/* ToDesk 官网 · site.css
   主题色：ToDesk 蓝 #1E6BFF / 深蓝 #0A2A8C / 橙 #FF7A2E */

:root{
  --brand:#1E6BFF;          /* ToDesk 品牌蓝 */
  --brand-dark:#0A2A8C;
  --brand-2:#4D9AFF;        /* 亮蓝（渐变辅助） */
  --brand-3:#0E2A5C;        /* 深海军蓝（页脚/深色调） */
  --accent:#FF7A2E;         /* 品牌橙 */
  --accent-2:#FFB37A;
  --bg:#FBFCFF;
  --bg-soft:#F1F5FF;
  --bg-tint:#E4EDFF;
  --bg-hero1:#EFF4FF;
  --bg-hero2:#F8FAFF;
  --text:#182642;
  --text-2:#3E4E6B;
  --text-3:#7686A3;
  --line:#DFE7F5;
  --line-2:#EAF0FA;
  --ok:#12B76A;
  --warn:#FF7A2E;
  --danger:#E5484D;
  --baidu:#0468D7;
  --quark:#6A5CFF;
  --shadow-sm:0 2px 8px rgba(16,42,90,.07);
  --shadow-md:0 8px 24px rgba(16,42,90,.12);
  --shadow-lg:0 20px 60px rgba(16,42,90,.20);
  --radius:14px;
  --radius-lg:20px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Roboto Mono","JetBrains Mono",ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--text);background:var(--bg);
  line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .15s ease}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none}

.wrap{max-width:1240px;margin:0 auto;padding:0 22px}
.sec{padding:88px 0}
.sec-tight{padding:56px 0}
.sec-soft{background:linear-gradient(180deg,#F5F8FF 0%,#FBFCFF 100%)}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(251,252,255,.85);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-2);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;max-width:1240px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text)}
.brand .logo{
  width:32px;height:32px;border-radius:8px;flex:0 0 32px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.78rem;letter-spacing:.02em;
  box-shadow:0 4px 10px rgba(30,107,255,.3);
}
.nav-main{display:flex;gap:2px;align-items:center}
.nav-main a{
  padding:8px 14px;border-radius:99px;font-size:.94rem;color:var(--text-2);font-weight:500;
  transition:all .2s ease;
}
.nav-main a:hover{color:var(--brand);background:var(--bg-tint)}
.nav-main a.is-active,.nav-main a.active{color:var(--brand);background:var(--bg-tint);font-weight:600}
.nav-toggle{display:none;padding:6px 8px;font-size:1.3rem;color:var(--text-2)}
.btn-cta{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#fff;padding:9px 20px;border-radius:10px;font-weight:700;font-size:.9rem;
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  box-shadow:0 6px 18px rgba(30,107,255,.32);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(30,107,255,.42);color:#fff}
.btn-ghost{
  background:#fff;color:var(--text);border:1.5px solid var(--line);padding:10px 20px;border-radius:10px;
  font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* ============ hero ============ */
.hero{
  padding:88px 0 80px;position:relative;overflow:hidden;
  background:
    radial-gradient(60% 50% at 15% 20%,rgba(77,154,255,.28) 0%,transparent 60%),
    radial-gradient(45% 40% at 90% 30%,rgba(30,107,255,.20) 0%,transparent 65%),
    linear-gradient(180deg,#EFF4FF 0%,#FBFCFF 100%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  padding:6px 14px;border-radius:99px;font-size:.82rem;color:var(--text-2);font-weight:500;
  margin-bottom:20px;box-shadow:var(--shadow-sm);
}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:99px;background:var(--brand);box-shadow:0 0 0 4px rgba(30,107,255,.18)}
.hero h1{
  font-size:3.3rem;font-weight:900;line-height:1.15;letter-spacing:-.02em;color:var(--text);
  margin-bottom:20px;
}
.hero h1 .grad{
  background:linear-gradient(135deg,#1E6BFF 0%,#4D9AFF 55%,#00B3E6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{font-size:1.12rem;color:var(--text-2);max-width:520px;margin-bottom:32px;line-height:1.8}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:520px}
.hero-stats .st b{font-size:1.55rem;font-weight:800;color:var(--brand);font-family:var(--font-num);display:block;line-height:1.1}
.hero-stats .st span{font-size:.82rem;color:var(--text-3)}

.hero-art{position:relative;padding:20px 0}
.hero-art .art-badge{
  display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--brand);
  padding:6px 14px;border-radius:99px;font-size:.82rem;font-weight:600;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);margin-bottom:16px;
}
.hero-art .art-title{font-size:1.6rem;font-weight:800;margin-bottom:8px}
.hero-art .art-sub{color:var(--text-3);font-size:.92rem;margin-bottom:22px}
.hero-art .art-frame{
  background:#fff;border-radius:20px;padding:32px;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);position:relative;
}
.hero-art .art-frame .row{height:10px;border-radius:6px;margin-bottom:12px;background:linear-gradient(90deg,var(--bg-tint) 0%,transparent 100%)}
.hero-art .art-frame .row.long{width:100%;background:linear-gradient(90deg,#1E6BFF 0%,#4D9AFF 100%);height:14px}
.hero-art .art-frame .row.mid{width:72%;background:linear-gradient(90deg,#C9DEFF 0%,transparent 100%)}
.hero-art .art-frame .row.short{width:56%;background:linear-gradient(90deg,#D9E8FF 0%,transparent 100%)}
.hero-art .art-frame .btn-mock{
  margin-top:20px;display:inline-flex;align-items:center;gap:12px;background:linear-gradient(135deg,#1E6BFF 0%,#4D9AFF 100%);
  color:#fff;padding:12px 22px;border-radius:99px;font-weight:700;font-size:.92rem;
  box-shadow:0 8px 20px rgba(30,107,255,.38);
}
.hero-art .art-frame .btn-mock .arrow{margin-left:auto;padding-left:10px;font-weight:400}
.hero-art .qr-float{
  position:absolute;top:-24px;right:-14px;background:#fff;padding:10px;border-radius:14px;
  box-shadow:var(--shadow-md);border:2px solid var(--line);
  animation:qrPulse 3.2s ease-in-out infinite;
}
.hero-art .qr-float img{width:96px;height:96px;border-radius:8px}

/* ============ sections ============ */
.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}
.sec-head .kicker{
  display:inline-block;background:var(--bg-tint);color:var(--brand);padding:.35em 1em;
  border-radius:99px;font-size:.78rem;font-weight:700;letter-spacing:.05em;margin-bottom:16px;
}
.sec-head h2{font-size:2.1rem;font-weight:800;line-height:1.25;margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:1.02rem}

/* card grids */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;
  transition:all .25s ease;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C9DEFF}
.card .card-ico{
  width:48px;height:48px;border-radius:12px;background:var(--bg-tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px;
}
.card h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.card p{color:var(--text-2);font-size:.94rem;line-height:1.7}

/* ============ 特性大图（feat-hero） ============ */
.feat-hero{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;margin-bottom:46px;
}
.feat-hero:last-child{margin-bottom:0}
.feat-hero .taglist{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px}
.feat-hero .taglist span{
  background:var(--bg-soft);border:1px solid var(--line-2);border-radius:99px;
  padding:4px 12px;font-size:.8rem;color:var(--text-2);
}
.feat-hero .shot{
  background:linear-gradient(135deg,#EDF3FF 0%,#F8FAFF 100%);
  border:1px solid var(--line);border-radius:18px;padding:22px;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);
}
.feat-hero .shot img{max-height:300px;max-width:100%;object-fit:contain}
.feat-hero.reverse > div:first-child{order:2}
.feat-hero.reverse .shot{order:1}
@media(max-width:900px){
  .feat-hero{grid-template-columns:1fr;gap:26px}
  .feat-hero.reverse > div:first-child{order:0}
  .feat-hero.reverse .shot{order:0}
}

/* ============ responsive ============ */
@media(max-width:960px){
  .nav-main{display:none}
  .nav-toggle{display:inline-flex}
  .nav-main.open{
    display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;
    background:#fff;padding:16px;gap:6px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
  }
  .nav-main.open{align-items:stretch}
  .nav-main.open a{padding:12px 16px}
  .hero{padding:64px 0 60px}
  .hero h1{font-size:2.4rem}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .sec-head h2{font-size:1.6rem}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .sec{padding:56px 0}
  .hero h1{font-size:2rem}
  .plat-card .dl-row{grid-template-columns:1fr}
  .modal-panel{padding:26px 22px}
  .cta-band{padding:40px 22px}
  .cta-band h2{font-size:1.5rem}
}

/* 弹窗提示里的网盘名高亮 */
.quark-mark{color:var(--quark)}
.baidu-mark{color:var(--baidu)}


/* ---------------- 平台 / 下载卡片 ---------------- */
.plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.plat-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.plat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd8ec}
.plat-card .plat-thumb{
  height:132px;border-radius:12px;background:linear-gradient(135deg,#eef3ff 0%,#f5f7fc 100%);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.plat-card .plat-thumb img{max-height:100%;max-width:100%;object-fit:contain}
.plat-card .plat-head{display:flex;align-items:center;gap:10px}
.plat-card .plat-badge{
  width:34px;height:34px;border-radius:8px;background:var(--bg-tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;
}
.plat-card .plat-name{font-weight:700;font-size:1rem}
.plat-card .plat-meta{color:var(--text-3);font-size:.82rem;font-family:var(--font-num)}
.plat-card .plat-desc{color:var(--text-2);font-size:.88rem;flex:1}
.plat-card .plat-versions{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.plat-card .plat-versions span{
  background:var(--bg-soft);border-radius:6px;padding:2px 8px;font-size:.75rem;color:var(--text-2);font-family:var(--font-num);
}
.plat-card .dl-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:4px}
.plat-card .dl-btn{
  padding:9px 12px;border-radius:9px;border:1.5px solid var(--line);background:#fff;color:var(--text);
  font-size:.85rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  transition:all .2s ease;
}
.plat-card .dl-btn:hover{border-color:var(--brand);color:var(--brand)}
.plat-card .dl-btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.plat-card .dl-btn.primary:hover{background:var(--brand-dark);color:#fff}
.plat-card .dl-btn.baidu{background:#0468d7;border-color:#0468d7;color:#fff}
.plat-card .dl-btn.baidu:hover{background:#0250a8;color:#fff}
.plat-card .dl-btn.quark{background:#6a5cff;border-color:#6a5cff;color:#fff}
.plat-card .dl-btn.quark:hover{background:#4a3ed7;color:#fff}
@media(max-width:900px){.plat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.plat-grid{grid-template-columns:1fr}}

/* ---------------- 二维码呼吸边框（柔和、不刺眼） ---------------- */
@keyframes qrPulse{
  0%{box-shadow:0 0 0 0 rgba(30,107,255,.42),0 8px 22px rgba(16,42,90,.14);transform:scale(1)}
  70%{box-shadow:0 0 0 14px rgba(30,107,255,0),0 8px 22px rgba(16,42,90,.14);transform:scale(1.02)}
  100%{box-shadow:0 0 0 0 rgba(30,107,255,0),0 8px 22px rgba(16,42,90,.14);transform:scale(1)}
}
@keyframes qrPulseOrange{
  0%{box-shadow:0 0 0 0 rgba(255,122,46,.45),0 8px 22px rgba(16,42,90,.14);transform:scale(1)}
  70%{box-shadow:0 0 0 14px rgba(255,122,46,0),0 8px 22px rgba(16,42,90,.14);transform:scale(1.02)}
  100%{box-shadow:0 0 0 0 rgba(255,122,46,0),0 8px 22px rgba(16,42,90,.14);transform:scale(1)}
}
.qr-frame{
  background:#fff;padding:14px;border-radius:18px;border:2px solid #dbe4f7;
  display:inline-flex;flex-direction:column;align-items:center;gap:12px;
  animation:qrPulse 3.2s ease-in-out infinite;
}
.qr-frame .qr-img{width:150px;height:150px;border-radius:8px}
.qr-frame.orange{border-color:#ffd6b8;animation:qrPulseOrange 3.2s ease-in-out infinite}
.qr-frame .qr-cap{font-size:.82rem;color:var(--text-2);font-weight:500;text-align:center;line-height:1.4;max-width:180px}
.qr-inline{
  display:inline-flex;flex-direction:column;align-items:center;gap:10px;
}
.qr-inline .qr-box{
  background:#fff;padding:10px;border-radius:12px;border:2px solid #dbe4f7;
  animation:qrPulse 3.2s ease-in-out infinite;
}
.qr-inline .qr-box.orange{border-color:#ffd6b8;animation:qrPulseOrange 3.2s ease-in-out infinite}
.qr-inline .qr-box img{width:112px;height:112px;border-radius:6px}
.qr-inline .qr-label{font-size:.8rem;color:var(--text-3)}

/* ---------------- 下载弹窗 ---------------- */
.modal{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(6,27,91,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);padding:20px;
}
.modal.open{display:flex;animation:modalIn .25s ease}
@keyframes modalIn{from{opacity:0}to{opacity:1}}
.modal-panel{
  background:#fff;border-radius:20px;max-width:440px;width:100%;padding:34px 30px 28px;
  text-align:center;position:relative;box-shadow:0 30px 80px rgba(6,27,91,.35);
  animation:modalIn .3s ease;
}
.modal-close{
  position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:99px;border:1px solid var(--line);
  background:#fff;color:var(--text-3);cursor:pointer;font-size:1.05rem;line-height:1;display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--bg-soft);color:var(--text)}
.modal-panel h3{font-size:1.35rem;margin-bottom:8px}
.modal-panel .m-sub{color:var(--text-3);font-size:.92rem;margin-bottom:20px}
.modal-panel .qr-frame{margin-bottom:16px}
.modal-panel .m-note{
  background:var(--bg-soft);border-radius:12px;padding:12px 14px;font-size:.86rem;color:var(--text-2);
  margin-top:14px;text-align:left;line-height:1.6;
}
.modal-panel .m-note b{color:var(--text)}
.modal-panel .m-safe{
  margin-top:14px;display:flex;align-items:center;justify-content:center;gap:6px;font-size:.82rem;color:var(--ok);font-weight:600;
}
.modal-panel .m-version{
  font-family:var(--font-num);font-size:.78rem;color:var(--text-3);margin-top:8px;
}

/* ---------------- 特性大列表 ---------------- */
.feat-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.feat-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;
  display:flex;gap:16px;align-items:flex-start;transition:all .25s ease;
}
.feat-item:hover{border-color:#cfd8ec;box-shadow:var(--shadow-sm)}
.feat-item .fi-ico{
  width:44px;height:44px;flex:0 0 44px;border-radius:10px;background:var(--bg-tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;
}
.feat-item h4{margin:0 0 4px;font-size:1.05rem}
.feat-item p{margin:0;color:var(--text-2);font-size:.9rem;line-height:1.6}
@media(max-width:800px){.feat-list{grid-template-columns:1fr}}

/* ---------------- 场景 ---------------- */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:all .28s ease;display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ec}
.scene-card .scene-visual{
  height:130px;background:linear-gradient(135deg,#eef3ff 0%,#dbe4f7 100%);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  font-size:2.6rem;font-weight:700;font-family:var(--font);
}
.scene-card .scene-body{padding:22px;flex:1;display:flex;flex-direction:column;gap:8px}
.scene-card .scene-body h4{margin:0;font-size:1.1rem}
.scene-card .scene-body p{margin:0;color:var(--text-2);font-size:.9rem;line-height:1.6}
.scene-card .scene-body .scene-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.scene-card .scene-body .scene-tags span{
  font-size:.75rem;background:var(--bg-soft);border-radius:6px;padding:2px 8px;color:var(--text-3);
}

/* ---------------- 教程步骤 ---------------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;position:relative;
}
.step .step-num{
  position:absolute;top:-14px;left:22px;background:var(--brand);color:#fff;
  width:32px;height:32px;border-radius:99px;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.9rem;box-shadow:0 6px 14px rgba(30,107,255,.35);
}
.step h4{margin:6px 0 8px;font-size:1.1rem}
.step p{color:var(--text-2);font-size:.9rem;margin:0 0 12px}
.step .step-shot{
  background:var(--bg-soft);border-radius:10px;padding:12px;display:flex;align-items:center;justify-content:center;
}
.step .step-shot img{max-height:120px;max-width:100%;object-fit:contain}
@media(max-width:800px){.steps{grid-template-columns:1fr}}

/* ---------------- FAQ ---------------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;cursor:pointer;font-weight:600;color:var(--text);user-select:none;
}
.faq-q .q-mark{color:var(--brand);font-weight:700;margin-right:8px}
.faq-q .caret{
  width:22px;height:22px;flex:0 0 22px;border-radius:6px;background:var(--bg-soft);color:var(--text-3);
  display:flex;align-items:center;justify-content:center;font-size:.7rem;transition:transform .25s ease;
}
.faq-item.open .faq-q .caret{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--text-2);font-size:.94rem;line-height:1.7}
.faq-item.open .faq-a{max-height:600px}
.faq-a-inner{padding:0 20px 20px 40px}

/* ---------------- 定价 ---------------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{
  background:#fff;border:1.5px solid var(--line);border-radius:18px;padding:28px;position:relative;
  display:flex;flex-direction:column;gap:14px;transition:all .28s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.price-card.featured{border-color:var(--brand);box-shadow:0 12px 30px rgba(30,107,255,.14)}
.price-card .p-badge{
  position:absolute;top:-12px;right:18px;background:var(--accent);color:#fff;
  padding:4px 12px;border-radius:99px;font-size:.75rem;font-weight:600;
}
.price-card .p-name{font-size:1.2rem;font-weight:700}
.price-card .p-desc{color:var(--text-3);font-size:.88rem;min-height:38px}
.price-card .p-price{display:flex;align-items:baseline;gap:4px;margin:6px 0 4px}
.price-card .p-price .n{font-size:2.4rem;font-weight:800;color:var(--text);font-family:var(--font-num)}
.price-card .p-price .u{font-size:1rem;color:var(--text-3)}
.price-card .p-price .per{margin-left:6px;color:var(--text-3);font-size:.85rem}
.price-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.price-card ul li{display:flex;gap:8px;align-items:flex-start;font-size:.92rem;color:var(--text-2);line-height:1.55}
.price-card ul li .ck{color:var(--ok);font-weight:700;flex:0 0 auto}
.price-card .p-cta{margin-top:auto;padding-top:6px}
.price-card .p-cta .btn-cta,.price-card .p-cta .btn-ghost{width:100%;justify-content:center;padding:11px 20px}
@media(max-width:820px){.price-grid{grid-template-columns:1fr}}

/* ---------------- 关于 ---------------- */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.about-visual{
  background:linear-gradient(135deg,#1e6bff 0%,#0a2a8c 100%);
  border-radius:20px;padding:36px;color:#fff;box-shadow:var(--shadow-lg);
}
.about-visual .av-badge{
  display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.2);
  padding:.3em 1em;border-radius:99px;font-size:.8rem;margin-bottom:16px;
}
.about-visual .av-title{font-size:1.4rem;font-weight:700;margin-bottom:10px}
.about-visual .av-sub{color:rgba(255,255,255,.82);font-size:.94rem;line-height:1.7;margin-bottom:22px}
.about-visual .av-num{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px;
  border-top:1px solid rgba(255,255,255,.15);padding-top:20px;
}
.about-visual .av-num b{font-size:1.5rem;font-weight:800;font-family:var(--font-num);display:block}
.about-visual .av-num span{font-size:.78rem;color:rgba(255,255,255,.75)}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:28px}}

/* ---------------- 时效/安全提醒条 ---------------- */
.alert-strip{
  display:flex;align-items:center;gap:12px;background:linear-gradient(90deg,#fff7ee 0%,#fff 100%);
  border:1px solid #ffe0c2;border-radius:12px;padding:14px 18px;margin-bottom:24px;
}
.alert-strip .a-ico{color:var(--accent);font-size:1.3rem;font-weight:700;flex:0 0 auto}
.alert-strip .a-body{font-size:.9rem;color:var(--text-2);line-height:1.6}
.alert-strip .a-body b{color:var(--text)}
.alert-strip.soft{background:var(--bg-soft);border-color:var(--line)}
.alert-strip.soft .a-ico{color:var(--brand)}

/* ---------------- CTA ---------------- */
.cta-band{
  background:linear-gradient(135deg,#1e6bff 0%,#0a2a8c 60%,#061b5b 100%);
  border-radius:22px;padding:56px 44px;color:#fff;text-align:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-100px;right:-100px;width:320px;height:320px;border-radius:99px;
  background:radial-gradient(closest-side,rgba(255,122,46,.35),transparent);filter:blur(20px);
}
.cta-band h2{font-size:1.9rem;color:#fff;margin-bottom:12px;position:relative}
.cta-band p{color:rgba(255,255,255,.85);max-width:600px;margin:0 auto 26px;font-size:1.05rem;position:relative}
.cta-band .cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative}
.cta-band .btn-white{
  background:#fff;color:var(--brand);padding:13px 26px;border-radius:10px;font-weight:700;font-size:1rem;
  display:inline-flex;align-items:center;gap:8px;box-shadow:0 10px 24px rgba(0,0,0,.2);
}
.cta-band .btn-ghost-w{
  background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.4);
  padding:12px 22px;border-radius:10px;font-weight:600;font-size:1rem;display:inline-flex;align-items:center;gap:8px;cursor:pointer;
}

/* ---------------- 面包屑 ---------------- */
.breadcrumb{
  display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-3);padding:16px 0 20px;
}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:var(--text-2);font-weight:500}

/* 页头 */
.page-hero{
  background:linear-gradient(180deg,#f7faff 0%,#fff 100%);padding:52px 0 40px;text-align:center;
  border-bottom:1px solid var(--line-2);
}
.page-hero .wrap{max-width:820px}
.page-hero h1{font-size:2rem;margin-bottom:12px}
.page-hero p{color:var(--text-2);font-size:1.05rem;margin:0 auto;max-width:640px}
.page-hero .kicker{
  display:inline-block;background:var(--bg-tint);color:var(--brand);padding:.3em .9em;
  border-radius:99px;font-size:.82rem;font-weight:600;margin-bottom:16px;
}

/* ---------------- 页脚 ---------------- */
.site-footer{
  background:#0a1a3d;color:#b7c4e2;padding:56px 0 26px;position:relative;
}
.site-footer .wrap{max-width:1200px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer-brand .fb-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .fb-logo{
  width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#1e6bff,#3b82f6);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;
}
.footer-brand .fb-name{color:#fff;font-weight:700;font-size:1.05rem}
.footer-brand p{color:#8f9fca;font-size:.88rem;line-height:1.7;margin-bottom:12px}
.footer-brand .fb-note{color:#7382ab;font-size:.78rem;line-height:1.6}
.footer-col h5{color:#fff;font-size:.95rem;font-weight:600;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.footer-col a{color:#a7b6da;font-size:.88rem}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:.78rem;color:#7382ab;line-height:1.7;
}
.footer-bottom .fb-tags{display:flex;gap:14px;flex-wrap:wrap}
.footer-bottom a{color:#8f9fca}
.footer-bottom a:hover{color:#fff}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* ---------------- 表格（版本/对比） ---------------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line-2)}
th{background:var(--bg-soft);font-weight:600;color:var(--text);font-size:.86rem}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafcff}
table .yes{color:var(--ok);font-weight:700}
table .no{color:var(--text-3)}
table .hi{color:var(--brand);font-weight:600}

/* ---------------- 工具类 ---------------- */
.text-center{text-align:center}
.mt-0{margin-top:0}
.mt-1{margin-top:8px}
.mt-2{margin-top:16px}
.mt-3{margin-top:24px}
.mt-4{margin-top:36px}
.mb-0{margin-bottom:0}
.muted{color:var(--text-3)}
.small{font-size:.85rem}
.tag{display:inline-block;background:var(--bg-soft);border-radius:6px;padding:2px 8px;font-size:.78rem;color:var(--text-2)}
.tag.brand{background:var(--bg-tint);color:var(--brand)}
.tag.ok{background:#e6f7ee;color:#0a7a3d}
.tag.warn{background:#fff3e6;color:#a5570a}

/* 隐藏（保留位置） */
.hide{display:none!important}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 打印 */
@media print{
  .site-header,.site-footer,.modal,.alert-strip{display:none!important}
  body{background:#fff}
}

/* ============= 弹窗内的"扫码步骤"（PC 端唯一下载通道） ============= */
.m-steps{
  list-style:none;
  margin:18px auto 0;
  padding:0;
  max-width:320px;
  text-align:left;
}
.m-steps li{
  display:flex;
  align-items:center;
  gap:10px;
  padding:7px 0;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.4;
}
.m-steps li + li{ border-top:1px dashed var(--line); }
.m-steps li i{
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:99px;
  background:linear-gradient(135deg,#1E6BFF 0%,#0A2A8C 100%);
  color:#fff;
  font-style:normal;
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* 二维码按网盘品牌变色 */
.qr-frame.quark{ border-color:#D6D0FF; animation-name:qrPulseQuark; }
.qr-frame.baidu{ border-color:#B7D5F4; animation-name:qrPulseBaidu; }
@keyframes qrPulseQuark{
  0%{box-shadow:0 0 0 0 rgba(106,92,255,.42),0 8px 22px rgba(16,42,90,.14);transform:scale(1)}
  70%{box-shadow:0 0 0 14px rgba(106,92,255,0),0 8px 22px rgba(16,42,90,.14);transform:scale(1.02)}
  100%{box-shadow:0 0 0 0 rgba(106,92,255,0),0 8px 22px rgba(16,42,90,.14);transform:scale(1)}
}
@keyframes qrPulseBaidu{
  0%{box-shadow:0 0 0 0 rgba(4,104,215,.42),0 8px 22px rgba(16,42,90,.14);transform:scale(1)}
  70%{box-shadow:0 0 0 14px rgba(4,104,215,0),0 8px 22px rgba(16,42,90,.14);transform:scale(1.02)}
  100%{box-shadow:0 0 0 0 rgba(4,104,215,0),0 8px 22px rgba(16,42,90,.14);transform:scale(1)}
}