/* ===== dn-binance.com — 币说 CoinTalk ===== */
/* Rose #be123c + Dark slate #1e293b · Container 1120px */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:56px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC",sans-serif;color:#1e293b;background:#f8fafc;line-height:1.7;font-size:16px}
a{color:#be123c;text-decoration:none}
a:hover{color:#9f1239}
img{max-width:100%;height:auto}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:8px;font-size:.9rem;font-weight:600;transition:all .2s;border:none;cursor:pointer}
.btn--primary{background:#be123c;color:#fff}
.btn--primary:hover{background:#9f1239;color:#fff}
.btn--outline{border:1.5px solid #be123c;color:#be123c;background:transparent}
.btn--outline:hover{background:#be123c;color:#fff}
.btn--white{background:#fff;color:#be123c}
.btn--white:hover{background:#fef2f2;color:#9f1239}
.btn--ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff;background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--sm{padding:8px 16px;font-size:.85rem}

/* ===== Header — dark minimal single row ===== */
.site-header{background:#1e293b;position:sticky;top:0;z-index:100;transition:all .3s}
.site-header--scrolled{box-shadow:0 2px 16px rgba(0,0,0,.25)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.site-header__brand{display:flex;align-items:center;gap:8px;flex-shrink:0}
.site-header__logo{width:36px;height:36px;background:#be123c;color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700}
.site-header__brand-name{font-size:1.1rem;font-weight:700;color:#fff}
.site-header__right{display:flex;align-items:center;gap:20px}
.site-header__right a{color:#cbd5e1;font-size:.9rem;font-weight:500;transition:color .2s}
.site-header__right a:hover{color:#fff}
.lang-switch{display:flex;align-items:center;gap:2px;font-size:.8rem;margin-left:8px}
.lang-switch a{color:#64748b;padding:2px 4px}
.lang-switch a:hover,.lang-switch a.active{color:#f1f5f9;font-weight:600}
.lang-switch__sep{color:#475569}
.site-header__cta{background:#be123c;color:#fff;padding:7px 16px;border-radius:6px;font-size:.85rem;font-weight:600;transition:background .2s;white-space:nowrap}
.site-header__cta:hover{background:#9f1239;color:#fff}
.site-header__burger{display:none;background:none;border:none;cursor:pointer;color:#cbd5e1;width:32px;height:32px}
.site-header__burger svg{width:24px;height:24px}

/* ===== Mobile slide-in drawer (right side) ===== */
.mobile-drawer{position:fixed;top:0;right:0;width:280px;height:100%;background:#1e293b;z-index:201;transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.mobile-drawer--open{transform:translateX(0)}
.mobile-drawer__backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200}
.mobile-drawer__backdrop--open{display:block}
.mobile-drawer__close{align-self:flex-end;background:none;border:none;color:#94a3b8;width:36px;height:36px;cursor:pointer;margin-bottom:16px}
.mobile-drawer__close svg{width:24px;height:24px}
.mobile-drawer a{display:block;color:#e2e8f0;font-size:1.05rem;font-weight:500;padding:12px 0;border-bottom:1px solid #334155;transition:color .2s}
.mobile-drawer a:hover{color:#fda4af}
.mobile-drawer__cta{display:block;margin-top:16px;background:#be123c;color:#fff;text-align:center;padding:12px;border-radius:8px;font-weight:600;font-size:.95rem;border-bottom:none}
.mobile-drawer__cta:hover{background:#9f1239;color:#fff}
.mobile-drawer__lang{display:flex;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid #334155}
.mobile-drawer__lang a{font-size:.88rem;color:#64748b;padding:4px 0;border-bottom:none}
.mobile-drawer__lang a:hover,.mobile-drawer__lang a.active{color:#fda4af}

@media(max-width:768px){
  .site-header__right{display:none}
  .site-header__burger{display:block}
}

/* ===== Hero — dark bg with left text ===== */
.hero{background:#1e293b;color:#fff;padding:72px 0 64px}
.hero__inner{display:flex;align-items:center;gap:48px}
.hero__text{flex:1}
.hero__title{font-size:2.2rem;font-weight:800;line-height:1.3;margin-bottom:12px}
.hero__desc{font-size:1.05rem;color:#94a3b8;margin-bottom:28px;line-height:1.6}
.hero__btns{display:flex;gap:12px;flex-wrap:wrap}
.hero__visual{flex:0 0 280px;text-align:center;font-size:7rem;line-height:1;opacity:.15;font-weight:900;color:#be123c}
@media(max-width:768px){
  .hero{padding:44px 0 40px}
  .hero__inner{flex-direction:column;gap:20px;text-align:center}
  .hero__title{font-size:1.6rem}
  .hero__visual{display:none}
  .hero__btns{justify-content:center}
}

/* ===== Category chips bar (horizontal scroll) ===== */
.chip-bar{padding:24px 0;border-bottom:1px solid #e2e8f0;background:#fff}
.chip-bar__inner{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.chip-bar__inner::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;gap:5px;padding:7px 16px;border-radius:24px;border:1.5px solid #e2e8f0;background:#fff;color:#475569;font-size:.85rem;font-weight:500;white-space:nowrap;cursor:pointer;transition:all .2s}
.chip:hover{border-color:#be123c;color:#be123c}
.chip--active{background:#be123c;color:#fff;border-color:#be123c}

/* ===== Magazine two-column layout ===== */
.magazine{padding:40px 0}
.magazine__inner{display:flex;gap:32px;align-items:flex-start}
.magazine__main{flex:0 0 65%;min-width:0}
.magazine__sidebar{flex:1;min-width:0;position:sticky;top:76px}
.magazine__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}

@media(max-width:900px){
  .magazine__inner{flex-direction:column}
  .magazine__main{flex:none;width:100%}
  .magazine__sidebar{position:static}
  .magazine__grid{grid-template-columns:1fr}
}

/* ===== Post card (magazine) ===== */
.post-card{display:block;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:20px;color:inherit;transition:all .2s}
.post-card:hover{border-color:#be123c;box-shadow:0 4px 16px rgba(190,18,60,.08);transform:translateY(-2px)}
.post-card__meta{display:flex;align-items:center;gap:8px;font-size:.78rem;color:#94a3b8;margin-bottom:6px}
.post-card__tag{color:#be123c;font-weight:600}
.post-card__title{font-size:.95rem;font-weight:600;color:#0f172a;line-height:1.5;margin-bottom:4px}
.post-card__desc{font-size:.82rem;color:#64748b;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== Sidebar: popular list ===== */
.popular-list{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:20px;margin-bottom:20px}
.popular-list__title{font-size:1rem;font-weight:700;margin-bottom:16px;color:#0f172a}
.popular-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid #f1f5f9}
.popular-item:last-child{border-bottom:none}
.popular-item__rank{width:24px;height:24px;background:#be123c;color:#fff;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;flex-shrink:0;margin-top:2px}
.popular-item__rank--dim{background:#94a3b8}
.popular-item__title{font-size:.88rem;font-weight:500;color:#1e293b;line-height:1.5}
.popular-item__title:hover{color:#be123c}

/* ===== Sidebar: download card ===== */
.sidebar-dl{background:linear-gradient(135deg,#1e293b,#334155);border-radius:12px;padding:24px;color:#fff}
.sidebar-dl__title{font-size:1rem;font-weight:700;margin-bottom:8px}
.sidebar-dl__desc{font-size:.85rem;color:#94a3b8;margin-bottom:16px;line-height:1.5}
.sidebar-dl__btns{display:flex;flex-direction:column;gap:8px}

/* ===== CTA banner (full-width, rose gradient) ===== */
.cta-banner{background:linear-gradient(135deg,#be123c,#e11d48);padding:48px 0;text-align:center;color:#fff}
.cta-banner__title{font-size:1.5rem;font-weight:700;margin-bottom:8px}
.cta-banner__desc{opacity:.9;margin-bottom:24px}
.cta-banner .btn--white{background:#fff;color:#be123c}
.cta-banner .btn--white:hover{background:#fef2f2}

/* ===== FAQ accordion ===== */
.faq-section{padding:48px 0}
.faq-section__title{font-size:1.3rem;font-weight:700;text-align:center;margin-bottom:24px}
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border:1px solid #e2e8f0;border-radius:10px;margin-bottom:10px;overflow:hidden;background:#fff}
.faq-item__q{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 20px;background:none;border:none;cursor:pointer;font-size:.95rem;font-weight:600;color:#0f172a;text-align:left}
.faq-item__q svg{width:20px;height:20px;flex-shrink:0;transition:transform .2s;color:#94a3b8}
.faq-item__a{max-height:0;overflow:hidden;padding:0 20px;font-size:.9rem;color:#475569;line-height:1.7;transition:max-height .3s,padding .3s}
.faq-item--open .faq-item__q svg{transform:rotate(180deg)}
.faq-item--open .faq-item__a{max-height:300px;padding:0 20px 16px}

/* ===== CTA section (inline) ===== */
.cta-section{text-align:center;padding:40px 24px;margin:40px 0;background:linear-gradient(135deg,#fef2f2,#ffe4e6);border-radius:16px}
.cta-section__title{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.cta-section__desc{font-size:.9rem;color:#475569;margin-bottom:20px}
.cta-section__btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== Breadcrumb ===== */
.breadcrumb{padding:16px 0 8px;font-size:.85rem;color:#94a3b8}
.breadcrumb a{color:#64748b}
.breadcrumb a:hover{color:#be123c}
.breadcrumb__sep{margin:0 6px;color:#cbd5e1}

/* ===== Article listing / archive ===== */
.archive{padding:24px 0 48px}
.archive__header{margin-bottom:28px}
.archive__title{font-size:1.5rem;font-weight:700}
.archive__desc{color:#64748b;margin-top:4px}
.archive__list{display:flex;flex-direction:column;gap:12px}

/* ===== Tags page ===== */
.tags-page{padding:24px 0 48px}
.tags-page__title{font-size:1.5rem;font-weight:700;margin-bottom:24px}
.tags-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.tag-card{display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:16px 20px;color:inherit;transition:all .2s}
.tag-card:hover{border-color:#be123c;box-shadow:0 2px 8px rgba(190,18,60,.08)}
.tag-card__left{display:flex;align-items:center;gap:10px}
.tag-card__icon{font-size:1.4rem}
.tag-card__name{font-weight:600;color:#0f172a}
.tag-card__count{color:#94a3b8;font-size:.85rem;font-weight:500}

/* ===== Tag detail page ===== */
.tag-detail{padding:24px 0 48px}
.tag-detail__header{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.tag-detail__icon{font-size:1.8rem}
.tag-detail__title{font-size:1.4rem;font-weight:700}
.tag-detail__count{color:#94a3b8;font-size:.9rem}
.tag-detail__list{display:flex;flex-direction:column;gap:12px}

/* ===== Post page ===== */
.post-page{padding:24px 0 48px}
.post-page__header{margin-bottom:20px}
.post-page__tags{display:flex;gap:8px;margin-bottom:12px}
.post-page__tag{font-size:.78rem;color:#be123c;font-weight:600;background:#fef2f2;padding:4px 12px;border-radius:20px}
.post-page__title{font-size:1.8rem;font-weight:800;line-height:1.35;margin-bottom:12px}
.post-page__meta{display:flex;align-items:center;gap:12px;font-size:.85rem;color:#94a3b8}

/* ===== Inline bordered TOC block (unique to 币说) ===== */
.toc-block{border:2px solid #e2e8f0;border-radius:12px;padding:20px 24px;margin-bottom:32px;background:#fff}
.toc-block__title{font-size:.9rem;font-weight:700;color:#1e293b;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #f1f5f9}
.toc-block__list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 24px}
.toc-block__item{display:flex;align-items:center;gap:6px;font-size:.85rem;color:#64748b;padding:4px 0;transition:color .2s}
.toc-block__item:hover{color:#be123c}
.toc-block__item::before{content:"·";color:#be123c;font-weight:700;font-size:1.2rem;line-height:1}
@media(max-width:600px){
  .toc-block__list{grid-template-columns:1fr}
}

/* ===== Post body ===== */
.post-body{}
.post-body h2{font-size:1.35rem;font-weight:700;margin:36px 0 12px;padding-top:8px;color:#0f172a}
.post-body h3{font-size:1.1rem;font-weight:600;margin:28px 0 10px;color:#1e293b}
.post-body p{margin-bottom:16px;color:#374151;line-height:1.8}
.post-body ul,.post-body ol{padding-left:24px;margin-bottom:16px}
.post-body li{margin-bottom:6px;color:#374151;line-height:1.7}
.post-body a{color:#be123c;text-decoration:underline;text-underline-offset:2px}
.post-body a:hover{color:#9f1239}
.post-body strong{color:#0f172a}
.post-body blockquote{border-left:4px solid #be123c;padding:12px 20px;margin:20px 0;background:#fef2f2;border-radius:0 8px 8px 0;color:#475569}
.post-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.9rem}
.post-body th{background:#fef2f2;font-weight:600;text-align:left;padding:10px 14px;border:1px solid #e2e8f0}
.post-body td{padding:10px 14px;border:1px solid #e2e8f0}
.post-body hr{border:none;border-top:1px solid #e2e8f0;margin:32px 0}
.post-body code{background:#f1f5f9;padding:2px 6px;border-radius:4px;font-size:.88em;color:#9f1239}

/* ===== Download CTA (in-post) ===== */
.dl-cta{display:flex;align-items:center;justify-content:space-between;background:#fef2f2;border:1px solid #fecdd3;border-radius:12px;padding:20px 24px;margin:32px auto;gap:16px;flex-wrap:wrap}
.dl-cta__text{font-size:.9rem;color:#475569;flex:1}
.dl-cta__links{display:flex;gap:10px;flex-shrink:0}

/* ===== Share row ===== */
.share-row{display:flex;align-items:center;gap:12px;padding:20px 0;margin:24px auto;border-top:1px solid #e2e8f0}
.share-row__label{font-size:.85rem;color:#94a3b8;font-weight:500}
.share-row__btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;background:#f1f5f9;border:none;color:#64748b;cursor:pointer;transition:all .2s}
.share-row__btn:hover{background:#fef2f2;color:#be123c}
.share-row__btn svg{width:18px;height:18px}

/* ===== Related posts ===== */
.related{margin:32px auto 0;padding-top:24px;border-top:1px solid #e2e8f0}
.related__title{font-size:1.1rem;font-weight:700;margin-bottom:16px}
.related__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related__item{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:16px;transition:all .2s}
.related__item:hover{border-color:#be123c}
.related__item a{font-size:.9rem;font-weight:600;color:#0f172a;display:block;margin-bottom:6px;line-height:1.5}
.related__item a:hover{color:#be123c}
.related__item time{font-size:.78rem;color:#94a3b8}
@media(max-width:768px){
  .related__grid{grid-template-columns:1fr}
}

/* ===== Footer CTA banner ===== */
.footer-cta{background:linear-gradient(135deg,#be123c 0%,#9f1239 100%);padding:24px 0}
.footer-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer-cta__text{color:#fff}
.footer-cta__text strong{display:block;font-size:1.05rem;margin-bottom:2px}
.footer-cta__text span{font-size:.85rem;opacity:.85}
.footer-cta__btns{display:flex;gap:10px;flex-shrink:0}
.btn--white{background:#fff;color:#be123c;border:1px solid #fff;border-radius:8px;padding:8px 18px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s}
.btn--white:hover{background:#fef2f2;border-color:#fef2f2}
.btn--white-outline{background:transparent;color:#fff;border:1px solid #fff;border-radius:8px;padding:8px 18px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s}
.btn--white-outline:hover{background:rgba(255,255,255,.15)}
@media(max-width:640px){
  .footer-cta__inner{flex-direction:column;text-align:center}
  .footer-cta__btns{width:100%;justify-content:center}
}

/* ===== Footer — centered editorial ===== */
.site-footer{background:#1e293b;color:#e2e8f0;padding:48px 0 0}
.site-footer__center{display:flex;flex-direction:column;align-items:center;text-align:center}
.site-footer__logo{margin-bottom:16px}
.site-footer__logo-mark{display:flex;align-items:center;justify-content:center;width:52px;height:52px;background:#be123c;color:#fff;border-radius:14px;font-size:1.5rem;font-weight:800;box-shadow:0 4px 20px rgba(190,18,60,.35)}
.site-footer__tagline{font-size:.85rem;color:#94a3b8;max-width:420px;line-height:1.7;margin-bottom:24px}
.site-footer__nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;margin-bottom:20px;font-size:.88rem}
.site-footer__nav a{color:#cbd5e1;transition:color .2s}
.site-footer__nav a:hover{color:#fda4af}
.site-footer__dot{color:#475569;user-select:none}
.site-footer__langs{display:flex;gap:6px;margin-bottom:28px}
.site-footer__langs a{display:inline-block;padding:5px 14px;border-radius:20px;font-size:.78rem;color:#94a3b8;border:1px solid #334155;transition:all .2s}
.site-footer__langs a:hover{border-color:#be123c;color:#fda4af}
.site-footer__langs a.active{background:#be123c;border-color:#be123c;color:#fff}
.site-footer__risk-box{width:100%;max-width:680px;border:1px solid #334155;border-radius:10px;padding:16px 20px;margin-bottom:24px;text-align:left}
.site-footer__risk-title{font-size:.82rem;font-weight:600;color:#94a3b8;margin-bottom:6px}
.site-footer__risk-box p{font-size:.76rem;color:#64748b;line-height:1.7;margin:0}
.site-footer__copy{padding:18px 0;border-top:1px solid #334155;width:100%;font-size:.78rem;color:#64748b}
@media(max-width:640px){
  .site-footer__nav{gap:4px;font-size:.82rem}
  .site-footer__langs{flex-wrap:wrap;justify-content:center}
}

/* ===== 404 page ===== */
.error-page{text-align:center;padding:80px 20px}
.error-page__code{font-size:6rem;font-weight:800;color:#fecdd3;line-height:1}
.error-page__title{font-size:1.5rem;font-weight:700;margin:12px 0 8px}
.error-page__desc{color:#64748b;margin-bottom:28px}
.error-page__links{display:flex;gap:12px;justify-content:center}
.error-page__links a{color:#be123c;font-weight:600}

/* ===== Download page ===== */
.dl-page__hero{text-align:center;padding:40px 0 32px}
.dl-page__hero h1{font-size:1.8rem;font-weight:800;margin-bottom:8px}
.dl-page__hero p{color:#64748b}
.dl-platforms{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:40px}
.dl-platform{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:28px}
.dl-platform__badge{display:inline-block;font-size:.72rem;font-weight:700;color:#be123c;background:#fef2f2;padding:4px 10px;border-radius:6px;margin-bottom:12px;letter-spacing:1px}
.dl-platform__title{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.dl-platform__desc{font-size:.88rem;color:#64748b;margin-bottom:16px}
.dl-platform__steps{padding-left:20px;margin-bottom:20px}
.dl-platform__steps li{margin-bottom:8px;font-size:.88rem;color:#475569}
.dl-platform__tip{font-size:.85rem;color:#475569;background:#fef2f2;padding:12px 16px;border-radius:8px;margin-bottom:16px}
.dl-issues{margin-bottom:40px}
.dl-issues__title{font-size:1.2rem;font-weight:700;margin-bottom:16px}
.dl-issues__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.dl-issue{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:20px}
.dl-issue__title{font-weight:600;margin-bottom:6px}
.dl-issue__desc{font-size:.85rem;color:#64748b;line-height:1.6}
@media(max-width:768px){
  .dl-platforms{grid-template-columns:1fr}
  .dl-issues__grid{grid-template-columns:1fr}
}

/* ===== About page ===== */
.about-page{padding:40px 0 48px;max-width:780px;margin:0 auto}
.about-page h1{font-size:1.8rem;font-weight:800;margin-bottom:20px}
.about-page h2{font-size:1.2rem;font-weight:700;margin:28px 0 10px;color:#0f172a}
.about-page p{margin-bottom:14px;color:#475569;line-height:1.8}
.about-page ul{padding-left:20px;margin-bottom:16px}
.about-page li{margin-bottom:6px;color:#475569}

/* ===== Disclaimer page ===== */
.disclaimer-page{padding:40px 0 48px;max-width:780px;margin:0 auto}
.disclaimer-page h1{font-size:1.8rem;font-weight:800;margin-bottom:20px}
.disclaimer-page h2{font-size:1.15rem;font-weight:700;margin:24px 0 10px;color:#0f172a}
.disclaimer-page p{margin-bottom:14px;color:#475569;line-height:1.8}
.disclaimer-page ul{list-style:disc;padding-left:20px;margin-bottom:16px}
.disclaimer-page li{margin-bottom:6px;color:#475569}

/* ===== View all link ===== */
.view-all{display:inline-flex;align-items:center;gap:4px;color:#be123c;font-weight:600;font-size:.9rem;margin-top:16px}
.view-all:hover{color:#9f1239}
