/* ============================================================
   配好音官网 · 全局样式
   品牌：配好音 Peihaoyin — 专业智能配音平台
   主色取自产品端 #2B6CF6
   ============================================================ */

:root{
  --brand:#2B6CF6;
  --brand-dark:#1B4FD0;
  --brand-light:#5A8FFA;
  --violet:#6A3DF5;
  --cyan:#0EA5E9;
  --ink:#0F1B2D;
  --ink-2:#3D4C63;
  --ink-3:#66788F;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FD;
  --bg-soft-2:#EAF1FB;
  --dark:#0A1020;
  --dark-2:#101A30;
  --dark-3:#16233F;
  --line:#E4EAF3;
  --grad:linear-gradient(120deg,#2B6CF6 0%,#6A3DF5 100%);
  --grad-text:linear-gradient(100deg,#2B6CF6 10%,#6A3DF5 60%,#0EA5E9 100%);
  --shadow-sm:0 1px 2px rgba(15,27,45,.05),0 4px 14px rgba(15,27,45,.06);
  --shadow-md:0 10px 32px rgba(15,27,45,.10);
  --shadow-lg:0 24px 64px rgba(15,27,45,.16);
  --shadow-brand:0 12px 32px rgba(43,108,246,.28);
  --r-sm:10px;--r-md:16px;--r-lg:22px;--r-xl:28px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --header-h:68px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  font-size:16px;line-height:1.75;
  color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:rgba(43,108,246,.18)}

/* ---------- 布局工具 ---------- */
.container{width:min(1140px,calc(100% - 48px));margin-inline:auto}
.section{padding:88px 0;position:relative}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--dark);color:#fff}
.section-head{max-width:720px;margin-bottom:52px}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.section-head.center .eyebrow::before{display:none}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(1.55rem,3vw,2.3rem);margin-bottom:16px}
.section-head p{color:var(--ink-2);font-size:17px}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;border-radius:14px;
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:transform .22s cubic-bezier(.34,1.56,.64,1),box-shadow .22s,background .22s,color .22s;
}
.btn:active{transform:scale(.97)}
.btn--primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-brand)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(43,108,246,.36)}
.btn--ghost{border:1.5px solid var(--line);color:var(--ink);background:#fff}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--on-dark{border:1.5px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
.btn--on-dark:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn--lg{height:56px;padding:0 34px;font-size:17px;border-radius:16px}
.btn--sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn--block{width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(15,27,45,.05)}
.nav-inner{display:flex;align-items:center;gap:36px;width:min(1140px,calc(100% - 48px));margin-inline:auto}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;gap:2.5px;
  box-shadow:0 6px 16px rgba(43,108,246,.35);flex-shrink:0;
}
.logo-mark i{display:block;width:3.5px;border-radius:3px;background:#fff}
.logo-mark i:nth-child(1){height:12px}
.logo-mark i:nth-child(2){height:19px}
.logo-mark i:nth-child(3){height:14px}
.logo-mark i:nth-child(4){height:22px}
.logo-mark i:nth-child(5){height:9px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:19px;font-weight:800;letter-spacing:.02em}
.logo-text span{font-size:9.5px;letter-spacing:.22em;color:var(--ink-3);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:8px 14px;border-radius:9px;font-size:15px;color:var(--ink-2);font-weight:500;
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--brand);background:var(--bg-soft-2)}
.nav-links a.active{color:var(--brand);font-weight:600;background:var(--bg-soft-2)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;position:relative;z-index:110}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .3s,opacity .3s;position:absolute;left:11px;
}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{
  display:none;position:fixed;inset:var(--header-h) 0 auto 0;z-index:99;
  background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
  padding:14px 24px 22px;
}
.mobile-menu a{display:block;padding:13px 6px;font-size:16px;font-weight:500;border-bottom:1px solid var(--bg-soft)}
.mobile-menu a:last-of-type{border-bottom:none}
.mobile-menu .btn{margin-top:14px}

/* ---------- Hero（首页 · 深色） ---------- */
.hero{
  position:relative;padding:calc(var(--header-h) + 84px) 0 96px;
  background:linear-gradient(168deg,#0A1020 0%,#0D1730 46%,#14204A 100%);
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-260px;right:-180px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,108,246,.34) 0%,transparent 66%);
}
.hero::after{
  content:"";position:absolute;bottom:-320px;left:-200px;width:680px;height:680px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,61,245,.26) 0%,transparent 66%);
}
.hero-grid-bg{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 75%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:99px;font-size:13.5px;font-weight:500;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#DCE7FB;margin-bottom:26px;backdrop-filter:blur(6px);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#3DDC84;box-shadow:0 0 12px #3DDC84;animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(2.3rem,4.6vw,3.7rem);line-height:1.18;font-weight:800;letter-spacing:-.015em;margin-bottom:22px}
.hero-sub{font-size:18px;color:#B9C6DE;max-width:540px;margin-bottom:20px}
.hero-sub strong{color:#fff;font-weight:600}
.hero-platforms{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.hero-platforms span{
  display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:99px;font-size:13.5px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:#C9D6EC;
}
.hero-platforms svg{width:15px;height:15px;stroke:#7FA8F5}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:54px}
.hero-stats{display:grid;grid-template-columns:repeat(4,auto);gap:44px;justify-content:start}
.hero-stats .stat b{
  display:block;font-size:clamp(1.7rem,2.6vw,2.35rem);font-weight:800;line-height:1.1;
  background:linear-gradient(180deg,#fff,#A9C3F5);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-stats .stat span{font-size:13.5px;color:#8FA1BF}

/* Hero 波形装饰 */
.hero-wave{display:flex;align-items:center;gap:5px;height:56px;margin-bottom:40px}
.hero-wave i{
  width:5px;border-radius:4px;background:linear-gradient(180deg,#5A8FFA,#6A3DF5);
  animation:wave 1.4s ease-in-out infinite;opacity:.9;
}
@keyframes wave{0%,100%{transform:scaleY(.35)}50%{transform:scaleY(1)}}

/* Hero 右侧：配音工作台示意卡 */
.mockup{
  position:relative;border-radius:var(--r-xl);background:#0E1830;
  border:1px solid rgba(255,255,255,.12);box-shadow:0 40px 90px rgba(2,8,23,.6);
  overflow:hidden;transform:rotate(1.2deg);
}
.mockup-bar{display:flex;align-items:center;gap:7px;padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.03)}
.mockup-bar i{width:10px;height:10px;border-radius:50%;background:#FF5F57}
.mockup-bar i:nth-child(2){background:#FEBC2E}
.mockup-bar i:nth-child(3){background:#28C840}
.mockup-bar em{font-style:normal;font-size:12px;color:#7C8DAC;margin-left:8px}
.mockup-body{padding:22px}
.mockup-label{font-size:11.5px;color:#7C8DAC;letter-spacing:.08em;margin-bottom:10px;font-weight:600}
.mockup-text{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;
  padding:16px 18px;font-size:14.5px;line-height:1.9;color:#DCE7FB;min-height:96px;
}
.mockup-text .caret{display:inline-block;width:2px;height:1em;background:#5A8FFA;vertical-align:-2px;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.mockup-anchors{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}
.mockup-anchor{
  border-radius:12px;padding:11px 12px;text-align:center;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);
  font-size:12.5px;color:#A9B8D4;transition:.2s;
}
.mockup-anchor.on{background:rgba(43,108,246,.22);border-color:rgba(90,143,250,.55);color:#fff}
.mockup-anchor b{display:block;font-size:13.5px;margin-bottom:5px}
.mockup-anchor .mini-wave{display:flex;align-items:center;justify-content:center;gap:2.5px;height:16px}
.mockup-anchor .mini-wave i{width:3px;border-radius:2px;background:#5A8FFA}
.mockup-anchor.on .mini-wave i{background:#8FB4FF;animation:wave 1s ease-in-out infinite}
.mockup-anchor:nth-child(1) .mini-wave i:nth-child(1){height:7px}.mockup-anchor:nth-child(1) .mini-wave i:nth-child(2){height:13px}.mockup-anchor:nth-child(1) .mini-wave i:nth-child(3){height:9px}.mockup-anchor:nth-child(1) .mini-wave i:nth-child(4){height:15px}
.mockup-anchor:nth-child(2) .mini-wave i:nth-child(1){height:12px}.mockup-anchor:nth-child(2) .mini-wave i:nth-child(2){height:8px}.mockup-anchor:nth-child(2) .mini-wave i:nth-child(3){height:14px}.mockup-anchor:nth-child(2) .mini-wave i:nth-child(4){height:10px}
.mockup-anchor:nth-child(3) .mini-wave i:nth-child(1){height:9px}.mockup-anchor:nth-child(3) .mini-wave i:nth-child(2){height:15px}.mockup-anchor:nth-child(3) .mini-wave i:nth-child(3){height:7px}.mockup-anchor:nth-child(3) .mini-wave i:nth-child(4){height:12px}
.mockup-play{display:flex;align-items:center;gap:14px;margin-top:6px}
.play-btn{
  width:46px;height:46px;border-radius:50%;background:var(--grad);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-brand);
}
.play-btn svg{width:17px;height:17px;fill:#fff;margin-left:2px}
.progress{flex:1}
.progress-track{height:6px;border-radius:4px;background:rgba(255,255,255,.12);overflow:hidden}
.progress-fill{height:100%;width:62%;border-radius:4px;background:linear-gradient(90deg,#5A8FFA,#6A3DF5)}
.progress-meta{display:flex;justify-content:space-between;font-size:11.5px;color:#7C8DAC;margin-top:7px}
.mockup-tag{position:absolute;right:-16px;bottom:36px;background:#fff;color:var(--ink);border-radius:14px;padding:11px 17px;font-size:13px;font-weight:600;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:8px;animation:float 4s ease-in-out infinite}
.mockup-tag svg{width:16px;height:16px;stroke:var(--brand)}
.mockup-tag b{color:var(--brand)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 主播跑马灯 ---------- */
.marquee-band{background:var(--dark-2);border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07);padding:26px 0;overflow:hidden}
.marquee-title{text-align:center;font-size:13px;letter-spacing:.14em;color:#8FA1BF;margin-bottom:18px;font-weight:600}
.marquee{display:flex;gap:14px;width:max-content;animation:marquee 36s linear infinite}
.marquee-band:hover .marquee{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.marquee-item{
  display:inline-flex;align-items:center;gap:9px;padding:9px 18px;border-radius:99px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  color:#C9D6EC;font-size:14px;white-space:nowrap;
}
.marquee-item .mini-wave{display:flex;align-items:center;gap:2.5px;height:14px}
.marquee-item .mini-wave i{width:3px;border-radius:2px;background:#5A8FFA;animation:wave 1.1s ease-in-out infinite}
.marquee-item .mini-wave i:nth-child(1){height:6px}.marquee-item .mini-wave i:nth-child(2){height:12px}.marquee-item .mini-wave i:nth-child(3){height:8px}.marquee-item .mini-wave i:nth-child(4){height:14px}

/* ---------- 功能卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 28px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden;
}
.feature-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.feature-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);border-color:transparent}
.feature-card:hover::after{transform:scaleX(1)}
.feature-icon{
  width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-soft-2);margin-bottom:20px;
}
.feature-icon svg{width:26px;height:26px;stroke:var(--brand)}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px}
.feature-card .feat-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:5px}
.feature-card .feat-link svg{width:14px;height:14px;stroke:var(--brand);transition:transform .2s}
.feature-card:hover .feat-link svg{transform:translateX(4px)}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--grad);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(255,255,255,.16),transparent 50%)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative;z-index:1}
.stats-grid .stat{text-align:center;padding:10px}
.stats-grid .stat b{display:block;font-size:clamp(2rem,3.6vw,3rem);font-weight:800;line-height:1.1}
.stats-grid .stat span{font-size:14.5px;opacity:.88}
.stats-grid .stat+.stat{border-left:1px solid rgba(255,255,255,.22)}

/* ---------- 主播卡 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;
  transition:transform .3s,box-shadow .3s;text-align:center;
}
.voice-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.voice-ava{
  width:66px;height:66px;border-radius:50%;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;gap:3px;
  background:var(--grad-soft,#EDF3FC);border:2px solid #fff;box-shadow:0 0 0 2px var(--bg-soft-2);
  position:relative;
}
.voice-ava .mini-wave{display:flex;align-items:center;gap:3px;height:26px}
.voice-ava .mini-wave i{width:4px;border-radius:3px;background:var(--brand)}
.voice-card:hover .voice-ava .mini-wave i{animation:wave .9s ease-in-out infinite}
.voice-card h4{font-size:17px;margin-bottom:4px}
.voice-card .v-style{font-size:13px;color:var(--ink-3);margin-bottom:12px}
.voice-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.tag{
  font-size:12px;padding:3px 11px;border-radius:99px;background:var(--bg-soft-2);
  color:var(--brand-dark);font-weight:500;
}
.tag--violet{background:#F0EBFC;color:var(--violet)}
.tag--cyan{background:#E5F4FD;color:#0369A1}
.tag--plain{background:#F1F4F9;color:var(--ink-2)}

/* ---------- 分类筛选条（静态） ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:44px}
.filter-chip{
  padding:9px 20px;border-radius:99px;font-size:14.5px;font-weight:500;
  background:#fff;border:1.5px solid var(--line);color:var(--ink-2);transition:.22s;
}
.filter-chip:hover{border-color:var(--brand-light);color:var(--brand)}
.filter-chip.on{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--shadow-brand)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scene-card{
  border-radius:var(--r-lg);overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md)}
.scene-top{
  height:128px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.scene-top svg{width:44px;height:44px;stroke:#fff;position:relative;z-index:1}
.scene-top::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(255,255,255,.14),transparent 55%)}
.scene-body{padding:22px;flex:1;display:flex;flex-direction:column}
.scene-body h3{font-size:17.5px;margin-bottom:8px}
.scene-body p{font-size:14px;color:var(--ink-2);flex:1}
.scene-body .scene-rec{font-size:12.5px;color:var(--ink-3);margin-top:14px;padding-top:12px;border-top:1px dashed var(--line)}
.scene-body .scene-rec b{color:var(--brand-dark);font-weight:600}
.g-blue{background:linear-gradient(140deg,#2B6CF6,#5A8FFA)}
.g-violet{background:linear-gradient(140deg,#6A3DF5,#9B7DFF)}
.g-cyan{background:linear-gradient(140deg,#0EA5E9,#38BDF8)}
.g-indigo{background:linear-gradient(140deg,#4338CA,#6366F1)}
.g-teal{background:linear-gradient(140deg,#0D9488,#2DD4BF)}
.g-rose{background:linear-gradient(140deg,#E11D48,#FB7185)}
.g-amber{background:linear-gradient(140deg,#D97706,#FBBF24)}
.g-slate{background:linear-gradient(140deg,#334155,#64748B)}

/* ---------- 多端互通 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.platform-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 26px;
  text-align:center;transition:transform .3s,box-shadow .3s;position:relative;
}
.platform-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md)}
.platform-icon{
  width:62px;height:62px;border-radius:18px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
}
.platform-icon svg{width:30px;height:30px;stroke:#fff}
.platform-card h3{font-size:18px;margin-bottom:8px}
.platform-card p{font-size:14px;color:var(--ink-2);margin-bottom:16px}
.platform-card .p-link{font-size:14px;font-weight:600;color:var(--brand)}
.platform-badge{
  position:absolute;top:16px;right:16px;font-size:11px;font-weight:600;
  padding:3px 10px;border-radius:99px;background:#E7F6EC;color:#15803D;
}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 30px;
  position:relative;counter-increment:step;
}
.step::before{
  content:counter(step,decimal-leading-zero);
  font-size:52px;font-weight:800;line-height:1;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  display:block;margin-bottom:16px;opacity:.9;
}
.step h3{font-size:19px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--ink-2)}
.step-arrow{position:absolute;top:52px;right:-24px;color:#C6D2E4;z-index:1}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin-inline:auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow .25s,border-color .25s;
}
.faq-item[open]{box-shadow:var(--shadow-sm);border-color:#C9D9F5}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--bg-soft-2);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  font-size:15px;font-weight:700;transition:.25s;
}
.faq-item[open] summary .q-icon{background:var(--brand);color:#fff}
.faq-item summary .chev{margin-left:auto;flex-shrink:0;width:16px;height:16px;stroke:var(--ink-3);transition:transform .3s}
.faq-item[open] summary .chev{transform:rotate(180deg)}
.faq-a{padding:0 24px 22px 64px;font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-a b{color:var(--ink)}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(120deg,#0A1020,#1B2B5C 60%,#2B4CB8);
  border-radius:32px;padding:70px 40px;text-align:center;color:#fff;
  position:relative;overflow:hidden;margin:0 24px;
}
.cta-band::before{content:"";position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:700px;height:400px;background:radial-gradient(ellipse,rgba(43,108,246,.4),transparent 65%)}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:16px;position:relative}
.cta-band p{color:#B9C6DE;max-width:560px;margin:0 auto 36px;position:relative}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#94A5C0;padding:70px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .logo-text b{color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.9;margin:18px 0;max-width:260px}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-contact{font-size:14px;line-height:2.1}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:8px 26px;align-items:center;font-size:13px;color:#6C7D99;
}
.footer-bottom a:hover{color:#fff}
.footer-bottom .spacer{margin-left:auto}

/* ---------- 子页 Hero ---------- */
.page-hero{
  padding:calc(var(--header-h) + 72px) 0 72px;position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F4F7FD,#fff);
}
.page-hero::before{
  content:"";position:absolute;top:-300px;left:50%;transform:translateX(-50%);
  width:900px;height:560px;border-radius:50%;
  background:radial-gradient(ellipse,rgba(43,108,246,.12),transparent 62%);
}
.page-hero::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:420px;
  background:radial-gradient(circle at 80% 30%,rgba(106,61,245,.09),transparent 60%);
}
.page-hero .container{position:relative;z-index:1}
.page-hero.center{text-align:center}
.page-hero.center .section-head{margin-inline:auto}
.breadcrumb{font-size:13.5px;color:var(--ink-3);margin-bottom:22px;display:flex;gap:8px;align-items:center;justify-content:inherit}
.breadcrumb a:hover{color:var(--brand)}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:18px}
.page-hero .lead{font-size:17px;color:var(--ink-2);max-width:760px}
.page-hero.center .lead{margin-inline:auto}
.page-hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.page-hero.center .page-hero-stats{justify-content:center}
.pill-stat{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:99px;padding:8px 18px;font-size:14px;font-weight:500;box-shadow:var(--shadow-sm);
}
.pill-stat b{color:var(--brand);font-weight:700}

/* ---------- 语言网格 ---------- */
.lang-block{margin-bottom:56px}
.lang-block-head{display:flex;align-items:baseline;gap:14px;margin-bottom:24px;flex-wrap:wrap}
.lang-block-head h3{font-size:22px}
.lang-block-head span{font-size:14px;color:var(--ink-3)}
.lang-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.lang-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 16px;
  display:flex;align-items:center;gap:13px;transition:.25s;
}
.lang-card:hover{border-color:var(--brand-light);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.lang-flag{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#fff;
}
.lang-card b{display:block;font-size:15px}
.lang-card span{font-size:12.5px;color:var(--ink-3)}

/* ---------- 下载页 ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.dl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:44px 40px;display:flex;gap:32px;align-items:center;position:relative;overflow:hidden;
}
.dl-card::before{content:"";position:absolute;top:0;left:0;bottom:0;width:5px;background:var(--grad)}
.dl-info{flex:1}
.dl-info h3{font-size:24px;margin-bottom:6px}
.dl-info .dl-sub{font-size:14.5px;color:var(--ink-2);margin-bottom:20px}
.dl-meta{font-size:13px;color:var(--ink-3);margin-top:16px}
.qr-box{
  width:168px;height:168px;flex-shrink:0;border-radius:20px;border:2px dashed #C6D2E4;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:var(--bg-soft);color:var(--ink-3);font-size:12.5px;text-align:center;padding:12px;
}
.qr-box svg{width:34px;height:34px;stroke:#9AA9C2}
.store-btns{display:flex;gap:12px;flex-wrap:wrap}
.store-btn{
  display:inline-flex;align-items:center;gap:10px;background:var(--dark);color:#fff;
  border-radius:13px;padding:11px 20px;font-size:14px;font-weight:600;transition:.22s;
}
.store-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.store-btn svg{width:20px;height:20px;fill:#fff}
.store-btn small{display:block;font-size:10.5px;opacity:.7;font-weight:400;line-height:1.2}

/* ---------- 关于页 ---------- */
.about-intro{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.about-facts{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px}
.fact-card b{display:block;font-size:26px;font-weight:800;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}
.fact-card span{font-size:13.5px;color:var(--ink-2)}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 28px}
.value-card h3{font-size:18px;margin:16px 0 10px}
.value-card p{font-size:14px;color:var(--ink-2)}
.value-num{
  width:44px;height:44px;border-radius:13px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}

/* ---------- 表格（GEO 对比） ---------- */
.compare-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);font-size:15px}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line)}
.compare-table thead th{background:var(--dark);color:#fff;font-size:14.5px;font-weight:600}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.compare-table .yes{color:#15803D;font-weight:600}
.compare-table .no{color:#B91C1C}

/* ---------- 404 ---------- */
.nf-page{min-height:72vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 24px}
.nf-code{font-size:clamp(6rem,18vw,11rem);font-weight:800;line-height:1;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ---------- 滚动显现动画 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}.reveal-d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .hero-stats{grid-template-columns:repeat(2,auto);gap:28px 44px}
  .mockup{max-width:560px;margin-inline:auto;transform:none}
  .feature-grid,.scene-grid,.platform-grid,.voice-grid{grid-template-columns:repeat(2,1fr)}
  .lang-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:36px}
  .footer-brand{grid-column:1/-1}
  .about-intro{grid-template-columns:1fr;gap:40px}
  .dl-grid{grid-template-columns:1fr}
  .step-arrow{display:none}
}
@media (max-width:720px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:block}
  .mobile-menu.open{display:block}
  .section{padding:64px 0}
  .feature-grid,.scene-grid,.platform-grid,.voice-grid,.steps,.value-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .stats-grid .stat+.stat{border-left:none}
  .stats-grid .stat:nth-child(even){border-left:1px solid rgba(255,255,255,.22)}
  .lang-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{margin:0;border-radius:24px;padding:52px 24px}
  .dl-card{flex-direction:column;padding:32px 26px;text-align:center}
  .dl-card::before{width:100%;height:5px;top:0;left:0;right:0;bottom:auto}
  .store-btns{justify-content:center}
  .faq-a{padding-left:24px}
  .compare-table{font-size:13.5px}
  .compare-table th,.compare-table td{padding:12px 12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom .spacer{margin-left:0}
  .hero-actions .btn{width:100%}
  .page-hero-stats{gap:10px}
}