:root{--navy:#0c1422;--gold:#d49959;--ink:#191919;font-family:"Microsoft YaHei","Source Han Sans CN",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff}.site-shell{min-width:1180px}.nav-wrap{height:64px;position:absolute;z-index:3;top:0;left:0;right:0;border-bottom:1px solid rgba(212,153,89,.15);display:flex;align-items:center;padding:0 80px 0 56px}.brand img{width:88px;height:32px;display:block}.support{margin-left:auto;display:flex;align-items:center;gap:10px;text-decoration:none;color:#0c1422;font-size:16px}.support img{width:18px;height:18px}.hero{height:990px;position:relative;overflow:hidden;background:url('./assets/檐书banner.png') center/cover no-repeat}.hero-copy{position:absolute;z-index:1;left:calc(50% - 720px);top:284px;width:830px}.eyebrow{margin:0 0 21px;color:#d49959;font-size:34px;line-height:34px;font-weight:500}.hero h1{font-size:68px;line-height:68px;letter-spacing:0;margin:0;color:#0c1422;font-weight:500;white-space:nowrap}.hero-description{margin:40px 0 0;width:830px;color:#a19990;font-size:18px;line-height:28px}.hero-actions{display:flex;gap:40px;margin-top:160px}.hero-actions a{width:236px;height:60px;border-radius:8px;display:flex;align-items:center;justify-content:center;gap:16px;font-size:16px;font-weight:500;text-decoration:none}.download-button{color:#0c1422;background:rgba(255,255,255,.5);border:1px solid #fff}.download-button span{color:#d49959;font-size:28px;line-height:1}.more-button{color:#fff;background:#d49959}.more-button img{width:20px;height:20px}.hero-phone{position:absolute;left:50%;top:64px;margin-left:216px;width:744px;height:924px}.advantages{height:144px;margin:0 auto;padding:40px max(calc((100% - 1440px)/2),56px);display:grid;grid-template-columns:repeat(4,1fr);gap:32px}.advantages article{display:flex;align-items:center;gap:16px}.advantages img{width:64px;height:64px}.advantages h3{font-size:20px;line-height:20px;margin:0 0 16px;font-weight:500}.advantages p{font-size:16px;line-height:16px;margin:0;color:rgba(12,20,34,.4);white-space:nowrap}.feature-section{height:1142px;padding-top:154px;background:url('./assets/核心功能bg.png') center/cover no-repeat}.section-heading{text-align:center}.section-heading h2{font-size:34px;line-height:34px;margin:0;font-weight:500}.section-heading p{font-size:18px;line-height:18px;color:rgba(12,20,34,.41);margin:40px 0 0}.feature-grid{width:1440px;margin:120px auto 0;display:grid;grid-template-columns:repeat(3,432px);grid-template-rows:240px 258px;gap:72px 72px}.feature-card{position:relative;overflow:hidden;color:#0c1422;background-size:100% 100%;background-repeat:no-repeat}.feature-card.large-card{grid-column:span 1;width:684px;background-image:url('./assets/核心功能板块bg.png')}.feature-card.large-card:nth-child(2){grid-column:2 / span 2;margin-left:-180px}.feature-card.small-card{background-image:url('./assets/核心功能板块bg（小）.png')}.feature-card>div{padding:58px 56px}.feature-card.small-card>div{padding:60px 31px}.feature-card h3{margin:0 0 28px;font-size:28px;line-height:28px;font-weight:500}.feature-card p{margin:0;width:321px;color:rgba(12,20,34,.36);font-size:16px;line-height:26px}.feature-card.small-card p{width:224px;line-height:26px}.download-section{height:1188px;padding-top:137px;background:url('./assets/下载檐书bg.png') center/cover no-repeat}.section-heading.light h2{color:#fff;font-size:64px;line-height:64px}.download-intro{text-align:center;color:#fff;margin:30px 0 120px;font-size:28px;line-height:28px}.channel-cards{width:1424px;margin:auto;display:grid;grid-template-columns:repeat(3,432px);gap:64px}.channel-card{height:528px;padding:48px 76px 38px;color:#191919;text-align:center;background:#fff url('./assets/卡片bg.png') center/100% 100% no-repeat;border-radius:0;box-shadow:none}.channel-card:nth-child(2){background-image:url('./assets/卡片bg1.png')}.channel-card .platform-icon{width:136px;height:136px;object-fit:contain;margin:0 auto 15px}.channel-card h3{margin:0;font-size:32px;line-height:32px;font-weight:500}.channel-card .channel-subtitle{color:rgba(12,20,34,.4);font-size:16px;line-height:16px;margin:16px 0 16px}.qr-frame{width:124px;height:124px;margin:0 auto 18px;background:#f5f5f5;display:grid;place-items:center;overflow:hidden}.qr-frame img{width:100%;height:100%;object-fit:cover}.qr-frame .no-qr{font-size:12px;color:#9aa1ac;line-height:1.7}.channel-card button{width:280px;height:60px;border:0;border-radius:30px;background:#d49959;color:#fff;font:500 16px/1 inherit;cursor:pointer}.channel-card .version{font-size:16px;line-height:16px;color:rgba(12,20,34,.4);margin:0 0 12px;position:absolute;top:308px;left:0;right:0}.channel-card{position:relative}.channel-card button:hover{filter:brightness(.95)}footer{height:80px;display:flex;align-items:center;justify-content:center;gap:40px;font-size:16px;color:rgba(255,255,255,.65);background:#263a56}footer img{display:none}footer a{color:#fff;text-decoration:none}
.admin-shell{min-height:100vh;background:#f5f7fa}.login-view{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#17243a,#304c70)}.login-card{width:min(420px,calc(100% - 32px));padding:42px;background:#fff;border-radius:12px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.2)}.login-mark{display:grid;place-items:center;width:52px;height:52px;margin:auto;border-radius:12px;background:var(--navy);color:#e0b77c;font-size:24px}.login-card h2{margin:18px 0 8px}.login-card>p{color:#8b93a0;font-size:14px;margin:0 0 25px}.login-card label{display:block;text-align:left;font-size:14px;margin:14px 0;color:#4d5562}.login-card input{width:100%;margin-top:8px;border:1px solid #dfe3e8;border-radius:5px;padding:12px;font:inherit}.admin-primary{width:100%;margin-top:18px;padding:13px;background:var(--navy);border:0;border-radius:5px;color:#fff;font:inherit;cursor:pointer}.login-card small{display:block;color:#9ba1ab;margin-top:16px}.form-error{color:#d54c4c!important;min-height:20px;margin:8px 0 0!important}.dashboard{min-height:100vh;display:flex}.dashboard aside{width:230px;flex:none;background:#1b2940;color:#bfc8d4;padding:25px 14px}.admin-brand{font-size:20px;color:#fff;font-weight:bold;margin:0 12px 46px}.admin-brand span{color:#d8ad72;margin-right:8px}.dashboard aside a{display:block;padding:13px 15px;border-radius:5px;text-decoration:none;color:#c7d0dc;font-size:14px}.dashboard aside a.selected{background:#30425e;color:#fff}.dashboard aside button{position:absolute;bottom:28px;background:none;border:0;color:#aeb8c6;cursor:pointer;margin-left:14px;font:inherit}.dashboard-content{flex:1;padding:40px;max-width:1400px}.dashboard-content header{display:flex;justify-content:space-between;align-items:center}.dashboard-content header p{font-size:13px;color:#8f97a4;margin:0 0 8px}.dashboard-content h1{font-size:26px;margin:0}.admin-user{padding:9px 14px;background:#fff;border-radius:18px;color:#687182;font-size:14px}.dashboard-tip{color:#808998;background:#fff4e7;border-left:3px solid #d59c57;padding:13px 16px;margin:28px 0}.admin-channels{display:grid;grid-template-columns:repeat(3,minmax(240px,1fr));gap:20px}.admin-channel{background:#fff;border-radius:8px;padding:24px;box-shadow:0 2px 10px rgba(23,37,58,.05)}.admin-channel header{display:flex;align-items:center;gap:12px}.admin-channel header img{width:42px;height:42px;object-fit:contain}.admin-channel h3{margin:0;font-size:18px}.admin-channel header span{font-size:12px;color:#a0a8b3}.admin-channel label{display:block;margin-top:18px;color:#5d6674;font-size:13px}.admin-channel input{display:block;width:100%;margin-top:7px;padding:9px;border:1px solid #e0e5ea;border-radius:4px;font:inherit;font-size:13px}.upload-value{font-size:12px;color:#8f98a4;margin:8px 0 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-channel .qr-preview{width:100px;height:100px;margin:12px 0;background:#f3f5f7;object-fit:cover}.save-channel{width:100%;padding:11px;color:#fff;background:#263b59;border:0;border-radius:4px;font:inherit;cursor:pointer;margin-top:22px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,100px);background:#18263a;color:#fff;padding:12px 18px;border-radius:4px;opacity:0;transition:.25s;z-index:10}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1180px){.site-shell{min-width:0}.nav-wrap{padding:0 28px}.hero{height:660px;background-position:center}.hero-copy{left:8%;top:170px;width:60%}.eyebrow{font-size:25px;margin-bottom:16px}.hero h1{font-size:42px;line-height:1.25;white-space:normal}.hero-description{width:auto;font-size:15px;line-height:1.8;margin-top:24px}.hero-actions{margin-top:50px;gap:16px}.hero-actions a{width:180px;height:50px}.hero-phone{left:auto;right:-65px;top:80px;margin:0;width:520px;height:auto;opacity:.62}.advantages{height:auto;padding:32px;grid-template-columns:repeat(2,1fr)}.feature-section{height:auto;padding:90px 24px;background-size:auto 100%}.feature-grid{width:auto;margin:80px auto 0;grid-template-columns:repeat(2,1fr);grid-template-rows:auto;gap:24px}.feature-card.large-card,.feature-card.large-card:nth-child(2),.feature-card.small-card{width:auto;height:240px;margin:0;grid-column:auto;background-size:cover}.feature-card.small-card{height:258px}.download-section{height:auto;padding:90px 24px;background-size:auto 100%}.section-heading.light h2{font-size:48px}.download-intro{margin:25px 0 60px;font-size:20px}.channel-cards{width:auto;grid-template-columns:repeat(3,1fr);gap:22px}.channel-card{padding:40px 20px}.channel-card button{width:100%}}@media(max-width:720px){.support{font-size:14px}.hero{height:640px}.hero-copy{width:88%;top:150px}.hero-phone{display:none}.advantages{grid-template-columns:1fr}.feature-grid,.channel-cards{grid-template-columns:1fr}.feature-card.large-card,.feature-card.large-card:nth-child(2),.feature-card.small-card{height:240px}.feature-card>div{padding:45px}.download-section{padding:70px 24px}.channel-card{max-width:432px;margin:auto;width:100%}.admin-channels{grid-template-columns:1fr}.dashboard aside{display:none}.dashboard-content{padding:24px 18px}.admin-user{display:none}}
@media(min-width:1181px){body .feature-grid{display:block;height:570px;position:relative}body .feature-card{position:absolute}body .feature-card.large-card{top:0;height:240px}body .feature-card.large-card:nth-child(1){left:0}body .feature-card.large-card:nth-child(2){left:756px;margin-left:0}body .feature-card.small-card{top:312px;height:258px}body .feature-card.small-card:nth-child(3){left:0}body .feature-card.small-card:nth-child(4){left:504px}body .feature-card.small-card:nth-child(5){left:1008px}}
.feature-card>img{position:absolute;z-index:0;right:20px;top:20px;width:200px;height:200px;object-fit:cover}.feature-card.large-card:nth-child(2)>img{width:217px}.feature-card>div{position:relative;z-index:1}
body .hero-actions .download-button{background:transparent url('./assets/主按钮.png') center/100% 100% no-repeat!important;border:0!important;border-radius:8px!important}body .hero-actions .more-button{background:transparent url('./assets/主按钮1.png') center/100% 100% no-repeat!important;border:0!important;border-radius:8px!important}body .channel-card button{background:transparent url('./assets/卡片按钮.png') center/100% 100% no-repeat!important;border:0!important;border-radius:0!important}body .channel-card button:hover{filter:none!important}.feature-card>img{background:transparent!important}
body,button,input{font-family:"Source Han Sans CN","Noto Sans SC","Microsoft YaHei",sans-serif}body .hero-actions .download-button>img,body .hero-actions .more-button>img{width:20px;height:20px;display:block}body .hero-actions .download-button>img{filter:none}body .feature-card.small-card>div{width:190px}body .feature-card.small-card h3,body .feature-card.small-card p{width:165px;max-width:165px}body .download-section .section-heading.light h2{color:#191919!important;font-size:34px!important;line-height:34px!important;font-weight:500!important}body .download-section .download-intro{color:rgba(12,20,34,.41)!important;font-size:19px!important;line-height:28px!important;margin-top:30px!important}body .channel-card{background:#fff url('./assets/卡片bg1.png') center/100% 100% no-repeat!important;border-radius:0!important;cursor:pointer;transition:background-image .15s ease}body .channel-card.selected{background-image:url('./assets/卡片bg.png')!important}body .channel-card.selected h3,body .channel-card.selected .channel-subtitle,body .channel-card.selected .version,body .channel-card.selected .no-qr{color:#fff!important}body .channel-card.selected .qr-frame{background:rgba(255,255,255,.88)}body .channel-card.selected button{color:#fff!important}body .channel-card:not(.selected) button{color:#0c1422!important}
body .feature-card.large-card:nth-child(1)>img{width:180px;height:194px;right:32px;top:23px}body .feature-card.large-card:nth-child(2)>img{width:196px;height:196px;right:41px;top:23px}body .feature-card.small-card:nth-child(3)>img{width:168px;height:197px;right:26px;top:30px}body .feature-card.small-card:nth-child(4)>img{width:153px;height:183px;right:30px;top:38px}body .feature-card.small-card:nth-child(5)>img{width:161px;height:189px;right:25px;top:34px}body .feature-card.small-card>div{width:180px!important}body .feature-card.small-card h3,body .feature-card.small-card p{width:160px!important;max-width:160px!important}
@media(max-width:1180px){body .feature-card.small-card>img{width:82px!important;height:auto!important;right:12px!important;top:66px!important}body .feature-card.small-card>div{width:112px!important;padding:48px 18px!important}body .feature-card.small-card h3{width:112px!important;max-width:112px!important;font-size:23px!important;line-height:28px!important;white-space:nowrap}body .feature-card.small-card p{width:108px!important;max-width:108px!important;font-size:13px!important;line-height:21px!important}}
body .channel-card.selected button{background:transparent!important;border:1px solid #fff!important;border-radius:30px!important;color:#fff!important}body .feature-card.small-card>img{clip-path:inset(0 0 0 28px)}
body .channel-card.selected{background:#fff url('./assets/卡片bg1.png') center/100% 100% no-repeat!important}body .channel-card.selected h3{color:#191919!important}body .channel-card.selected .channel-subtitle,body .channel-card.selected .version,body .channel-card.selected .no-qr{color:#a7a7a7!important}body .channel-card.selected .qr-frame{background:#f5f5f5!important}body .channel-card.selected button{background:#d49959!important;border:0!important;border-radius:30px!important;color:#fff!important}body .feature-card.small-card>img{width:90px!important;height:auto!important;right:14px!important;top:auto!important;bottom:18px!important;clip-path:none!important}body .feature-card.small-card>div{width:210px!important;padding:48px 28px!important}body .feature-card.small-card h3,body .feature-card.small-card p{width:180px!important;max-width:180px!important}
html body .channel-card.selected{background:#fff url('./assets/卡片bg.png') center/100% 100% no-repeat!important}html body .channel-card.selected h3,html body .channel-card.selected .channel-subtitle,html body .channel-card.selected .version,html body .channel-card.selected .no-qr{color:#fff!important}html body .channel-card.selected .qr-frame{background:rgba(255,255,255,.92)!important}html body .channel-card.selected button{background:transparent!important;border:1px solid #fff!important;border-radius:30px!important;color:#fff!important}
html body .channel-card,html body .channel-card.selected{border-radius:30px!important;overflow:hidden}
html body .channel-card button,html body .channel-card.selected button{border-radius:30px!important}
html body .channel-card button{background:transparent!important;border:1px solid #0c1422!important;border-radius:30px!important;color:#0c1422!important}html body .channel-card.selected button{background:transparent!important;border-color:#fff!important;border-radius:30px!important;color:#fff!important}
/* 重写功能卡片：文案与插图拥有独立图层，禁止相互覆盖 */
html body .feature-card .feature-copy{position:absolute;z-index:2;padding:0}html body .feature-card .feature-art{position:absolute;z-index:1;display:block;line-height:0;pointer-events:none}html body .feature-card .feature-art img{position:static!important;display:block;width:100%!important;height:auto!important;max-width:none!important;clip-path:none!important;object-fit:contain}html body .feature-card.large-card .feature-copy{left:56px;top:58px;width:321px}html body .feature-card.large-card .feature-copy h3{width:100%;margin:0 0 28px}html body .feature-card.large-card .feature-copy p{width:321px;margin:0}html body .feature-card.large-card .feature-art{right:32px;top:23px;width:180px}html body .feature-card.large-card:nth-child(2) .feature-art{right:41px;width:196px}html body .feature-card.small-card .feature-copy{left:28px;top:60px;width:176px}html body .feature-card.small-card .feature-copy h3{width:176px;max-width:176px;margin:0 0 22px;font-size:28px;line-height:28px;white-space:nowrap}html body .feature-card.small-card .feature-copy p{width:170px;max-width:170px;margin:0;font-size:16px;line-height:26px}html body .feature-card.small-card .feature-art{right:20px;bottom:20px;width:105px}
@media(max-width:1180px){html body .feature-card.small-card .feature-copy{left:18px;top:44px;width:108px}html body .feature-card.small-card .feature-copy h3{width:108px;max-width:108px;font-size:22px;line-height:27px;margin-bottom:18px}html body .feature-card.small-card .feature-copy p{width:104px;max-width:104px;font-size:13px;line-height:20px}html body .feature-card.small-card .feature-art{right:12px;bottom:14px;width:68px}}
@media(min-width:1181px){html body .feature-grid{display:block!important;position:relative!important;width:1440px!important;height:570px!important}html body .feature-grid>.feature-card{display:block!important;position:absolute!important;visibility:visible!important;opacity:1!important;margin:0!important}html body .feature-grid>.feature-card:nth-child(1){left:0!important;top:0!important;width:684px!important;height:240px!important}html body .feature-grid>.feature-card:nth-child(2){left:756px!important;top:0!important;width:684px!important;height:240px!important}html body .feature-grid>.feature-card:nth-child(3){left:0!important;top:312px!important;width:432px!important;height:258px!important}html body .feature-grid>.feature-card:nth-child(4){left:504px!important;top:312px!important;width:432px!important;height:258px!important}html body .feature-grid>.feature-card:nth-child(5){left:1008px!important;top:312px!important;width:432px!important;height:258px!important}}
/* 标注稿小卡：清除历史 padding，按原始 x/y 与切图尺寸定位 */
html body .feature-card.small-card .feature-copy{left:28px!important;top:64px!important;width:176px!important;padding:0!important}html body .feature-card.small-card .feature-copy h3{width:176px!important;max-width:176px!important;font-size:28px!important;line-height:28px!important;margin:0 0 28px!important}html body .feature-card.small-card .feature-copy p{width:170px!important;max-width:170px!important;font-size:16px!important;line-height:26px!important;margin:0!important}html body .feature-card.small-card .feature-art{bottom:auto!important}html body .feature-card.small-card:nth-child(3) .feature-art{right:26px!important;top:30px!important;width:168px!important}html body .feature-card.small-card:nth-child(4) .feature-art{right:30px!important;top:38px!important;width:153px!important}html body .feature-card.small-card:nth-child(5) .feature-art{right:25px!important;top:34px!important;width:161px!important}
/* 官网渠道卡片：版本信息独占二维码上方一行，二维码图片填满展示区域。 */
.channel-card .version{position:static!important;margin:0 0 12px!important;line-height:20px!important}
.channel-card .qr-frame{margin:0 auto 18px!important;padding:0!important}
.channel-card .qr-frame img{width:100%!important;height:100%!important;max-width:none!important;object-fit:cover!important;transform:scale(1.18);transform-origin:center}

/* 2026-07-15 新版下载渠道卡片：选中、默认、未配置三种状态。 */
html body .channel-cards {
  width: 1424px;
  display: grid;
  grid-template-columns: repeat(3, 432px);
  align-items: start;
  gap: 64px;
}
html body .channel-card,
html body .channel-card.selected,
html body .channel-card.default,
html body .channel-card.unconfigured {
  width: 432px;
  height: 526px;
  padding: 0 !important;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: #191919;
  background: #fff !important;
  border: 2px solid #fff;
  border-radius: 30px !important;
  box-shadow: none;
  cursor: pointer;
}
html body .channel-card.unconfigured {
  height: 460px;
  cursor: default;
}
html body .channel-card .channel-card-main {
  position: relative;
  width: 428px;
  height: 456px;
  flex: 0 0 456px;
  overflow: hidden;
  border-radius: 28px;
  background: #fffaf0 url('./assets/卡片bg1.png') center / 100% 100% no-repeat;
}
html body .channel-card.selected .channel-card-main {
  background: linear-gradient(90deg, #e3c294 0%, #b98339 100%);
}
html body .channel-card .platform-icon,
html body .channel-card .channel-qr {
  position: absolute;
  top: 78px;
  left: 50%;
  width: 136px !important;
  height: 136px !important;
  margin: 0 !important;
  transform: translateX(-50%);
}
html body .channel-card .platform-icon {
  display: block;
  object-fit: contain;
}
html body .channel-card .channel-qr {
  display: grid;
  place-items: center;
  overflow: hidden;
  background: transparent;
}
html body .channel-card .channel-qr img {
  width: 136px;
  height: 136px;
  max-width: none;
  object-fit: cover;
  filter: none;
  mix-blend-mode: multiply;
  transform: scale(1.08);
  transform-origin: center;
}
html body .channel-card .qr-corner {
  position: absolute;
  z-index: 2;
  top: -2px;
  right: -2px;
  width: 120px;
  height: 120px;
  object-fit: contain;
}
html body .channel-card .channel-card-title,
html body .channel-card.selected .channel-card-title {
  position: absolute;
  top: 270px;
  left: 0;
  right: 0;
  width: auto;
  margin: 0;
  color: #191919 !important;
  font-size: 32px;
  font-weight: 500;
  line-height: 32px;
  text-align: center;
}
html body .channel-card .channel-subtitle,
html body .channel-card.selected .channel-subtitle {
  position: absolute;
  top: 326px;
  left: 0;
  right: 0;
  width: auto;
  margin: 0;
  color: #a7a7a7 !important;
  font-size: 16px;
  font-weight: 400;
  line-height: 16px;
  text-align: center;
}
html body .channel-card .version,
html body .channel-card.selected .version {
  position: absolute !important;
  top: 358px !important;
  left: 0;
  right: 0;
  width: auto;
  margin: 0 !important;
  color: #a7a7a7 !important;
  font-size: 16px;
  font-weight: 400;
  line-height: 16px !important;
  text-align: center;
}
html body .channel-card.unconfigured .version {
  color: #d49959 !important;
}
html body .channel-card .channel-download,
html body .channel-card.selected .channel-download {
  width: 100% !important;
  height: 66px;
  flex: 0 0 66px;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: #0c1422 !important;
  background: #fff !important;
  border: 0 !important;
  border-radius: 0 !important;
  font-size: 20px;
  font-weight: 400;
  line-height: 20px;
}
html body .channel-card .channel-download img {
  width: 20px;
  height: 20px;
  display: block;
}
html body .channel-card .channel-download:hover {
  background: #fffaf0 !important;
}
html body .channel-card:focus-within {
  outline: 2px solid rgba(212, 153, 89, .45);
  outline-offset: 4px;
}
@media (max-width: 1180px) {
  html body .channel-cards {
    width: 100%;
    grid-template-columns: repeat(3, minmax(300px, 432px));
    gap: 22px;
    overflow-x: auto;
    justify-content: start;
    padding-bottom: 12px;
  }
  html body .channel-card,
  html body .channel-card.selected,
  html body .channel-card.default,
  html body .channel-card.unconfigured {
    width: 100%;
    min-width: 300px;
  }
  html body .channel-card .channel-card-main {
    width: 100%;
  }
}
@media (max-width: 720px) {
  html body .channel-cards {
    grid-template-columns: 1fr;
    overflow: visible;
  }
  html body .channel-card,
  html body .channel-card.selected,
  html body .channel-card.default,
  html body .channel-card.unconfigured {
    width: min(432px, 100%);
    margin: 0 auto;
  }
}
/* 选中态文字与二维码对比度修正。 */
html body .channel-card.selected .channel-card-title {
  color: #fff !important;
}
html body .channel-card.selected .channel-subtitle,
html body .channel-card.selected .version {
  color: rgba(255, 255, 255, .78) !important;
}
/* 2026-07-15 移动端原型适配：375px 画板，桌面端样式保持不变。 */
@media (max-width:720px){
html{scroll-behavior:smooth;overflow-x:hidden}html body{min-width:0;overflow-x:hidden;background:#fffaf0}html body .site-shell{width:100%;min-width:0;overflow:hidden}
html body .nav-wrap{top:0;height:48px;padding:0 16px;border-bottom:1px solid rgba(212,153,89,.15)}html body .brand img{width:62px;height:24px;object-fit:contain}html body .support{gap:8px;color:#0c1422;font-size:12px;line-height:16px;pointer-events:none}html body .support img{width:16px;height:16px}
html body .hero{height:716px;background:#fffaf0 url('./assets/mobile-hero-complete.png') center 40px/375px 661px no-repeat}
html body .hero-copy{top:81px;left:50%;width:min(327px,calc(100% - 48px));height:560px;transform:translateX(-50%)}
html body .eyebrow{margin:0 0 3px;color:#d49959;font-size:14px;font-weight:600;line-height:17px}
html body .hero h1{width:210px;margin:0;color:#0c1422;font-size:36px;font-weight:500;line-height:42px;letter-spacing:0;white-space:normal}
html body .hero-description{width:100%;margin:20px 0 0;color:#a19990;font-size:12px;font-weight:400;line-height:22px}
html body .hero-actions{position:absolute;top:403px;left:21px;width:calc(100% - 42px);margin:0;display:grid;gap:16px}
html body .hero-actions a{width:100%;height:48px;gap:16px;border-radius:8px!important;font-size:16px;line-height:20px}
html body .hero-actions .download-button{color:#0c1422;background:rgba(255,255,255,.72)!important;border:1px solid #fff!important}
html body .hero-actions .more-button{color:#fff;background:#d49959!important;border:0!important}
html body .hero-actions .download-button>img,html body .hero-actions .more-button>img{width:20px;height:20px}html body .hero-phone{display:none}
html body .advantages{position:relative;z-index:2;width:100%;height:336px;margin:-80px 0 0;padding:24px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 15px;background:#fff;border-radius:24px 24px 0 0}
html body .advantages article{position:relative;height:136px;padding:16px;display:block;overflow:hidden;background:rgba(255,250,240,.72);border:1px solid rgba(212,153,89,.15);border-radius:8px}
html body .advantages article>img{width:32px;height:32px;margin:0 0 12px;display:block}html body .advantages article>div{width:100%}
html body .advantages h3{margin:0 0 8px;color:#0c1422;font-size:16px;font-weight:500;line-height:20px}
html body .advantages p{margin:0;color:rgba(12,20,34,.4);font-size:14px;font-weight:400;line-height:20px;white-space:normal}
html body .feature-section{width:100%;height:910px;padding:52px 24px 0;background:#fffaf0 url('./assets/mobile-feature-bg.png') center top/375px 933px no-repeat}
html body .section-heading h2,html body .download-section .section-heading.light h2{color:#0c1422!important;font-size:22px!important;font-weight:500!important;line-height:28px!important}
html body .feature-section .section-heading p{width:100%;margin:10px 0 0;color:rgba(12,20,34,.41);font-size:14px;line-height:20px}
html body .feature-grid{width:100%;height:auto;margin:68px 0 0;display:grid;grid-template-columns:1fr;grid-template-rows:repeat(5,108px);gap:28px}
html body .feature-grid>.feature-card,html body .feature-grid>.feature-card.large-card,html body .feature-grid>.feature-card.large-card:nth-child(2),html body .feature-grid>.feature-card.small-card{position:relative!important;left:auto!important;top:auto!important;width:100%!important;height:108px!important;margin:0!important;overflow:visible;background:rgba(255,250,240,.76) url('./assets/mobile-feature-card.png') center/100% 100% no-repeat!important;border:1px solid #fff;border-radius:16px}
html body .feature-card .feature-copy,html body .feature-card.large-card .feature-copy,html body .feature-card.small-card .feature-copy{position:absolute!important;top:24px!important;left:16px!important;width:calc(100% - 32px)!important;padding:0!important}
html body .feature-card .feature-copy h3,html body .feature-card.large-card .feature-copy h3,html body .feature-card.small-card .feature-copy h3{width:100%!important;max-width:none!important;margin:0 0 18px!important;color:#0c1422;font-size:20px!important;font-weight:500;line-height:24px!important;white-space:nowrap}
html body .feature-card .feature-copy p,html body .feature-card.large-card .feature-copy p,html body .feature-card.small-card .feature-copy p{width:100%!important;max-width:none!important;margin:0!important;color:rgba(12,20,34,.36);font-size:14px!important;line-height:20px!important}
html body .feature-card:nth-child(even) .feature-copy h3{padding-right:8px;text-align:right}
html body .feature-card .feature-art,html body .feature-card.large-card .feature-art,html body .feature-card.small-card .feature-art{z-index:3;top:-29px!important;right:0!important;bottom:auto!important;left:auto!important;width:88px!important;height:88px}
html body .feature-card:nth-child(even) .feature-art{right:auto!important;left:0!important}
html body .feature-card:nth-child(1) .feature-art img{content:url('./assets/mobile-feature-register.png')}html body .feature-card:nth-child(2) .feature-art img{content:url('./assets/mobile-feature-leave.png')}html body .feature-card:nth-child(3) .feature-art img{content:url('./assets/mobile-feature-message.png')}html body .feature-card:nth-child(4) .feature-art img{content:url('./assets/mobile-feature-workbench.png')}html body .feature-card:nth-child(5) .feature-art img{content:url('./assets/mobile-feature-news.png')}
html body .download-section{width:100%;height:790px;padding:52px 24px 0;background:#fffaf0 url('./assets/mobile-download-bg.png') center top/375px 875px no-repeat}
html body .download-section .download-intro{width:100%;margin:10px 0 0!important;color:rgba(12,20,34,.41)!important;font-size:14px!important;line-height:20px!important;text-align:center}
html body .channel-cards{width:100%;margin:40px 0 0;padding:0;display:grid;grid-template-columns:1fr;align-items:start;gap:24px;overflow:visible}
html body .channel-card,html body .channel-card.selected,html body .channel-card.default,html body .channel-card.unconfigured{width:100%;min-width:0;height:182px;margin:0;padding:0!important;display:flex;border:2px solid #fff;border-radius:24px!important;background:#fff!important;overflow:hidden}
html body .channel-card.unconfigured{height:148px}
html body .channel-card .channel-card-main{position:relative;width:100%;height:144px;flex:0 0 144px;border-radius:22px;background:rgba(255,250,240,.92);overflow:hidden}
html body .channel-card.selected .channel-card-main{background:linear-gradient(90deg,#e3c294 0%,#b98339 100%)}
html body .channel-card .platform-icon,html body .channel-card .channel-qr{top:30px;left:24px;width:80px!important;height:80px!important;margin:0!important;transform:none}
html body .channel-card .platform-icon{object-fit:contain}html body .channel-card .platform-android{content:url('./assets/mobile-android.png')}html body .channel-card .platform-ios{content:url('./assets/mobile-ios.png')}html body .channel-card .platform-harmony{content:url('./assets/mobile-harmony.png')}
html body .channel-card .channel-qr{display:block;background:transparent}html body .channel-card .channel-qr img{width:80px;height:80px;object-fit:cover;filter:none;mix-blend-mode:multiply;transform:scale(1.03)}
html body .channel-card .qr-corner{top:-2px;right:-2px;width:80px;height:80px;content:url('./assets/mobile-qr-corner.png')}
html body .channel-card .channel-card-title,html body .channel-card.selected .channel-card-title{top:30px;left:120px;right:12px;width:auto;color:#191919!important;font-size:20px;line-height:24px;text-align:left}
html body .channel-card .channel-subtitle,html body .channel-card.selected .channel-subtitle{top:66px;left:120px;right:12px;width:auto;color:#a7a7a7!important;font-size:14px;line-height:16px;text-align:left}
html body .channel-card .version,html body .channel-card.selected .version{top:94px!important;left:120px;right:12px;width:auto;color:#a7a7a7!important;font-size:14px;line-height:16px!important;text-align:left}
html body .channel-card.unconfigured .channel-card-title{top:22px}html body .channel-card.unconfigured .channel-subtitle{top:52px}html body .channel-card.unconfigured .version{top:106px!important;color:#d49959!important}
html body .channel-card.selected .channel-card-title{color:#fff!important}html body .channel-card.selected .channel-subtitle,html body .channel-card.selected .version{color:rgba(255,255,255,.78)!important}
html body .channel-card .channel-download,html body .channel-card.selected .channel-download{width:100%!important;height:34px;flex:0 0 34px;gap:10px;color:#0c1422!important;background:#fff!important;border:0!important;border-radius:0!important;font-size:16px;line-height:20px}
html body .channel-card .channel-download img{width:16px;height:16px}
html body footer{width:100%;height:85px;padding:0 24px 24px;display:flex;align-items:flex-end;justify-content:center;color:rgba(12,20,34,.45);background:#fffaf0 url('./assets/mobile-download-bg.png') center bottom/375px 875px no-repeat;font-size:12px;line-height:16px;text-align:center}
}
@media (max-width:360px){html body .advantages,html body .feature-section,html body .download-section{padding-right:18px;padding-left:18px}html body .hero-copy{width:calc(100% - 36px)}html body .hero-actions{left:18px;width:calc(100% - 36px)}}

@media (max-width:720px){html{scrollbar-width:none}html::-webkit-scrollbar,body::-webkit-scrollbar{display:none;width:0}html body .hero h1{width:327px}html body .hero h1 span{display:block}}

@media (max-width:720px){html body .hero{background-position:center -6px}html body .feature-grid{margin-top:72px}}

@media (max-width:720px){html body .feature-card.small-card:nth-child(3) .feature-art,html body .feature-card.small-card:nth-child(4) .feature-art,html body .feature-card.small-card:nth-child(5) .feature-art{top:-29px!important;bottom:auto!important;width:88px!important;height:88px!important}html body .feature-card.small-card:nth-child(3) .feature-art,html body .feature-card.small-card:nth-child(5) .feature-art{right:0!important;left:auto!important}html body .feature-card.small-card:nth-child(4) .feature-art{right:auto!important;left:0!important}html body .feature-card.small-card:nth-child(3) .feature-art img,html body .feature-card.small-card:nth-child(4) .feature-art img,html body .feature-card.small-card:nth-child(5) .feature-art img{width:88px!important;height:88px!important}}

/* 二维码白色区域与选中卡片底色融合，桌面端和移动端保持一致。 */
html body .channel-card.selected .channel-qr{background:transparent!important;isolation:auto!important}
html body .channel-card.selected .channel-qr img{background:transparent!important;mix-blend-mode:multiply!important}


/* 2026-07-15 移动端问题文档逐项修正。 */
@media (max-width:720px){
  html body .hero-actions .download-button{background:#fff!important}
  html body .advantages article{background:transparent!important}
  html body .feature-card .feature-copy h3,
  html body .feature-card.large-card .feature-copy h3,
  html body .feature-card.small-card .feature-copy h3{
    margin:0 0 4px!important;
    font-size:16px!important;
    line-height:16px!important
  }
  html body .download-section{
    width:100vw;
    margin-left:calc(50% - 50vw)
  }
  html body .channel-card.selected .channel-qr img{
    filter:invert(1)!important;
    mix-blend-mode:screen!important
  }
  html body footer{
    width:100vw;
    margin-left:calc(50% - 50vw);
    border-top:1px solid rgba(212,153,89,.15)
  }
}

/* 2026-07-15 移动端核心功能卡片边框像素补偿。 */
@media (max-width:720px){
  html body .feature-card .feature-copy,
  html body .feature-card.large-card .feature-copy,
  html body .feature-card.small-card .feature-copy{
    top:23px!important;
    left:15px!important;
    width:calc(100% - 30px)!important
  }
  html body .feature-card:nth-child(even) .feature-copy h3{
    padding-right:0!important
  }
}

/* 移动端背景随实际视口等比铺满，避免大于 375px 的设备出现两侧缝隙。 */
@media (max-width:720px){
  html body .hero,
  html body .feature-section,
  html body .download-section,
  html body footer{
    width:100vw;
    margin-left:calc(50% - 50vw);
    background-size:100% auto
  }
}

/* 移动端核心功能卡片按原型保持文字位于悬浮图标之上。 */
@media (max-width:720px){
  html body .feature-card .feature-copy,
  html body .feature-card.large-card .feature-copy,
  html body .feature-card.small-card .feature-copy{
    z-index:4!important
  }
  html body .feature-card .feature-art,
  html body .feature-card.large-card .feature-art,
  html body .feature-card.small-card .feature-art{
    z-index:3!important
  }
}

/* 移动端 Banner 使用新版纯背景，并单独叠加手机展示切图。 */
@media (max-width:720px){
  html body .hero{
    background-image:url('./assets/mobile-hero-bg.png')!important
  }
  html body .hero-phone{
    content:url('./assets/mobile-phone.png');
    display:block!important;
    position:absolute;
    z-index:0;
    top:305px!important;
    left:50%!important;
    right:auto!important;
    width:min(100vw,430px)!important;
    height:auto!important;
    margin:0!important;
    opacity:1!important;
    transform:translateX(-50%);
    object-fit:contain
  }
}

/* 移动端优势区域上下保持一致圆角。 */
@media (max-width:720px){
  html body .advantages{
    border-radius:24px
  }
}

/* iOS 底部安全区使用 Footer 背景填充，Android 的安全区值为 0。 */
@media (max-width:720px){
  html,
  html body,
  html body .site-shell{
    background-color:#fffaf0
  }
  html body footer{
    height:calc(85px + constant(safe-area-inset-bottom));
    height:calc(85px + env(safe-area-inset-bottom));
    padding-bottom:calc(24px + constant(safe-area-inset-bottom));
    padding-bottom:calc(24px + env(safe-area-inset-bottom))
  }
}
/* Dual hotline layout */
html body .support{gap:28px;white-space:nowrap}
html body .support-item{display:inline-flex;align-items:center;gap:8px;color:#d49959;font-size:14px;font-weight:500}
html body .support-item img{width:16px;height:16px;flex:0 0 auto}
@media(max-width:720px){
  html body .nav-wrap{padding-left:14px;padding-right:14px}
  html body .support{gap:9px}
  html body .support-item{gap:3px;font-size:10px;line-height:14px}
  html body .support-item img{width:12px;height:12px}
}