/* ===== 有道翻译 - 玫瑰金典雅风 ===== */
:root {
  --bg: #fdfaf8;
  --bg2: #faf3ed;
  --bg3: #f5e8dc;
  --card: #ffffff;
  --border: #eeddd0;
  --border-light: #f8f0e8;
  --text: #1f1510;
  --text2: #5c4335;
  --text3: #957765;
  --rose: #c44569;
  --rose-light: #e06082;
  --gold: #c4905a;
  --warm: #d4896a;
  --grad: linear-gradient(135deg, #c44569, #d4896a);
  --grad-soft: linear-gradient(135deg, rgba(196,69,105,0.04), rgba(212,137,106,0.03));
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 2px 22px rgba(0,0,0,0.05);
  --shadow-lg: 0 14px 46px rgba(0,0,0,0.08);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.02), 0 6px 18px rgba(0,0,0,0.04);
  --trans: 0.3s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* Nav */
.nav-bar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(253,250,248,0.94);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1240px;margin:0 auto;padding:0 32px;height:64px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-0.3px}
.nav-brand .brand-icon{
  width:32px;height:32px;background:var(--grad);border-radius:9px;
  display:grid;place-items:center;font-size:15px;color:#fff;font-weight:700
}
.nav-brand .accent{color:var(--rose)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{padding:9px 18px;border-radius:8px;font-size:13px;font-weight:500;color:var(--text2);transition:all var(--trans)}
.nav-menu a:hover{color:var(--text);background:var(--bg2)}
.nav-menu a.btn-nav{
  background:var(--grad);color:#fff;font-weight:600;border-radius:8px;
  padding:10px 22px;box-shadow:0 4px 16px rgba(196,69,105,0.30)
}
.nav-menu a.btn-nav:hover{transform:translateY(-1px);box-shadow:0 8px 26px rgba(196,69,105,0.40)}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}

/* Hero */
.hero{
  padding:146px 0 80px;position:relative;overflow:hidden;
  background:
    radial-gradient(ellipse 70% 50% at 20% 18%,rgba(196,69,105,0.04) 0%,transparent 55%),
    radial-gradient(ellipse 35% 35% at 82% 75%,rgba(212,137,106,0.03) 0%,transparent 50%);
}
.hero::before{
  content:'';position:absolute;top:-120px;right:-80px;
  width:440px;height:440px;
  background:radial-gradient(circle,rgba(196,69,105,0.05) 0%,transparent 60%);
  border-radius:50%;pointer-events:none
}
.hero-grid{
  max-width:1240px;margin:0 auto;padding:0 32px;
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  position:relative;z-index:1
}
.hero-text .tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:20px;
  background:rgba(196,69,105,0.06);border:1px solid rgba(196,69,105,0.12);
  color:var(--rose);font-size:12px;font-weight:700;margin-bottom:28px
}
.hero-text h1{font-size:clamp(34px,5vw,52px);font-weight:900;line-height:1.06;letter-spacing:-1px;margin-bottom:20px}
.hero-text h1 .hl{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text .desc{font-size:15px;color:var(--text3);line-height:1.8;margin-bottom:34px;max-width:460px}
.hero-btns{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.hero-btns .ver{font-size:12px;color:var(--text3);margin-left:10px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all var(--trans);border:none;white-space:nowrap}
.btn-fill{background:var(--grad);color:#fff;box-shadow:0 6px 22px rgba(196,69,105,0.30)}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(196,69,105,0.40)}
.btn-line{background:var(--card);color:var(--text);border:1.5px solid var(--border)}
.btn-line:hover{border-color:var(--rose);color:var(--rose)}
.btn-ghost{background:var(--bg2);color:var(--text);border:1.5px solid var(--border)}
.btn-ghost:hover{background:var(--bg3)}

/* Translation visual */
.trans-visual{position:relative}
.trans-box{
  background:var(--card);border:1.5px solid var(--border);
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg)
}
.trans-tabs{display:flex;border-bottom:1.5px solid var(--border)}
.trans-tabs .tt{
  flex:1;padding:14px 16px;text-align:center;font-size:12px;font-weight:500;
  color:var(--text3);cursor:pointer;border-bottom:2px solid transparent;
  transition:all var(--trans)
}
.trans-tabs .tt.active{color:var(--rose);border-bottom-color:var(--rose);font-weight:700}
.trans-input-area{padding:16px 18px 8px}
.trans-input{
  width:100%;min-height:80px;border:none;outline:none;resize:none;
  font-size:14px;color:var(--text);font-family:inherit;
  background:transparent;line-height:1.8
}
.trans-lang-bar{
  display:flex;align-items:center;justify-content:center;gap:12px;
  padding:8px 18px;background:var(--bg2);margin:0 10px;border-radius:10px
}
.lang-btn{font-size:12px;font-weight:600;color:var(--text2)}
.lang-swap{width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:14px;cursor:pointer}
.trans-result-area{padding:12px 18px 18px}
.trans-result{background:var(--grad-soft);border:1px solid rgba(196,69,105,0.08);border-radius:10px;padding:16px 18px}
.tr-main{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}
.tr-sub{font-size:11px;color:var(--text3)}
.trans-badge{
  position:absolute;top:-18px;right:-14px;
  background:var(--card);border:1.5px solid var(--border);
  border-radius:12px;padding:12px 18px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:10px
}
.trans-badge strong{color:var(--rose);font-size:12px}

/* Stats */
.stats-strip{max-width:1240px;margin:0 auto;padding:0 32px 72px;position:relative;z-index:1}
.stats-inner{
  background:var(--grad-soft);border:1.5px solid var(--border);
  border-radius:var(--radius);padding:28px 44px;
  display:flex;align-items:center;justify-content:center;gap:48px;flex-wrap:wrap
}
.stats-inner .si{text-align:center}
.si .sin{font-size:30px;font-weight:900;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.si .sil{font-size:11px;color:var(--text3);margin-top:4px}

/* Sections */
.sec{max-width:1240px;margin:0 auto;padding:80px 32px}
.sec-head{text-align:center;margin-bottom:56px}
.sec-head .label{
  display:inline-block;padding:5px 16px;border-radius:20px;
  background:rgba(196,69,105,0.06);border:1px solid rgba(196,69,105,0.12);
  color:var(--rose);font-size:12px;font-weight:700;letter-spacing:1px;margin-bottom:18px
}
.sec-head h2{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-0.5px;margin-bottom:14px}
.sec-head p{color:var(--text3);font-size:15px;max-width:520px;margin:0 auto}

/* Features */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat-card{
  background:var(--card);border:1.5px solid var(--border);
  border-radius:var(--radius);padding:30px 24px;text-align:center;
  transition:all var(--trans);box-shadow:var(--shadow-card)
}
.feat-card:hover{border-color:var(--rose-light);transform:translateY(-2px);box-shadow:var(--shadow)}
.feat-card .fc-icon{font-size:34px;margin-bottom:14px;display:block}
.feat-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.feat-card p{font-size:13px;color:var(--text3);line-height:1.7}

/* Languages */
.lang-zone{
  background:linear-gradient(180deg,#1f1510,#2d1f18,#1f1510);
  border-top:1px solid rgba(255,255,255,0.05);border-bottom:1px solid rgba(255,255,255,0.05);
  position:relative;overflow:hidden
}
.lang-zone::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(196,69,105,0.06) 0%,transparent 55%);
  border-radius:50%;pointer-events:none
}
.lang-zone .sec-head h2{color:#fff}
.lang-zone .sec-head p{color:rgba(255,255,255,0.35)}
.lang-zone .sec-head .label{
  background:rgba(255,255,255,0.06);color:var(--rose-light);
  border-color:rgba(255,255,255,0.08)
}
.lang-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative;z-index:1}
.lang-card{
  background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);
  border-radius:var(--radius);padding:24px 16px;text-align:center;
  transition:all var(--trans);backdrop-filter:blur(2px)
}
.lang-card:hover{border-color:rgba(196,69,105,0.3);transform:translateY(-2px);background:rgba(255,255,255,0.05)}
.lang-card .li-icon{font-size:32px;margin-bottom:8px;display:block}
.lang-card h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:4px}
.lang-card p{font-size:11px;color:rgba(255,255,255,0.38)}

/* FAQ */
.faq-wrap{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:all var(--trans)}
.faq-item:hover{border-color:#e0cfc0}
.faq-q{
  width:100%;padding:22px 26px;background:none;border:none;
  color:var(--text);font-size:15px;font-weight:600;text-align:left;
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;
  font-family:inherit
}
.faq-q .arrow{font-size:12px;color:var(--rose);transition:transform var(--trans)}
.faq-a{padding:0 26px 22px;font-size:13px;color:var(--text3);line-height:1.8;display:none}
.faq-item.open .faq-a{display:block}
.faq-item.open .arrow{transform:rotate(180deg)}

/* CTA */
.cta-box{
  background:var(--grad-soft);border:1.5px solid var(--border);
  border-radius:var(--radius);padding:64px 48px;text-align:center
}
.cta-box h2{font-size:clamp(28px,4vw,38px);font-weight:800;margin-bottom:14px}
.cta-box p{color:var(--text3);font-size:15px;margin-bottom:30px}
.cta-box .cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Footer */
.footer{background:var(--bg2);border-top:1.5px solid var(--border)}
.footer-grid{
  max-width:1240px;margin:0 auto;padding:56px 32px 28px;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px
}
.footer-brand .fl{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;margin-bottom:12px}
.footer-brand .fl .ficon{
  width:26px;height:26px;background:var(--grad);border-radius:7px;
  display:grid;place-items:center;color:#fff;font-size:12px;font-weight:700
}
.footer-brand .fl .fc{color:var(--rose)}
.footer-brand p{font-size:12px;color:var(--text3);line-height:1.7;max-width:250px}
.footer-col h4{font-size:13px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col a{display:block;font-size:12px;color:var(--text3);padding:5px 0;transition:color var(--trans)}
.footer-col a:hover{color:var(--rose)}
.footer-bottom{
  max-width:1240px;margin:0 auto;padding:20px 32px;
  border-top:1.5px solid var(--border);
  display:flex;justify-content:space-between;font-size:12px;color:var(--text3);
  flex-wrap:wrap;gap:12px
}

/* Download */
.dl-hero{padding:136px 0 60px;text-align:center;position:relative;overflow:hidden}
.dl-hero::before{
  content:'';position:absolute;top:-60px;left:50%;transform:translateX(-50%);
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(196,69,105,0.04) 0%,transparent 55%);
  border-radius:50%;pointer-events:none
}
.dl-hero-inner{max-width:760px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
.dl-hero-inner h1{font-size:clamp(30px,5vw,46px);font-weight:900;margin-bottom:14px}
.dl-hero-inner .dl-sub{color:var(--text3);font-size:14px;margin-bottom:20px}
.dl-meta{display:inline-flex;gap:20px;font-size:12px;color:var(--text2);flex-wrap:wrap;justify-content:center}
.dl-grid{max-width:1240px;margin:0 auto 60px;padding:0 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl-card{
  background:var(--card);border:1.5px solid var(--border);
  border-radius:var(--radius);padding:36px 28px;text-align:center;
  transition:all var(--trans);display:flex;flex-direction:column;gap:16px;
  box-shadow:var(--shadow-card)
}
.dl-card:hover{border-color:var(--rose);transform:translateY(-2px);box-shadow:var(--shadow)}
.dl-card .dl-tag{
  display:inline-block;padding:4px 14px;border-radius:20px;font-size:11px;font-weight:700;
  background:rgba(196,69,105,0.07);color:var(--rose);align-self:center
}
.dl-card h3{font-size:19px;font-weight:700}
.dl-card .dl-info{font-size:13px;color:var(--text3);line-height:1.6}
.dl-card .dl-size{font-size:11px;color:var(--text3)}
.dl-tips{max-width:1240px;margin:0 auto 60px;padding:0 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dl-tips .tp{
  background:var(--card);border:1.5px solid var(--border);
  border-radius:var(--radius-sm);padding:24px 20px;display:flex;gap:16px;align-items:flex-start;
  box-shadow:var(--shadow-card)
}
.tp .tp-num{
  width:32px;height:32px;border-radius:8px;
  background:rgba(196,69,105,0.08);color:var(--rose);
  display:grid;place-items:center;font-size:14px;font-weight:800;flex-shrink:0
}
.tp strong{display:block;font-size:14px;margin-bottom:5px}
.tp p{font-size:12px;color:var(--text3);line-height:1.6}

.specs-tbl{
  max-width:760px;margin:0 auto;background:var(--card);
  border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-card)
}
.specs-tbl .sr{display:grid;grid-template-columns:160px 1fr;border-bottom:1px solid var(--border)}
.specs-tbl .sr:last-child{border-bottom:none}
.specs-tbl .sl{padding:16px 20px;background:var(--bg2);font-size:13px;font-weight:700;color:var(--rose)}
.specs-tbl .sv{padding:16px 20px;font-size:13px;color:var(--text2)}

/* 404 */
.err-wrap{min-height:100vh;display:grid;place-items:center;padding:32px;background:var(--bg)}
.err-card{
  max-width:480px;text-align:center;
  background:var(--card);border:1.5px solid var(--border);
  border-radius:var(--radius);padding:64px 48px;box-shadow:var(--shadow-lg)
}
.err-card .err-icon{font-size:64px;margin-bottom:20px}
.err-card .err-num{
  font-size:clamp(90px,16vw,140px);font-weight:900;
  background:var(--grad);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;
  line-height:0.9;margin-bottom:10px
}
.err-card h1{font-size:20px;font-weight:700;margin-bottom:14px}
.err-card p{color:var(--text3);font-size:13px;line-height:1.7;margin-bottom:30px}
.err-card .err-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .trans-visual{max-width:480px;margin:0 auto}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .lang-row{grid-template-columns:repeat(4,1fr)}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-menu{display:none}
  .nav-toggle{display:block}
  .nav-menu.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--card);border-bottom:1.5px solid var(--border);padding:14px 24px;gap:4px;z-index:99}
  .hero{padding:124px 0 52px}
  .feat-grid,.lang-row{grid-template-columns:repeat(2,1fr)}
  .dl-grid,.dl-tips{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .sec{padding:52px 20px}
  .cta-box{padding:48px 24px}
}