/* ============================================================
   Coin520 - 跨浏览器响应式样式表
   Mobile-first: 基础 = < 768px, @media(min-width: ...) 提升
   断点: 768px(平板) / 1024px(桌面) / 1400px(宽屏)
   ============================================================ */


.lang-btn-wrap{margin-left:auto}
.lang-btn{background:var(--bg2);border:1px solid var(--border);color:var(--text);padding:5px 10px;border-radius:var(--rs);font-size:12px;font-weight:500;white-space:nowrap}/* ---------- RESET ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
body{margin:0}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;border-spacing:0}
button{cursor:pointer;font:inherit;color:inherit;border:none;background:none}
input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}

/* ---------- VARIABLES ---------- */
:root{--bg:#0B0E11;--bg2:#1E2329;--bg3:#2B3139;--bg4:#363C44;--text:#EAECEF;--text2:#848E9C;--text3:#5E6673;--gold:#F0B90B;--green:#0ECB81;--red:#F6465D;--border:#2B3139;--r:8px;--rs:4px}

/* ---------- BASE: PHONE < 768px ---------- */
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.container{max-width:1200px;margin:0 auto;padding:0 12px}
.section{padding:20px 0}
.section-title{font-size:17px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.section-subtitle{font-size:12px;color:var(--text2);margin-bottom:12px}
.badge{background:var(--bg3);color:var(--text2);font-size:10px;font-weight:600;padding:2px 8px;border-radius:10px;text-transform:uppercase;white-space:nowrap}
.badge.pulse{background:rgba(240,185,11,.15);color:var(--gold)}
.green,.pos{color:var(--green)}
.red,.neg{color:var(--red)}
.gold{color:var(--gold)}
td small{font-size:9px;color:var(--text3);margin-left:2px}

/* === HEADER === */
.header{position:sticky;top:0;z-index:100;background:rgba(11,14,17,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;height:48px;gap:8px}
.logo{font-weight:700;font-size:15px;color:var(--gold);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo-sub{font-size:15px;font-weight:400;color:var(--text2);margin-left:3px;white-space:nowrap}
.nav{display:none}


  .lang-btn-wrap{margin-left:0}
  .lang-btn{font-size:13px;padding:6px 12px}/* === SUMMARY BANNER === */
.lang-selector{position:relative;margin-left:auto}
.lang-btn{background:var(--bg2);border:1px solid var(--border);color:var(--text);padding:5px 10px;border-radius:var(--rs);font-size:12px;font-weight:500;white-space:nowrap}
.lang-dropdown{display:none;position:absolute;top:100%;right:0;margin-top:4px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);max-height:250px;overflow-y:auto;-webkit-overflow-scrolling:touch;min-width:150px;z-index:200}
.lang-dropdown.show{display:block}
.lang-option{display:block;padding:8px 14px;color:var(--text2);font-size:12px}
.lang-option:hover,.lang-option.active{background:var(--bg3);color:var(--text)}

.summary-banner{background:var(--bg2);border-bottom:1px solid var(--border);padding:8px 0}
.summary-text{font-size:14px;line-height:1.6;color:var(--text)}
.summary-text strong{color:var(--text)}
.summary-text .hl-gold{color:var(--gold)}

/* === STATS: 2列 6项 = 3行 === */
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:8px}
.stat-label{font-size:9px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px}
.stat-value{font-size:15px;font-weight:800;color:var(--text)}
.card-accent-gold .stat-value{color:var(--gold)}
.stat-ls{display:flex;align-items:center;gap:2px;font-size:13px}
.stat-ls .long{color:var(--green)}
.stat-ls .sep{color:var(--text3)}
.stat-ls .short{color:var(--red)}
.fg-fear .stat-value{color:var(--red)}
.fg-greed .stat-value{color:var(--green)}
.stat-sub{font-size:8px;color:var(--text3);margin-top:2px}

/* === TIMEFRAME CARDS: 2列 === */
.tf-cards{display:flex;flex-wrap:wrap;gap:8px}
.tf-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:10px;flex:1 1 calc(50% - 4px)}

.tf-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.tf-card-tf{font-size:16px;font-weight:800}
.tf-card-24h{color:var(--text)}
.tf-card-def{font-size:8px;font-weight:700;color:var(--gold);background:rgba(240,185,11,.12);padding:2px 6px;border-radius:3px;text-transform:uppercase}
.tf-card-total{font-size:20px;font-weight:800;margin-bottom:8px;letter-spacing:-.02em;color:var(--text)}

.tf-card-bar{height:4px;background:var(--bg4);border-radius:2px;overflow:hidden;display:flex;margin-bottom:8px}
.tf-bar-seg{height:100%}
.long-bar{background:var(--green)}
.short-bar{background:var(--red)}
.tf-card-rows{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}
.tf-row{display:flex;align-items:center;gap:4px;padding:4px 6px;border-radius:var(--rs);background:var(--bg)}
.tf-row-lbl{font-size:9px;font-weight:600;color:var(--text2);text-transform:uppercase;min-width:28px;flex-shrink:0}
.tf-row-val{font-size:12px;font-weight:700;font-family:monospace;margin-left:auto}
.tf-row-val.green{color:var(--green)}
.tf-row-val.red{color:var(--red)}
.tf-row-pct{font-size:10px;color:var(--text3);min-width:32px;text-align:right;flex-shrink:0}
.tf-card-foot{display:flex;justify-content:space-between;font-size:10px;color:var(--text3);padding-top:6px;border-top:1px solid var(--border)}

/* === EXCHANGE LIST === */
.ex-chart{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:8px 10px}
.ex-row{display:flex;align-items:center;gap:4px;padding:5px 0;border-bottom:1px solid var(--border)}
.ex-row:last-child{border-bottom:none}
.ex-rank{width:16px;font-size:10px;color:var(--text3);text-align:center;flex-shrink:0;font-weight:600}
.ex-name{font-size:12px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:55px;flex-shrink:0}
.ex-bar-wrap{flex:1;height:14px;background:var(--bg);border-radius:7px;overflow:hidden;min-width:20px}
.ex-bar{height:100%;border-radius:7px}
.ex-value{font-size:12px;font-weight:600;color:var(--text);text-align:right;white-space:nowrap;flex-shrink:0}
.ex-pct{font-size:10px;color:var(--text3);text-align:right;flex-shrink:0}

/* === TABLES === */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--r)}
.data-table{width:100%;border-collapse:collapse;background:var(--bg2);font-size:12px}
.data-table th,.data-table td{padding:6px 6px;text-align:right;white-space:nowrap}
.data-table th{background:var(--bg3);font-size:10px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.03em;position:sticky;top:0}
.data-table th:first-child,.data-table td:first-child{text-align:center}
.data-table th:nth-child(2),.data-table td:nth-child(2){text-align:left;font-weight:600}
.data-table tr{border-bottom:1px solid var(--border)}
.data-table tbody tr:last-child{border-bottom:none}
.sortable{cursor:pointer;-webkit-user-select:none;user-select:none}
.sortable:hover{color:var(--text)}
.sort-icon{font-size:8px;margin-left:2px;color:var(--text3)}
.sort-desc .sort-icon,.sort-asc .sort-icon{color:var(--gold)}
.hist-event{max-width:100px;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hist-rank{font-size:14px;font-weight:800;color:var(--gold)}
.hist-val{font-weight:700;color:var(--gold)}
.rt-time{color:var(--text3);font-size:11px;font-family:monospace}
.rt-pair{font-family:monospace;font-size:12px;font-weight:600}
.rt-val{font-weight:700}
.rt-row{animation:fadeIn .3s}

/* === INFO / FAQ === */
.info-section{background:var(--bg2);border-top:1px solid var(--border)}
.info-intro{font-size:13px;line-height:1.6;color:var(--text2);padding:10px 14px;background:var(--bg);border-left:3px solid var(--gold);border-radius:0 var(--rs) var(--rs) 0;margin-bottom:20px}
.info-subtitle{font-size:15px;font-weight:700;margin-bottom:12px}
.concept-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:20px}
.concept-item{display:flex;gap:10px;padding:10px;background:var(--bg);border-radius:var(--r);border:1px solid var(--border)}
.concept-icon{font-size:18px;flex-shrink:0;margin-top:2px}
.concept-body{flex:1}
.concept-name{font-size:12px;font-weight:600;margin-bottom:2px}
.concept-desc{font-size:11px;color:var(--text3);line-height:1.4}
.info-grid{display:grid;gap:10px;margin-bottom:16px}
.info-block,.info-block-wide{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:12px}
.info-block h3,.info-block-wide h3{font-size:13px;font-weight:700;margin-bottom:10px;color:var(--gold)}
.info-list li{padding:4px 0 4px 16px;font-size:12px;color:var(--text2);line-height:1.5;position:relative}
.info-list li::before{content:'\2726';position:absolute;left:0;color:var(--gold);font-size:8px;top:7px}

/* === FOOTER === */
.footer{border-top:1px solid var(--border);padding:20px 0;text-align:center}
.footer-links{display:flex;justify-content:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.footer-links a{color:var(--text2);font-size:12px}
.footer-source{color:var(--text3);font-size:11px}
.disclaimer{font-size:10px;color:var(--text3);line-height:1.5;max-width:600px;margin:0 auto 6px;padding:0 10px}
.footer-copy{font-size:10px;color:var(--text3)}

/* === UTILITIES === */
.pulse{animation:pulse 2s infinite}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pulse{0%{opacity:1}50%{opacity:.6}100%{opacity:1}}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--bg4);border-radius:3px}

/* ==================================== */
/* TABLET >= 768px                     */
/* ==================================== */
@media(min-width:768px){
.lang-btn{font-size:13px;padding:6px 12px}
  .lang-selector{margin-left:0}

  .container{padding:0 16px}
  .section{padding:28px 0}
  .section-title{font-size:19px;margin-bottom:14px}

  .header-inner{height:52px;gap:16px}
  .logo{font-size:15px;overflow:visible}
  .logo-sub{font-size:15px;font-weight:400;color:var(--text2)}
  .nav{display:flex!important;align-items:center;gap:14px;margin-left:auto;flex-direction:row}
  .nav-link{color:var(--text2);font-size:13px;font-weight:500;border:none;display:inline-block}
  .nav-link:hover,.nav-link:active{color:var(--text);background:transparent}

  .summary-banner{padding:10px 0}
  .summary-text{font-size:15px}

  .stats-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat-card{padding:10px}
  .stat-value{font-size:16px}
  .stat-ls{font-size:14px}

  .tf-cards{gap:10px}
  .tf-card{flex:1 1 200px;padding:14px}
  .tf-card-hl{flex:1.2 1 220px}
  .tf-card-tf{font-size:18px}
  .tf-card-total{font-size:22px}
  .tf-card-head{margin-bottom:9px}
  .tf-card-bar{height:5px;margin-bottom:9px}
  .tf-card-rows{gap:5px;margin-bottom:9px}
  .tf-row{padding:5px 7px}
  .tf-row-val{font-size:12px}
  .tf-card-foot{font-size:10px;padding-top:7px}

  .ex-chart{padding:10px 14px}
  .ex-row{gap:8px;padding:7px 0}
  .ex-rank{width:18px;font-size:11px}
  .ex-name{font-size:12px;max-width:100px}
  .ex-bar-wrap{height:18px}
  .ex-value{font-size:12px}
  .ex-pct{font-size:10px}

  .data-table{font-size:12px}
  .data-table th,.data-table td{padding:8px 12px;font-size:12px}
  .hist-event{max-width:200px}

  .info-intro{font-size:14px;padding:14px 18px}
  .concept-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .info-grid{grid-template-columns:1fr 1fr;gap:14px}
  .info-block-wide{grid-column:1/-1}
  .info-list li{font-size:13px}

  .footer{padding:28px 0}
  .footer-links{margin-bottom:12px}
  .footer-links a,.footer-source{font-size:13px}
  .disclaimer,.footer-copy{font-size:11px}
}

/* ==================================== */
/* DESKTOP >= 1024px                   */
/* ==================================== */
@media(min-width:1024px){
  .container{padding:0 20px}
  .section{padding:36px 0}
  .section-title{font-size:22px;margin-bottom:18px}
  .badge{font-size:12px;padding:3px 10px}

  .header-inner{height:56px}
  .logo{font-size:17px}
  .logo-sub{font-size:17px}
  .nav{gap:18px}
  .nav-link{font-size:14px}

  .summary-banner{padding:12px 0}
  .summary-text{font-size:18px}

  .stats-grid{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat-card{padding:12px}
  .stat-value{font-size:20px}
  .stat-ls{font-size:18px}
  .stat-label{font-size:11px}
  .stat-sub{font-size:10px}

  .tf-cards{gap:14px}
  .tf-card{flex:1 1 220px;padding:18px}
  .tf-card-hl{flex:1.2 1 240px}
  .tf-card-tf{font-size:22px}
  .tf-card-total{font-size:28px;margin-bottom:12px}
  .tf-card-def{font-size:9px}
  .tf-card-bar{height:6px;margin-bottom:12px}
  .tf-card-rows{gap:6px;margin-bottom:12px}
  .tf-row{padding:6px 10px}
  .tf-row-lbl{font-size:10px;min-width:34px}
  .tf-row-val{font-size:14px}
  .tf-card-foot{font-size:12px;padding-top:10px}

  .ex-chart{padding:14px 20px}
  .ex-row{gap:12px;padding:9px 0}
  .ex-rank{width:22px;font-size:13px}
  .ex-name{font-size:14px;max-width:150px}
  .ex-bar-wrap{height:22px}
  .ex-value{font-size:14px}
  .ex-pct{font-size:12px}

  .data-table{font-size:14px}
  .data-table th,.data-table td{padding:12px 16px;font-size:13px}
  .data-table th{font-size:12px}
  .hist-event{max-width:300px;font-size:13px}

  .info-intro{font-size:15px;padding:18px 22px}
  .info-subtitle{font-size:17px;margin-bottom:18px}
  .concept-grid{grid-template-columns:repeat(3,1fr);gap:12px}
  .concept-item{padding:14px}
  .concept-icon{font-size:22px}
  .concept-desc{font-size:13px}
  .info-grid{gap:18px}
  .info-block,.info-block-wide{padding:16px}
  .info-block h3,.info-block-wide h3{font-size:15px}

  .footer{padding:36px 0}
  .footer-links{margin-bottom:14px}
  .footer-links a{font-size:14px}
  .disclaimer,.footer-copy{font-size:12px}
}

/* ==================================== */
/* WIDE >= 1400px                      */
/* ==================================== */
@media(min-width:1400px){
  .container{max-width:1300px}
  .summary-text{font-size:20px}
  .stat-value{font-size:22px}
  .tf-card-total{font-size:30px}
  .data-table th,.data-table td{padding:14px 18px}
}


/* ==================================== */
/* FLOATING SHARE BUTTON               */
/* ==================================== */
.share-float{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;align-items:center;gap:4px;transition:opacity .4s,transform .4s;opacity:1;transform:translateY(0)}
.share-float.hidden{opacity:0;transform:translateY(20px);pointer-events:none}
.share-btn{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#F0B90B,#e6a800);color:#0B0E11;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(240,185,11,.4);transition:all .3s;position:relative}
.share-btn:hover{transform:scale(1.1);box-shadow:0 6px 30px rgba(240,185,11,.6)}
.share-btn:active{transform:scale(.95)}
.share-btn svg{filter:drop-shadow(0 0 2px rgba(0,0,0,.2))}
.share-btn .share-badge{position:absolute;top:-4px;right:-4px;width:14px;height:14px;background:#F6465D;border:2px solid #0B0E11;border-radius:50%;animation:sharePulse 2s infinite}

@keyframes sharePulse{0%{box-shadow:0 0 0 0 rgba(246,70,93,.7)}70%{box-shadow:0 0 0 8px rgba(246,70,93,0)}100%{box-shadow:0 0 0 0 rgba(246,70,93,0)}}

.share-close{width:20px;height:20px;border-radius:50%;background:var(--bg3);color:var(--text2);border:1px solid var(--border);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1;padding:0;position:absolute;top:-8px;right:-8px;z-index:2;transition:all .2s}
.share-close:hover{background:var(--red);color:#fff;border-color:var(--red)}

/* ==================================== */
/* SHARE MODAL                          */
/* ==================================== */
.share-modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:99999;align-items:center;justify-content:center}
.share-modal.active{display:flex}
.share-modal-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.75);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.share-modal-content{position:relative;background:var(--bg2);border:1px solid var(--border);border-radius:16px;width:90%;max-width:480px;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.share-modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.share-modal-header span{font-size:15px;font-weight:700;color:var(--text)}
.share-modal-close{width:28px;height:28px;border-radius:50%;background:var(--bg3);color:var(--text2);border:none;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .2s}
.share-modal-close:hover{background:var(--red);color:#fff}
.share-preview{min-height:120px;display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid var(--border)}
.share-preview img{width:100%;height:auto;display:block}
.share-loading{color:var(--text3);font-size:13px;padding:40px;text-align:center}
.share-loading::after{content:"";display:block;width:24px;height:24px;margin:12px auto 0;border:2px solid var(--border);border-top-color:var(--gold);border-radius:50%;animation:shareSpin .8s linear infinite}
@keyframes shareSpin{to{transform:rotate(360deg)}}
.share-preview-error{color:var(--red);font-size:13px;padding:32px;text-align:center}

.share-platforms{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:16px 20px}
.share-plat{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;border-radius:12px;background:var(--bg);border:1px solid var(--border);color:var(--text2);font-size:11px;font-weight:500;cursor:pointer;text-decoration:none;transition:all .2s}
.share-plat:hover{background:var(--bg3);color:var(--text);border-color:var(--text3);transform:translateY(-2px)}
.share-plat:active{transform:translateY(0)}
.share-plat-copy{font-family:inherit}
.share-plat svg{flex-shrink:0}

/* Platform colors on hover */
.share-plat[data-platform=twitter]:hover{background:rgba(29,161,242,.15);border-color:#1DA1F2;color:#1DA1F2}
#shareTwitter:hover{background:rgba(29,161,242,.15);border-color:#1DA1F2;color:#1DA1F2}
#shareFacebook:hover{background:rgba(24,119,242,.15);border-color:#1877F2;color:#1877F2}
#shareTelegram:hover{background:rgba(0,136,204,.15);border-color:#0088CC;color:#0088CC}
#shareReddit:hover{background:rgba(255,69,0,.15);border-color:#FF4500;color:#FF4500}
#shareLinkedin:hover{background:rgba(0,119,181,.15);border-color:#0077B5;color:#0077B5}
#shareCopy:hover{background:rgba(240,185,11,.15);border-color:var(--gold);color:var(--gold)}

/* Toast notification */
.share-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.8);background:var(--bg2);border:1px solid var(--gold);border-radius:12px;padding:20px 32px;color:var(--text);font-size:14px;font-weight:600;z-index:999999;opacity:0;pointer-events:none;transition:all .3s;text-align:center;box-shadow:0 10px 40px rgba(0,0,0,.4)}
.share-toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}
.share-toast .toast-icon{font-size:36px;display:block;margin-bottom:8px}

/* ==================================== */


/* Rolling number animation */
.roll-wrap{display:inline-block;overflow:hidden;vertical-align:bottom;line-height:1.2;position:relative}
.roll-wrap-inline{transition:all .3s ease}
.roll-wrap-inline strong,.roll-wrap-inline .hl-gold{transition:all .3s ease}
.stat-value{overflow:hidden}
.tf-row-val,.tf-row-pct,.tf-card-total{display:inline-block;position:relative}
#exList{transition:opacity .3s ease,transform .3s ease}
#coinBody{transition:opacity .25s ease}