:19px;font-weight:800;color:var(--text);}
.feature-desc{margin-top:10px;color:var(--text-muted);font-size:15px;}
.feature-desc a{color:var(--peach-deep);font-weight:600;border-bottom:1px solid rgba(232,85,111,.35);}
.feature-desc a:hover{border-bottom-color:var(--peach-deep);}
.feature-line{margin-top:20px;height:1px;border-radius:1px;background:linear-gradient(90deg,rgba(255,123,107,.7),transparent);}

/* ===== 10. 直播互动（深色蜜桃夜场） ===== */
.live{
  position:relative;overflow:hidden;
  padding:54px 50px;border-radius:var(--radius-xl);
  background:
    radial-gradient(circle at 12% 6%, rgba(255,123,107,.55), transparent 55%),
    radial-gradient(circle at 88% 94%, rgba(168,85,247,.45), transparent 58%),
    linear-gradient(150deg,var(--plum-1) 0%,var(--plum-2) 100%);
  color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:42px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.live-copy{position:relative;z-index:1;}
.eyebrow-light{
  color:#FFD9C9;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);
}
.eyebrow-light .dot{background:linear-gradient(135deg,#FFB199,#F4517A);}
.live-title{font-size:clamp(23px,3vw,33px);font-weight:800;line-height:1.3;letter-spacing:-.01em;}
.live-sub{margin-top:14px;color:rgba(255,255,255,.78);font-size:16px;}
.live-sub a{color:#FFD9C9;font-weight:600;border-bottom:1px solid rgba(255,217,201,.45);}
.live-sub a:hover{border-bottom-color:#FFD9C9;}
.live-list{position:relative;z-index:1;display:grid;gap:12px;}
.live-list li{
  display:flex;align-items:flex-start;gap:15px;
  padding:16px 18px;border-radius:18px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  transition:background .2s ease, transform .2s ease;
}
.live-list li:hover{background:rgba(255,255,255,.16);transform:translateX(4px);}
.l-icon{
  width:42px;height:42px;flex:none;border-radius:13px;display:grid;place-items:center;color:#fff;
  background:var(--grad-live);box-shadow:0 14px 24px -16px rgba(244,81,122,.95);
}
.l-icon svg{width:20px;height:20px;}
.live-list b{display:block;font-size:16px;font-weight:800;}
.live-list small{display:block;color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.65;}
.live-note{
  position:relative;z-index:1;grid-column:1 / -1;margin-top:2px;
  padding-top:16px;border-top:1px dashed rgba(255,255,255,.2);
  font-size:12.5px;color:rgba(255,255,255,.62);
}

/* ===== 11. 界面预览 ===== */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.shot{margin:0;text-align:center;transition:transform .2s ease;}
.shot .phone{
  position:relative;width:100%;padding:8px;border-radius:26px;
  background:var(--surface);border:1px solid var(--line-2);
  box-shadow:var(--shadow);overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.shot .phone img{width:100%;height:auto;border-radius:19px;display:block;}
.shot:hover{transform:translateY(-5px);}
.shot:hover .phone{border-color:rgba(255,123,107,.55);box-shadow:0 28px 54px -28px rgba(140,74,84,.65);}
.shot figcaption{margin-top:14px;font-size:14px;color:var(--text-muted);}
.shot figcaption b{color:var(--text);font-weight:700;}
.swipe-hint{display:none;margin-top:6px;text-align:center;font-size:12.5px;color:var(--text-faint);}

/* ===== 12. 常见问题 ===== */
.faq{display:grid;gap:12px;width:100%;}
.faq-item{
  position:relative;background:var(--surface);
  border:1px solid var(--line-2);border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--rail-v);opacity:0;transition:opacity .22s ease;
}
.faq-item.is-open{border-color:rgba(255,123,107,.55);box-shadow:0 20px 40px -30px rgba(140,74,84,.7);}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 20px;background:none;border:none;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--text);position:relative;z-index:1;
}
.faq-q .icon{
  position:relative;width:28px;height:28px;flex:none;border-radius:50%;
  background:var(--bg-elev);border:1px solid rgba(255,123,107,.42);
  transition:background .22s ease,border-color .22s ease;
}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  background:var(--peach-deep);border-radius:2px;transition:transform .22s ease,opacity .22s ease,background .22s ease;
}
.faq-q .icon::before{width:11px;height:2px;}
.faq-q .icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-q .icon{background-image:var(--grad);border-color:transparent;}
.faq-item.is-open .faq-q .icon::before,.faq-item.is-open .faq-q .icon::after{background:#fff;}
.faq-item.is-open .faq-q .icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .34s ease, opacity .28s ease;}
.faq-a-inner{overflow:hidden;min-height:0;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;opacity:1;}
.faq-a p{
  color:var(--text-muted);font-size:15px;padding:14px 20px 18px;
  border-top:1px solid var(--line);
}
.faq-a a,.about a{color:var(--peach-deep);font-weight:600;border-bottom:1px solid rgba(232,85,111,.35);}
.faq-a a:hover,.about a:hover{border-bottom-color:var(--peach-deep);}

/* ===== 13. 关于 ===== */
.about{
  position:relative;padding:32px 30px;
  background:var(--bg-elev);border:1px solid var(--line-2);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;
}
.about::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--rail);opacity:.85;}
.about h2{font-size:21px;font-weight:800;color:var(--text);}
.about-grid{margin-top:12px;}
.about p{color:var(--text-muted);font-size:15px;line-height:1.9;}
.about p + p{margin-top:10px;}
@media (min-width:900px){
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;}
  .about p + p{margin-top:0;}
}

/* ===== 14. 相关关键词（内链区块） ===== */
.kw-band{
  padding:28px 30px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line-2);
  box-shadow:var(--shadow);
}
.kw-band h2{font-size:19px;font-weight:800;color:var(--text);}
.kw-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.kw-list a{
  font-size:13.5px;color:var(--text-muted);font-weight:600;
  padding:6px 14px;border-radius:999px;
  background:var(--bg-elev);border:1px solid var(--line-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.kw-list a:hover{color:var(--peach-deep);border-color:rgba(255,123,107,.55);background:var(--surface);}

/* ===== 14b. 常见搜索（关键词入口卡片） ===== */
.ask-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.ask{
  display:flex;flex-direction:column;
  padding:24px 22px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line-2);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.ask:hover{transform:translateY(-4px);border-color:rgba(255,123,107,.5);box-shadow:0 24px 46px -30px rgba(140,74,84,.62);}
.ask h3{font-size:16.5px;font-weight:800;color:var(--text);}
.ask p{margin-top:9px;color:var(--text-muted);font-size:14.5px;line-height:1.85;}
.ask .more{
  margin-top:auto;padding-top:14px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:700;color:var(--peach-deep);
}
.ask .more::after{content:"\2192";transition:transform .2s ease;}
.ask:hover .more::after{transform:translateX(3px);}
@media (max-width:1080px){.ask-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:620px){.ask-grid{grid-template-columns:1fr;gap:14px;}}

/* ===== 15. 下载 CTA ===== */
.cta-band{
  position:relative;padding:52px 46px;text-align:center;overflow:hidden;
  background:linear-gradient(135deg,rgba(255,123,107,.12),var(--bg-elev) 46%,rgba(168,85,247,.09));
  border:1px solid var(--line-2);border-radius:var(--radius-xl);box-shadow:var(--shadow);
}
.cta-band::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--rail);opacity:.9;}
.cta-band h2{
  font-size:clamp(23px,3vw,33px);font-weight:800;letter-spacing:-.01em;
  background:var(--text-grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.cta-band p{margin-top:12px;color:var(--text-muted);font-size:16px;}
.cta-band p a{color:var(--peach-deep);font-weight:600;border-bottom:1px solid rgba(232,85,111,.35);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px;}
.cta-note{margin-top:16px;font-size:12.5px;color:var(--text-faint);}

/* ===== 16. 底部 ===== */
.footer{
  margin-top:70px;padding:52px 0 30px;
  border-top:1px solid var(--line-2);
  background:var(--footer-bg);position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;}
.footer-brand p{margin-top:14px;color:var(--text-faint);font-size:14.5px;max-width:330px;}
.footer h3{margin:0 0 14px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--text);font-weight:800;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:var(--text-muted);font-size:14.5px;transition:color .2s ease;}
.footer-links a:hover{color:var(--peach-deep);}
.footer-bottom{
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  color:var(--text-faint);font-size:13.5px;
}
.footer-bottom a:hover{color:var(--peach-deep);}

/* ===== 17. 下载弹窗 ===== */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:24px;}
.modal.is-open{display:flex;}
.modal-overlay{position:absolute;inset:0;background:rgba(43,21,36,.5);backdrop-filter:blur(4px);}
.modal-box{
  position:relative;width:100%;max-width:520px;padding:32px 30px 28px;
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius-lg);
  box-shadow:0 30px 70px -30px rgba(43,21,36,.65);
  animation:modalIn .24s ease;
}
.modal-box::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--rail);border-radius:var(--radius-lg) var(--radius-lg) 0 0;}
@keyframes modalIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.modal-box h3{font-size:21px;font-weight:800;}
.modal-sub{margin-top:8px;color:var(--text-muted);font-size:14.5px;}
.modal-close{
  position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;
  background:var(--bg-elev);border:1px solid var(--line-2);
  display:grid;place-items:center;font-size:17px;color:var(--text-muted);
  transition:color .2s ease,border-color .2s ease;
}
.modal-close:hover{color:var(--peach-deep);border-color:var(--peach);}
.platform-list{display:grid;gap:10px;margin-top:22px;}
.platform{
  display:flex;align-items:center;gap:14px;padding:15px 17px;
  background:var(--bg-elev);border:1px solid var(--line-2);border-radius:16px;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.platform:hover{border-color:rgba(255,123,107,.55);background:var(--surface);transform:translateX(3px);}
.platform .p-icon{
  width:40px;height:40px;flex:none;display:grid;place-items:center;border-radius:12px;
  color:var(--peach-deep);background:rgba(255,123,107,.12);border:1px solid rgba(255,123,107,.36);
}
.platform .p-icon svg{width:20px;height:20px;}
.platform b{display:block;font-size:15.5px;color:var(--text);}
.platform small{color:var(--text-faint);font-size:13px;}
.platform .p-arrow{margin-left:auto;color:var(--peach);font-size:17px;}
.modal-foot{margin-top:18px;font-size:13px;color:var(--text-faint);text-align:center;}
.modal-foot a{color:var(--peach-deep);font-weight:600;}

/* ===== 18. 文章页（内链页共用） ===== */
.post{max-width:820px;margin:0 auto;padding:118px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-faint);margin-bottom:18px;}
.breadcrumb a{color:var(--text-muted);font-weight:600;}
.breadcrumb a:hover{color:var(--peach-deep);}
.post-header{padding-left:16px;border-left:3px solid transparent;border-image:var(--rail-v) 1;}
.post-badge{
  display:inline-block;margin-bottom:12px;padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.14em;font-weight:700;
  color:var(--peach-deep);background:var(--surface);border:1px solid var(--line-2);
}
.post-title{font-size:clamp(24px,3.6vw,34px);font-weight:800;line-height:1.32;letter-spacing:-.01em;color:var(--text);}
.post-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px 22px;color:var(--text-faint);font-size:13.5px;}
.post-body{
  margin-top:30px;padding:34px 32px 30px;
  background:var(--surface);border:1px solid var(--line-2);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
}
.post-body > * + *{margin-top:16px;}
.post-body h2{
  font-size:19px;font-weight:800;color:var(--text);
  margin-top:30px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:baseline;gap:10px;
}
.post-body h2::before{content:"";flex:none;width:12px;height:2px;border-radius:2px;background:var(--rail);transform:translateY(-4px);}
.post-body h2:first-child{margin-top:0;padding-top:0;border-top:none;}
.post-body h3{font-size:16.5px;font-weight:800;color:var(--text);margin-top:22px;}
.post-body p,.post-body li{color:var(--text-muted);font-size:15.5px;line-height:1.9;}
.post-body strong{color:var(--text);font-weight:700;}
.post-body a{color:var(--peach-deep);font-weight:600;border-bottom:1px solid rgba(232,85,111,.35);}
.post-body a:hover{border-bottom-color:var(--peach-deep);}
.post-body ul,.post-body ol{display:grid;gap:8px;padding-left:2px;}
.post-body ul li{position:relative;padding-left:17px;}
.post-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--peach);}
.post-body ol{counter-reset:step;}
.post-body ol li{position:relative;padding-left:32px;counter-increment:step;}
.post-body ol li::before{
  content:counter(step);position:absolute;left:0;top:.42em;
  width:20px;height:20px;display:grid;place-items:center;border-radius:50%;
  font-size:11.5px;font-weight:800;color:#fff;background-image:var(--grad);
}
.post-body blockquote{
  margin-top:20px;padding:16px 18px;border-radius:14px;
  background:var(--bg-elev);border:1px solid var(--line-2);border-left:3px solid var(--peach);
  font-size:14.5px;color:var(--text-muted);
}
.post-faq{margin-top:34px;}
.post-faq h2{font-size:20px;font-weight:800;margin-bottom:16px;}
.related{margin-top:40px;}
.related h2{font-size:20px;font-weight:800;margin-bottom:16px;}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.related-list a{
  display:block;padding:18px 20px;border-radius:16px;
  background:var(--surface);border:1px solid var(--line-2);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.related-list a:hover{transform:translateY(-3px);border-color:rgba(255,123,107,.5);box-shadow:var(--shadow);}
.related-list b{display:block;font-size:15.5px;font-weight:800;color:var(--text);}
.related-list small{display:block;margin-top:6px;font-size:13px;color:var(--text-faint);line-height:1.6;}
.post-cta{
  margin-top:34px;padding:28px 30px;border-radius:var(--radius-lg);text-align:center;
  background:linear-gradient(135deg,rgba(255,123,107,.12),var(--bg-elev) 50%,rgba(168,85,247,.09));
  border:1px solid var(--line-2);
}
.post-cta h2{font-size:19px;font-weight:800;}
.post-cta p{margin-top:10px;color:var(--text-muted);font-size:14.5px;}
.post-cta .btn{margin-top:18px;}

/* ===== 19. 滚动进场动画 ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ===== 20. 响应式 ===== */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .hero-devices{max-width:620px;margin:0 auto;width:100%;}
  .features{grid-template-columns:repeat(2,1fr);}
  .live{grid-template-columns:1fr;padding:44px 34px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:820px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta .theme-toggle{display:none;}
  .section{padding:52px 0;}
  .hero{padding:106px 0 46px;}
  .section-head{margin-bottom:30px;}
  .hero-devices{padding:12px 0 4px;}
  .hero-devices::before{width:340px;height:340px;}
  .gallery{
    display:flex;gap:16px;overflow-x:auto;
    padding:4px 2px 16px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .gallery .shot{flex:0 0 min(56%,220px);scroll-snap-align:center;}
  .gallery::-webkit-scrollbar{height:5px;}
  .gallery::-webkit-scrollbar-thumb{background:rgba(255,123,107,.45);border-radius:999px;}
  .swipe-hint{display:block;}
  .cta-band{padding:40px 22px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a p{padding:12px 18px 16px;}
  .footer{margin-top:50px;padding:42px 0 26px;}
  .post{padding-top:100px;}
  .related-list{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;margin-top:26px;padding-top:18px;}
}
@media (max-width:620px){
  .wrap{padding:0 18px;}
  .card{padding:24px 20px 22px;}
  .features{grid-template-columns:1fr;gap:14px;}
  .device-frame{width:292px;padding:13px;border-radius:32px;}
  .device-frame .slide-stack{border-radius:21px;}
  .platform-bar{grid-template-columns:1fr 1fr;}
  .platform-item:nth-child(1){border-bottom:1px solid var(--line);}
  .platform-item:nth-child(2){border-right:none;border-bottom:1px solid var(--line);}
  .platform-item:nth-child(3){grid-column:1 / -1;border-right:none;}
  .platform-item{padding:20px 14px;}
  .live{padding:36px 22px;border-radius:var(--radius-lg);}
  .gallery .shot{flex:0 0 min(62%,210px);}
  .cta-actions .btn{width:100%;}
  .about{padding:24px 20px;}
  .kw-band{padding:22px 20px;}
  /* 移动端底部：品牌整行，两个链接分组并排成两列 */
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px 16px;}
  .footer-brand{grid-column:1 / -1;}
  .post-body{padding:24px 20px 22px;}
  .btn-lg{width:100%;}
}

/* ===== 21. 动效降级 ===== */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}