*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:#F6F8FF;color:#222;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}img{max-width:100%}a{color: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,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;text-decoration:none}.logo-media,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;justify-content:center}.site-logo img,.site-logo .media-placeholder{display:block;height:40px;width:168px;max-width:168px;object-fit:contain}.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:12px;white-space:nowrap}.login-link{text-decoration:none;color:#1D2B5F;font-weight:700}.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:#FFF;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%)}}.mobile-register,.menu-toggle{display:none}.channel-wrap{background:#fff;border-bottom:1px solid rgba(89,126,247,.12)}.channel-bar{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;gap:8px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.channel-bar a{text-decoration:none;color:#5B647A;padding:6px 9px;border-radius:999px;font-size:13px}.channel-bar a:hover,.channel-bar a.is-current{color:#597EF7;background:#F3F6FF}.site-main{min-height:60vh}.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}.reading{width:min(860px,calc(100% - 40px));margin:0 auto}.section{padding:64px 0}.section-tight{padding:42px 0}.eyebrow{color:#597EF7;font-weight:800;letter-spacing:.06em}.hero-copy h1,.page-hero h1{font-size:clamp(38px,4vw,50px);line-height:1.15;color:#1D2B5F;margin:.15em 0 .4em}.page-hero{padding:70px 0 42px;background:linear-gradient(180deg,#EFF3FF 0%,#F6F8FF 100%)}.page-hero p{max-width:760px;font-size:18px;color:#5B647A;margin:0}.hero-slider{position:relative;background:#101827;border-radius:18px;overflow:hidden;min-height:360px}.hero-slide{display:none;position:relative;height:360px}.hero-slide.is-active{display:block}.hero-slide .media{height:100%;aspect-ratio:auto;background:#101827;border-radius:0}.hero-slide .media-placeholder{background:linear-gradient(135deg,#13213e,#1d315d)}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:#1D2B5F;font-size:24px;cursor:pointer}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:8px;z-index:5}.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.45);padding:0;cursor:pointer}.slider-dot.is-active{background:#fff}.quick-pills{display:flex;gap:10px;overflow-x:auto;padding:18px 0 4px;white-space:nowrap}.quick-pills a{background:#fff;color:#1D2B5F;text-decoration:none;padding:9px 15px;border-radius:999px;border:1px solid rgba(89,126,247,.16);font-weight:700}.notice-strip{background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:16px;padding:20px 24px;box-shadow:0 16px 40px rgba(89,126,247,.10)}.grid-2,.grid-3,.grid-4{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.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)}.card h2,.card h3{color:#1D2B5F;margin-top:0;line-height:1.35}.card p{color:#5B647A}.card-link{display:inline-flex;color:#597EF7;font-weight:800;text-decoration:none}.topic-card{padding:0;overflow:hidden}.topic-card .media{border-radius:0;height:174px}.topic-card .topic-body{padding:18px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#ECF0FF;aspect-ratio:16/9}.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;display:block;background:linear-gradient(135deg,#ECF0FF,#EAF7FF)}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.split.reverse{grid-template-columns:.95fr 1.05fr}.split.reverse .split-media{order:2}.split-media .media{height:250px;aspect-ratio:auto}.split h2{color:#1D2B5F;font-size:30px;line-height:1.25;margin-top:0}.prose h2{color:#1D2B5F;font-size:28px;margin:1.6em 0 .5em}.prose h3{color:#1D2B5F;font-size:21px;margin:1.4em 0 .45em}.prose p,.prose li{font-size:17px}.prose ul,.prose ol{padding-left:1.35em}.path-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.path-box{background:#fff;border-radius:16px;padding:22px;border:1px solid rgba(89,126,247,.16)}.path-box h2,.path-box h3{margin-top:0;color:#1D2B5F}.step-list{counter-reset:step;display:grid;gap:16px}.step{counter-increment:step;background:#fff;border-radius:16px;padding:22px 22px 22px 72px;position:relative;border:1px solid rgba(89,126,247,.16)}.step:before{content:counter(step);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#ECF0FF;color:#597EF7;font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:16px;padding:20px}.faq-item h2,.faq-item h3{margin:0 0 8px;color:#1D2B5F}.faq-item p{margin:0;color:#5B647A}.compliance{background:linear-gradient(135deg,#ECF0FF,#EAF7FF);border-radius:18px;padding:26px;border:1px solid rgba(89,126,247,.16)}.link-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.link-list a{background:#fff;border-radius:12px;padding:12px 14px;text-decoration:none;color:#1D2B5F;border:1px solid rgba(89,126,247,.14)}.app-banner{background:linear-gradient(135deg,#ECF0FF,#EAF7FF);border-radius:18px;padding:26px;display:flex;align-items:center;justify-content:space-between;gap:20px}.app-banner h2{margin:0;color:#1D2B5F}.app-banner p{margin:.3em 0 0;color:#5B647A}.app-banner a{color:#597EF7;font-weight:800;text-decoration:none}.site-footer{background:#1F1F1F;color:#D7DCE8;padding:52px 0 90px}.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:34px}.footer-grid section{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.footer-grid h2{color:#fff;font-size:17px;margin:0 0 8px}.footer-grid a{color:#D7DCE8;text-decoration:none}.footer-brand p{margin:0;max-width:320px}.footer-logo img,.footer-logo .media-placeholder{display:block;width:150px;height:40px;object-fit:contain;position:relative}.footer-bottom{width:min(1200px,calc(100% - 40px));margin:34px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#aeb7c7}.float-tools{position:fixed;right:14px;top:38%;z-index:9000;display:flex;flex-direction:column;gap:8px;width:110px}.float-tools>a,.float-tools>button{background:#fff;color:#597EF7;border:1px solid rgba(89,126,247,.16);border-radius:999px;padding:9px 10px;text-decoration:none;text-align:center;font-weight:700;font-family:inherit}.float-tools .main-btn{color:#fff;height:40px;min-width:0}.to-top{cursor:pointer}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.noscript-nav{display:none}.table-lite{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}.table-lite th,.table-lite td{padding:14px;border-bottom:1px solid #ECF0FF;text-align:left}.table-lite th{color:#1D2B5F;background:#F7F9FF}
@media(max-width:1100px){.nav-core{gap:2px}.nav-core a{padding:8px 7px;font-size:13px}.float-tools{display:none}.grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:980px){.channel-wrap,.nav-core,.header-actions{display:none}.header-inner{min-height:64px;display:grid;grid-template-columns:1fr auto 1fr;padding:0 14px}.menu-toggle{justify-self:start;display:inline-flex;width:42px;height:42px;border:0;background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:5px}.menu-toggle span{width:22px;height:2px;background:#1D2B5F;border-radius:2px}.site-logo{justify-self:center}.site-logo img,.site-logo .media-placeholder{height:36px;width:150px}.mobile-register{display:inline-flex;justify-self:end;height:40px;min-width:90px;padding:0 14px;font-size:13px}.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)}.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{height:66px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ECF0FF}.drawer-logo img,.drawer-logo .media-placeholder{width:145px;height:36px;object-fit:contain;position:relative}.drawer-close{width:40px;height:40px;border:0;background:#F6F8FF;border-radius:50%;font-size:26px;color:#1D2B5F}.drawer-scroll{height:calc(100vh - 66px);overflow:auto;padding:14px 16px 28px}.drawer-scroll section{margin-bottom:18px}.drawer-scroll h2{font-size:13px;color:#8a93a6;margin:0 0 8px}.drawer-scroll a{display:block;padding:10px 0;text-decoration:none;color:#1D2B5F;font-weight:700;border-bottom:1px solid #F0F2F8}.drawer-open{overflow:hidden}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.split.reverse{grid-template-columns:1fr}.split.reverse .split-media{order:0}.path-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9800;height:58px;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #ECF0FF;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:grid;place-items:center;text-decoration:none;color:#1D2B5F;font-weight:700;font-size:13px}.site-footer{padding-bottom:110px}.noscript-nav{display:flex;gap:8px;overflow-x:auto;background:#fff;padding:10px 14px}.noscript-nav a{white-space:nowrap;text-decoration:none;color:#1D2B5F}}
@media(max-width:680px){.wrap,.reading{width:min(100% - 28px,1200px)}.section{padding:48px 0}.section-tight{padding:34px 0}.page-hero{padding:50px 0 34px}.hero-copy h1,.page-hero h1{font-size:clamp(28px,9vw,34px)}.page-hero p{font-size:16px}.hero-slider,.hero-slide{min-height:0;height:210px}.slider-arrow{width:36px;height:36px}.grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{padding:18px}.topic-card .media{height:160px}.split h2{font-size:25px}.prose h2{font-size:24px}.prose p,.prose li{font-size:16px}.link-list{grid-template-columns:1fr}.app-banner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.footer-grid section:not(.footer-brand){display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid section h2{grid-column:1/-1}.step{padding-left:66px}}
@media(max-width:430px){.header-inner{padding:0 10px;gap:8px}.site-logo img,.site-logo .media-placeholder{width:132px}.mobile-register{min-width:84px;padding:0 10px;font-size:12px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr}.topic-card .media{height:150px}}
/* Missing local logo placeholders must occupy normal layout space. */
.site-logo .media-placeholder,
.drawer-logo .media-placeholder,
.footer-logo .media-placeholder{position:relative;inset:auto}
@media(min-width:1101px){.site-main{padding-right:68px}}
/* ===== 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 ===== */