*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F6F8FF;color:#222;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}a{color:#3159c9;text-decoration:none}a:hover{text-decoration:none}img{max-width:100%}button,input{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,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;flex:0 0 auto}.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;min-width:136px;height:40px;padding:0 14px;border-radius:12px;background:#fff;color:#1D2B5F;font-weight:800;letter-spacing:.08em;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}.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}.header-login{font-weight:700;color:#1D2B5F;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%)}}.main-btn.compact{min-width:112px;height:40px}.menu-toggle,.mobile-register{display:none}.channel-bar{position:relative;z-index:9900;background:#fff;border-bottom:1px solid rgba(89,126,247,.10)}.channel-scroll{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;gap:18px;overflow-x:auto;scrollbar-width:none}.channel-scroll::-webkit-scrollbar{display:none}.channel-scroll a{white-space:nowrap;color:#5B647A;font-size:14px;font-weight:700}.channel-scroll a:hover,.channel-scroll a.is-current{color:#597EF7}.mobile-drawer,.drawer-mask{display:none}.site-main{max-width:100%;padding-bottom:0}.section{padding:68px 20px}.section.compact{padding-top:42px;padding-bottom:42px}.container{width:min(1200px,100%);margin:0 auto}.reading{width:min(860px,100%);margin:0 auto}.eyebrow{display:inline-flex;padding:5px 12px;border-radius:999px;background:#ECF0FF;color:#597EF7;font-weight:800;font-size:13px;letter-spacing:.06em}.page-hero{padding:62px 20px 34px}.page-hero .wrap{width:min(920px,100%);margin:0 auto}.page-hero h1,.home-intro h1{margin:14px 0 16px;color:#1D2B5F;font-size:clamp(32px,4.3vw,50px);line-height:1.18;letter-spacing:-.02em}.page-hero p,.home-intro p{margin:0;color:#5B647A;font-size:18px}.hero-actions{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:#3159c9}.surface{background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:18px;box-shadow:0 16px 40px rgba(89,126,247,.10)}.article-block{padding:28px;margin:0 0 22px}.article-block h2,.split h2,.guide-grid h2,.faq-list h2{margin:0 0 12px;color:#1D2B5F;font-size:25px;line-height:1.35}.article-block h3{margin:20px 0 8px;color:#1D2B5F}.article-block p{margin:0 0 14px}.article-block p:last-child{margin-bottom:0}.article-block ul,.article-block ol{margin:12px 0 0;padding-left:1.25em}.article-block li{margin:7px 0}.notice{padding:20px 22px;border-radius:16px;background:linear-gradient(135deg,#ECF0FF,#EAF7FF);border:1px solid rgba(89,126,247,.16);color:#2d3d72}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px;align-items:center}.split.reverse .media-wrap{order:2}.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.card-media{height:174px;aspect-ratio:auto}.media.story-media{height:246px;aspect-ratio:auto}.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#ECF0FF 0%,#EAF7FF 100%)}.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.link-card{display:block;padding:22px;border-radius:16px;background:#fff;border:1px solid rgba(89,126,247,.16);box-shadow:0 10px 28px rgba(89,126,247,.08);color:#222}.link-card strong{display:block;color:#1D2B5F;font-size:18px;margin-bottom:5px}.link-card span{color:#5B647A}.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.topic-card{padding:18px;background:#fff;border-radius:16px;border:1px solid rgba(89,126,247,.16);min-height:132px}.topic-card strong{display:block;color:#1D2B5F;font-size:17px;margin-bottom:6px}.topic-card p{margin:0;color:#5B647A;font-size:14px}.topic-card a{font-weight:800}.steps{counter-reset:step;display:grid;gap:16px}.step{position:relative;padding:20px 20px 20px 70px;background:#fff;border-radius:16px;border:1px solid rgba(89,126,247,.16)}.step::before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#ECF0FF;color:#597EF7;font-weight:900}.step h2,.step h3{margin:0 0 6px;color:#1D2B5F}.step p{margin:0}.pill-row{display:flex;gap:10px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}.pill-row::-webkit-scrollbar{display:none}.pill-row a{flex:0 0 auto;padding:9px 14px;border-radius:999px;background:#fff;border:1px solid rgba(89,126,247,.16);font-weight:800;color:#40507a}.faq-list{display:grid;gap:14px}.faq-item{padding:20px 22px;background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:16px}.faq-item h2,.faq-item h3{margin:0 0 8px;color:#1D2B5F;font-size:19px}.faq-item p{margin:0;color:#4b556b}.side-tools{position:fixed;right:12px;top:44%;z-index:9000;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;width:122px;padding:10px;border-radius:16px;background:#fff;box-shadow:0 16px 40px rgba(89,126,247,.14);border:1px solid rgba(89,126,247,.16)}.side-tools a,.side-tools button{min-height:38px;border:0;border-radius:10px;background:#F6F8FF;color:#3159c9;font-weight:800;display:grid;place-items:center;cursor:pointer}.side-tools .main-btn{color:#fff;background:linear-gradient(135deg,#7580EE,#597EF7 48%,#7AC4F5)}.mobile-bottom{display:none}.site-footer{background:#1F1F1F;color:#D7DCE8;padding:54px 20px 20px}.footer-grid{width:min(1200px,100%);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}.footer-grid h2{font-size:16px;color:#fff;margin:0 0 12px}.footer-grid a{display:block;color:#D7DCE8;margin:6px 0}.footer-grid p{margin:14px 0 0;color:#bfc5d2}.footer-logo img{height:38px;width:auto;max-width:160px;object-fit:contain}.footer-logo .logo-placeholder{background:#2b2b2b;color:#fff;border-color:#444}.footer-bottom{width:min(1200px,100%);margin:34px auto 0;padding-top:20px;border-top:1px solid #333;font-size:13px;color:#aeb5c1;display:flex;justify-content:space-between;gap:24px}.footer-bottom p{margin:0}.hero-slider{position:relative;width:min(1200px,calc(100% - 40px));height:360px;margin:26px auto 0;background:#101827;border-radius:18px;overflow:hidden}.hero-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s ease;display:grid;place-items:center}.hero-slide.is-active{opacity:1;pointer-events:auto}.hero-slide img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-placeholder{position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(122,196,245,.28),transparent 36%),linear-gradient(135deg,#101827,#1d2b5f)}.hero-prev,.hero-next{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(16,24,39,.62);color:#fff;cursor:pointer}.hero-prev{left:16px}.hero-next{right:16px}.hero-dots{position:absolute;z-index:5;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px}.hero-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.45);cursor:pointer}.hero-dot.is-active{background:#fff;transform:scale(1.25)}.home-intro{width:min(1200px,100%);margin:0 auto;padding:56px 20px 22px}.observation{width:min(1200px,calc(100% - 40px));margin:18px auto 0;padding:18px 22px;border-radius:16px;background:#fff;border:1px solid rgba(89,126,247,.16);color:#46516d}.app-banner{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:center;padding:28px;background:linear-gradient(135deg,#fff,#ECF0FF);border-radius:18px;border:1px solid rgba(89,126,247,.16)}.app-banner h2{margin:0 0 8px;color:#1D2B5F}.app-banner p{margin:0;color:#5B647A}.mini-list{display:grid;gap:12px}.mini-list a{padding:14px 16px;border-radius:14px;background:#fff;border:1px solid rgba(89,126,247,.16);font-weight:800;color:#1D2B5F}.section-title{margin:0 0 22px;color:#1D2B5F;font-size:30px;line-height:1.25}.section-lead{margin:-10px 0 24px;color:#5B647A}.two-col-text{display:grid;grid-template-columns:1fr 1fr;gap:18px}.quote-note{padding:22px;border-left:4px solid #597EF7;background:#fff;border-radius:0 16px 16px 0;color:#46516d}.route-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.route-list a{padding:18px;border-radius:16px;background:#fff;border:1px solid rgba(89,126,247,.16);color:#1D2B5F;font-weight:800}.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.meta-chip{padding:6px 10px;border-radius:999px;background:#ECF0FF;color:#44588f;font-size:13px;font-weight:800}
@media(max-width:1180px){.side-tools{display:none}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:980px){body{padding-bottom:68px}.header-inner{min-height:64px;padding:0 14px}.nav-core,.header-actions,.channel-bar{display:none}.menu-toggle{display:inline-flex;width:42px;height:42px;border:0;background:transparent;padding:9px;flex-direction:column;justify-content:center;gap:5px}.menu-toggle span{display:block;width:22px;height:2px;background:#1D2B5F;border-radius:2px}.mobile-register{display:inline-flex;height:40px;min-width:90px;padding:0 14px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:36px;max-width:146px}.site-logo .logo-placeholder{min-width:124px;height:36px}.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;padding-bottom:30px}.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}.drawer-logo img{height:34px;width:auto;max-width:142px;object-fit:contain}.drawer-close{width:40px;height:40px;border:0;background:#F6F8FF;border-radius:50%;font-size:26px;color:#1D2B5F}.drawer-group{padding:16px 18px 8px}.drawer-group strong{display:block;color:#597EF7;font-size:13px;margin-bottom:8px}.drawer-group a{display:block;padding:8px 0;color:#1D2B5F;font-weight:700}.drawer-open{overflow:hidden}.mobile-bottom{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:9500;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{min-height:58px;display:grid;place-items:center;color:#1D2B5F;font-size:14px;font-weight:800}.section{padding:52px 16px}.page-hero{padding:48px 16px 28px}.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-slider{width:calc(100% - 28px);height:286px;margin-top:18px}.observation{width:calc(100% - 28px)}.app-banner{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-bottom{flex-direction:column}.split{grid-template-columns:1fr}.split.reverse .media-wrap{order:0}}
@media(max-width:640px){body{font-size:16px}.header-inner{gap:8px}.site-logo img{max-width:132px}.site-logo .logo-placeholder{min-width:112px;font-size:14px}.mobile-register{min-width:84px;padding:0 11px;font-size:14px}.page-hero h1,.home-intro h1{font-size:clamp(28px,9vw,34px)}.page-hero p,.home-intro p{font-size:16px}.hero-slider{height:210px;border-radius:16px}.hero-prev,.hero-next{width:36px;height:36px}.section{padding:44px 14px}.section-title{font-size:26px}.article-block{padding:21px}.link-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-card{min-height:122px;padding:14px}.two-col-text,.route-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{gap:10px}.media.story-media{height:220px}.app-banner{padding:22px}.home-intro{padding:42px 14px 18px}.observation{width:calc(100% - 28px);padding:16px}.step{padding-left:62px}.step::before{left:16px}}

@media(min-width:1181px){.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 ===== */