*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F6F8FF;color:#222;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#3559c7;text-decoration:none}a:hover{text-decoration:none}img{max-width:100%}button{font:inherit}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:linear-gradient(135deg,#F7F9FF 0%,#ECF0FF 52%,#EAF7FF 100%);box-shadow:0 8px 24px rgba(89,126,247,.10);backdrop-filter:blur(12px)}.header-inner{max-width:1200px;min-height:72px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img,.drawer-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}.logo-placeholder,.footer-logo-placeholder{display:block;width:168px;height:40px;border-radius:10px;background:linear-gradient(135deg,#ECF0FF,#EAF7FF);border:1px solid rgba(89,126,247,.16)}.nav-core{display:flex;align-items:center;gap:8px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:#1D2B5F;padding:8px 10px;border-radius:999px;font-weight:700;text-decoration:none;font-size:14px}.nav-core a.is-current,.nav-core a:hover{background:rgba(255,255,255,.82);color:#597EF7}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.login-link{color:#1D2B5F;font-weight:700;padding:8px 6px}.main-btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(135deg,#7580EE 0%,#597EF7 48%,#7AC4F5 100%);color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 24px rgba(89,126,247,.28)}.main-btn::before{content:"";position:absolute;inset:-2px;border-radius:inherit;background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,.85) 35%,transparent 70%);transform:translateX(-120%);animation:btnShine 2.4s infinite;z-index:-1}.main-btn::after{content:"";position:absolute;inset:-1px;border-radius:inherit;border:1px solid rgba(255,255,255,.65);box-shadow:0 0 8px rgba(122,196,245,.55),0 0 18px rgba(89,126,247,.35);pointer-events:none}@keyframes btnShine{0%{transform:translateX(-120%)}55%{transform:translateX(120%)}100%{transform:translateX(120%)}}.menu-toggle,.mobile-register{display:none}.channel-bar{background:#fff;border-bottom:1px solid rgba(89,126,247,.12)}.channel-scroll{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;gap:2px;overflow-x:auto;scrollbar-width:thin}.channel-scroll a{flex:0 0 auto;color:#5B647A;padding:11px 9px;font-size:13px}.channel-scroll a:hover{color:#597EF7}.mobile-drawer,.drawer-mask{display:none}main{min-height:60vh}.page-wrap{max-width:1200px;margin:0 auto;padding:64px 20px 80px}.article-wrap{max-width:860px;margin:0 auto;padding:64px 20px 80px}.page-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:32px;align-items:center;margin-bottom:48px}.page-hero.no-media{grid-template-columns:1fr}.eyebrow{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;background:#ECF0FF;color:#597EF7;font-size:13px;font-weight:700}.page-hero h1,.article-head h1{font-size:clamp(38px,5vw,50px);line-height:1.15;color:#1D2B5F;margin:14px 0 16px;letter-spacing:-.02em}.page-hero p,.article-head p{font-size:17px;line-height:1.85;color:#5B647A;margin:0}.hero-actions{display:flex;gap:12px;align-items:center;margin-top:24px;flex-wrap:wrap}.text-link{font-weight:700;color:#597EF7}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#ECF0FF;aspect-ratio:16/9;border:1px solid rgba(89,126,247,.12)}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#ECF0FF 0%,#EAF7FF 100%)}.media.compact{height:184px;aspect-ratio:auto}.media.feature{height:250px;aspect-ratio:auto}.section{margin-top:64px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-title h2,.content-block h2,.article-body h2{margin:0;color:#1D2B5F;font-size:28px;line-height:1.28}.section-title p{margin:0;color:#5B647A;max-width:620px;line-height:1.7}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.info-card{background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:18px;padding:24px;box-shadow:0 16px 40px rgba(89,126,247,.10)}.info-card h3{margin:0 0 10px;color:#1D2B5F;font-size:20px}.info-card p{margin:0;color:#5B647A;line-height:1.75}.info-card a{display:inline-block;margin-top:14px;font-weight:700}.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.split.reverse .media{order:2}.split.reverse .content-block{order:1}.content-block p,.article-body p{font-size:16px;line-height:1.85;color:#333;margin:14px 0}.content-block ul,.content-block ol,.article-body ul,.article-body ol{padding-left:22px;color:#333;line-height:1.85}.notice-strip{padding:20px 24px;background:linear-gradient(135deg,#ECF0FF,#EAF7FF);border:1px solid rgba(89,126,247,.16);border-radius:18px;color:#33446f;line-height:1.8}.pill-row{display:flex;gap:10px;overflow-x:auto;padding:4px 0 8px}.pill-row a{flex:0 0 auto;background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:999px;padding:9px 14px;color:#44506b;font-weight:700}.hero-slider{position:relative;background:#101827;border-radius:18px;height:360px;overflow:hidden;box-shadow:0 18px 44px rgba(16,24,39,.18)}.hero-slide{position:absolute;inset:0;display:none;align-items:center;justify-content:center}.hero-slide.is-active{display:flex}.hero-slide .media{height:100%;aspect-ratio:auto;border:0;border-radius:0;background:#101827}.hero-slide .media-placeholder{background:linear-gradient(135deg,#101827,#1D2B5F)}.hero-slide .media>img{object-fit:contain}.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:40px;height:40px;border:0;border-radius:999px;background:rgba(255,255,255,.86);color:#1D2B5F;font-size:24px;cursor:pointer}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:8px;z-index:4}.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(255,255,255,.45);padding:0;cursor:pointer}.slider-dot.is-active{background:#fff}.topic-matrix .info-card{padding:18px}.topic-matrix .info-card h3{font-size:18px}.app-banner{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;padding:30px;background:linear-gradient(135deg,#fff,#ECF0FF);border:1px solid rgba(89,126,247,.16);border-radius:18px}.qa-list{display:grid;gap:14px}.qa-item{background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:16px;padding:20px}.qa-item h3{margin:0 0 8px;color:#1D2B5F}.qa-item p{margin:0;color:#5B647A;line-height:1.78}.article-head{margin-bottom:34px}.article-body{background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:18px;padding:32px;box-shadow:0 16px 40px rgba(89,126,247,.08)}.article-body h2{margin-top:34px}.article-body h2:first-child{margin-top:0}.toc{background:#ECF0FF;border-radius:16px;padding:20px;margin:22px 0}.toc a{display:block;padding:6px 0}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}.path-grid a{background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:16px;padding:18px;font-weight:700}.step-list{counter-reset:step;display:grid;gap:16px;padding:0!important;list-style:none}.step-list li{counter-increment:step;background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:16px;padding:20px 20px 20px 58px;position:relative}.step-list li::before{content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#597EF7;color:#fff;font-weight:700}.callout{border-left:4px solid #597EF7;background:#F7F9FF;padding:18px 20px;border-radius:0 14px 14px 0;color:#4d5870;line-height:1.8}.site-footer{background:#1F1F1F;color:#D7DCE8;padding:54px 20px 28px}.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}.site-footer h2{font-size:15px;color:#fff;margin:0 0 14px}.site-footer a{display:block;color:#D7DCE8;padding:5px 0;font-size:14px}.footer-brand img{height:40px;width:auto;object-fit:contain}.footer-brand p{line-height:1.75;max-width:340px}.footer-bottom{max-width:1200px;margin:34px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:24px;color:#aeb5c3;font-size:13px;line-height:1.7}.floating-tools{position:fixed;right:16px;top:38%;z-index:9000;display:flex;flex-direction:column;gap:8px;width:104px}.floating-tools>a,.floating-tools button{background:#fff;color:#3559c7;border:1px solid rgba(89,126,247,.16);border-radius:12px;padding:10px 8px;text-align:center;font-size:13px;box-shadow:0 10px 24px rgba(89,126,247,.10);cursor:pointer}.floating-tools .main-btn{height:42px;padding:0 8px;color:#fff;border-radius:999px}.mobile-bottom{display:none}
@media(max-width:1100px){.nav-core{gap:2px}.nav-core a{padding:8px 7px;font-size:13px}.header-inner{gap:10px}.grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}.floating-tools{display:none}}
@media(max-width:980px){.nav-core,.header-actions,.channel-bar{display:none}.menu-toggle,.mobile-register{display:inline-flex}.header-inner{min-height:64px;padding:0 14px;position:relative}.menu-toggle{width:42px;height:42px;flex-direction:column;justify-content:center;gap:5px;border:0;border-radius:12px;background:#fff;padding:0 11px}.menu-toggle span{display:block;width:20px;height:2px;background:#1D2B5F}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img,.drawer-logo img{height:36px;max-width:142px}.logo-placeholder{width:142px;height:36px}.mobile-register{height:40px;min-width:92px;padding:0 14px;margin-left:auto}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(29,43,95,.18);overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(16,24,39,.42);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #edf0f7;z-index:1}.drawer-close{width:40px;height:40px;border:0;border-radius:12px;background:#ECF0FF;color:#1D2B5F;font-size:26px}.drawer-groups{padding:10px 16px 28px}.drawer-groups section{padding:12px 0;border-bottom:1px solid #eef1f7}.drawer-groups h2{font-size:13px;color:#8a93a8;margin:0 0 6px}.drawer-groups a{display:block;color:#1D2B5F;padding:8px 0;font-weight:700}.page-wrap,.article-wrap{padding-top:46px;padding-bottom:94px}.page-hero{grid-template-columns:1fr}.hero-slider{height:290px}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.app-banner{grid-template-columns:1fr}.split.reverse .media,.split.reverse .content-block{order:initial}.footer-grid{grid-template-columns:repeat(2,1fr)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(89,126,247,.16);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{padding:12px 4px;text-align:center;color:#33446f;font-size:13px;font-weight:700}.footer-bottom{padding-bottom:52px}}
@media(max-width:680px){.page-hero h1,.article-head h1{font-size:clamp(28px,9vw,34px)}.page-hero p,.article-head p{font-size:16px}.page-wrap,.article-wrap{padding-left:16px;padding-right:16px}.hero-slider{height:210px}.grid-4,.grid-3,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.info-card{padding:18px}.topic-matrix .info-card{padding:14px}.topic-matrix .info-card h3{font-size:16px}.section{margin-top:48px}.section-title{display:block}.section-title h2,.content-block h2,.article-body h2{font-size:24px}.section-title p{margin-top:8px}.article-body{padding:22px 18px}.path-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.site-logo img{max-width:128px}.logo-placeholder{width:128px}.mobile-register{min-width:88px;padding:0 12px;font-size:13px}.menu-toggle{width:40px;height:40px}.media.feature{height:220px}.app-banner{padding:20px}}
@media(max-width:430px){.grid-3{grid-template-columns:1fr}.header-inner{gap:6px}.site-logo img{max-width:116px}.logo-placeholder{width:116px}.mobile-register{min-width:84px;font-size:12px;padding:0 10px}.topic-matrix .info-card{min-height:116px}}
/* ===== 2026-09-22 批量修复：注册入口可见性 ===== */
.main-btn,
a.main-btn,
.header-actions .main-btn,
.mobile-register,
.hero-actions .main-btn,
.hero-actions a,
.slider-register,
.carousel-register {
position: relative !important;
display: inline-flex !important;
align-items: center !important;
justify-content: center !important;
min-width: 96px !important;
min-height: 42px !important;
padding: 0 20px !important;
border: 0 !important;
border-radius: 999px !important;
background: linear-gradient(135deg,#7580EE 0%,#597EF7 48%,#7AC4F5 100%) !important;
color: #fff !important;
-webkit-text-fill-color: #fff !important;
font-size: 15px !important;
font-weight: 700 !important;
line-height: 42px !important;
text-indent: 0 !important;
opacity: 1 !important;
visibility: visible !important;
overflow: visible !important;
text-decoration: none !important;
white-space: nowrap !important;
z-index: 20 !important;
box-shadow: 0 10px 24px rgba(89,126,247,.28) !important;
}
.main-btn::before,
.main-btn::after {
pointer-events: none !important;
}
.hero-actions,
.slide-actions,
.slider-actions,
.banner-actions {
display: flex !important;
visibility: visible !important;
opacity: 1 !important;
position: relative !important;
z-index: 30 !important;
gap: 12px !important;
}
.hero-actions a,
.slide-actions a,
.slider-actions a,
.banner-actions a {
font-size: 15px !important;
color: #fff !important;
-webkit-text-fill-color: #fff !important;
}
/* 图片绝不能透明或隐藏 */
.media img,
.hero-slider img,
.slider img,
.carousel img,
.slide img,
.banner img {
display: block !important;
visibility: visible !important;
opacity: 1 !important;
max-width: 100% !important;
object-fit: contain !important;
object-position: center !important;
}
/* 手机菜单关闭时绝不能用透明遮罩盖住按钮 */
.drawer-mask {
pointer-events: none !important;
}
.drawer-mask.is-visible {
pointer-events: auto !important;
}
@media(max-width:980px){
.mobile-register {
display: inline-flex !important;
visibility: visible !important;
opacity: 1 !important;
font-size: 14px !important;
min-width: 82px !important;
padding: 0 14px !important;
}
}
/* ===== 注册入口去重修复 ===== */
/* 电脑端绝对隐藏手机注册按钮 */
.mobile-register{
display:none !important;
}
/* 删除上一轮误加到轮播中的注册入口 */
.slider-register,
.slide-actions .slider-register,
.hero-slider .slider-register,
.hero-carousel .slider-register,
.home-slider .slider-register{
display:none !important;
}
/* 电脑端只显示正常桌面注册 */
.desktop-register{
display:inline-flex !important;
}
/* 手机端：隐藏桌面按钮，只保留顶部一个注册入口 */
@media(max-width:980px){
.desktop-register{
display:none !important;
}
.mobile-register{
display:inline-flex !important;
align-items:center !important;
justify-content:center !important;
}
}
/* ===== FINAL REGISTER FIX ===== */
/* 电脑顶部 */
.header-actions{
display:flex !important;
align-items:center !important;
gap:10px !important;
}
.header-actions .login-link{
display:inline-flex !important;
align-items:center !important;
justify-content:center !important;
color:#1D2B5F !important;
font-weight:700 !important;
text-decoration:none !important;
white-space:nowrap !important;
}
.header-actions .desktop-register{
display:inline-flex !important;
}
/* 手机按钮电脑端绝对隐藏 */
.header-actions .mobile-register{
display:none !important;
}
/* 轮播只保留这一个注册入口 */
.carousel-register{
position:absolute !important;
left:50% !important;
bottom:58px !important;
transform:translateX(-50%) !important;
z-index:50 !important;
display:inline-flex !important;
align-items:center !important;
justify-content:center !important;
width:auto !important;
min-width:112px !important;
height:44px !important;
padding:0 22px !important;
border-radius:999px !important;
background:linear-gradient(135deg,#7580EE 0%,#597EF7 48%,#7AC4F5 100%) !important;
color:#fff !important;
-webkit-text-fill-color:#fff !important;
text-decoration:none !important;
font-weight:800 !important;
font-size:16px !important;
box-shadow:
0 10px 24px rgba(89,126,247,.35),
0 0 20px rgba(122,196,245,.35) !important;
}
/* 旧的错误按钮全部隐藏 */
.slider-register,
.slide-actions .slider-register,
.hero-actions .slider-register{
display:none !important;
}
/* 手机 */
@media(max-width:980px){
.header-actions .login-link,
.header-actions .desktop-register{
display:none !important;
}
.header-actions .mobile-register{
display:inline-flex !important;
align-items:center !important;
justify-content:center !important;
min-width:88px !important;
height:40px !important;
padding:0 13px !important;
}
.carousel-register{
bottom:42px !important;
min-width:96px !important;
height:40px !important;
padding:0 16px !important;
font-size:14px !important;
}
}
/* ===== TOPIC IMAGE CARDS FINAL START ===== */
.topic-grid{
align-items:stretch;
}
.topic-card.topic-card-photo{
padding:0 !important;
overflow:hidden !important;
display:block !important;
min-height:0 !important;
background:#fff !important;
border:1px solid rgba(89,126,247,.16) !important;
border-radius:18px !important;
text-decoration:none !important;
box-shadow:0 12px 30px rgba(89,126,247,.08) !important;
transition:transform .18s ease, box-shadow .18s ease !important;
}
.topic-card.topic-card-photo:hover{
transform:translateY(-3px);
box-shadow:0 18px 36px rgba(89,126,247,.14) !important;
}
.topic-card .topic-thumb{
display:block !important;
position:relative !important;
width:100% !important;
aspect-ratio:16/9 !important;
overflow:hidden !important;
background:#ECF0FF !important;
border-radius:0 !important;
padding:0 !important;
margin:0 !important;
}
.topic-card .topic-thumb img{
display:block !important;
width:100% !important;
height:100% !important;
max-width:100% !important;
object-fit:contain !important;
object-position:center center !important;
opacity:1 !important;
visibility:visible !important;
}
.topic-card .topic-image-missing{
display:block !important;
position:absolute !important;
inset:0 !important;
background:linear-gradient(135deg,#ECF0FF,#EAF7FF) !important;
}
.topic-card .topic-copy{
display:block !important;
padding:17px 18px 20px !important;
background:#fff !important;
}
.topic-card .topic-copy strong{
display:block !important;
margin:0 0 8px !important;
color:#1D2B5F !important;
font-size:19px !important;
line-height:1.4 !important;
}
.topic-card .topic-copy > span{
display:block !important;
color:#5B647A !important;
font-size:14px !important;
line-height:1.7 !important;
}
/* 电脑四列 */
@media(min-width:981px){
.topic-grid{
grid-template-columns:repeat(4,minmax(0,1fr)) !important;
}
}
/* 平板三列 */
@media(max-width:980px) and (min-width:641px){
.topic-grid{
grid-template-columns:repeat(3,minmax(0,1fr)) !important;
}
}
/* 手机两列 */
@media(max-width:640px){
.topic-grid{
grid-template-columns:repeat(2,minmax(0,1fr)) !important;
gap:12px !important;
}
.topic-card .topic-copy{
padding:13px 13px 16px !important;
}
.topic-card .topic-copy strong{
font-size:16px !important;
}
.topic-card .topic-copy > span{
font-size:13px !important;
}
}
/* ===== TOPIC IMAGE CARDS FINAL END ===== */