/* ============================================================
   Cloud Disk — Premium Design System
   ============================================================ */
:root{
  --brand:#1d4ed8; --brand2:#2563eb; --brand3:#14305f;
  --brand-grad:linear-gradient(135deg,#14305f 0%,#1d4ed8 55%,#2563eb 100%);
  --brand-grad-soft:linear-gradient(135deg,rgba(29,78,216,.09),rgba(20,48,95,.10));
  --ink:#14213d; --ink2:#3d4a63; --ink3:#7d89a3;
  --bg:#f4f6fb; --bg-soft:#eaeef8; --card:#ffffff; --line:#e4e8f1;
  --ok:#16a34a; --warn:#d97706; --err:#dc2626;
  --ring:0 0 0 4px rgba(29,78,216,.14);
  --shadow-sm:0 1px 2px rgba(9,16,38,.05),0 6px 18px rgba(9,16,38,.06);
  --shadow:0 10px 30px rgba(9,16,38,.10);
  --shadow-lg:0 24px 60px rgba(9,16,38,.16);
  --shadow-brand:0 10px 26px rgba(29,78,216,.24);
  --shadow-brand-lg:0 18px 42px rgba(20,48,95,.28);
  --r:16px; --r-sm:10px; --r-lg:24px;
  --sidebar-w:236px;
  --font:'Inter','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand2)}
img{max-width:100%}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink)}
::selection{background:rgba(29,78,216,.2)}

.container{width:min(1220px,92%);margin:0 auto}
.muted{color:var(--ink3)} .small{font-size:12.5px}
.flex{display:flex;align-items:center} .wrap{flex-wrap:wrap}
.between{justify-content:space-between} .center{justify-content:center}
.gap2{gap:8px}.gap3{gap:12px}.gap4{gap:16px}
.grow{flex:1}
.hide{display:none!important}
.text-brand{color:var(--brand)} .text-ok{color:var(--ok)} .text-err{color:var(--err)} .text-warn{color:var(--warn)}

h1{font-size:36px;line-height:1.18;letter-spacing:-.03em;font-weight:800}
h2{font-size:25px;letter-spacing:-.02em;font-weight:800}
h3{font-size:17px;font-weight:700}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;border-radius:var(--r-sm);padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:all .18s;background:#fff;color:var(--ink);border-color:var(--line);white-space:nowrap;line-height:1.4;position:relative}
.btn:hover{border-color:#c9cdf0;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn-primary{background:var(--brand-grad);color:#fff;border:none;box-shadow:var(--shadow-brand);background-size:160% 160%}
.btn-primary:hover{box-shadow:var(--shadow-brand-lg);background-position:90% 0;filter:brightness(1.05)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--ink2)}
.btn-ghost:hover{background:var(--bg-soft);border-color:transparent}
.btn-danger{background:#fef2f2;color:var(--err);border-color:#fecaca}
.btn-danger:hover{background:#fde2e2}
.btn-success{background:var(--ok);color:#fff;border:none;box-shadow:0 8px 20px rgba(16,185,129,.3)}
.btn-soft{background:var(--brand-grad-soft);color:var(--brand);border:none}
.btn-soft:hover{filter:brightness(.98);transform:translateY(-1px)}
.btn-sm{padding:5px 11px;font-size:12.5px;border-radius:8px}
.btn-lg{padding:13px 27px;font-size:15.5px;border-radius:13px;box-shadow:var(--shadow-brand)}
.btn-block{width:100%}

.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;border:none;background:transparent;color:var(--ink2);cursor:pointer;transition:all .15s;font-size:16px}
.iconbtn:hover{background:var(--bg-soft);color:var(--ink)}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:7px}
.input,.select,.textarea{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;outline:none;transition:border .15s,box-shadow .15s}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:var(--ring)}
.input.err{border-color:var(--err);box-shadow:0 0 0 4px rgba(239,68,68,.12)}
.textarea{min-height:96px;resize:vertical}
.input-group{display:flex;gap:10px}
.hint{font-size:12px;color:var(--ink3);margin-top:5px}
.help-text{font-size:12.5px;color:var(--ink3)}
.checkbox{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:14px;color:var(--ink2)}
.checkbox input{width:17px;height:17px;accent-color:var(--brand)}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);padding:22px}
.card-pad{padding:20px}
.card-hover{transition:transform .2s,box-shadow .2s,border-color .2s}
.card-hover:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#dcdff3}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:2.5px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge-brand{background:rgba(29,78,216,.1);color:var(--brand)}
.badge-ok{background:#ecfdf5;color:var(--ok)}
.badge-warn{background:#fffbeb;color:var(--warn)}
.badge-err{background:#fef2f2;color:var(--err)}
.badge-gray{background:#f1f2f7;color:var(--ink3)}

/* ---------- 表格 ---------- */
.table-wrap{overflow:auto;border-radius:13px;border:1px solid var(--line)}
.share-grid,.order-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;align-items:start}
.share-item{display:flex;flex-direction:column;gap:12px;padding:16px}
.vip-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--brand-grad-soft);border:1px solid rgba(29,78,216,.3);border-radius:14px;padding:12px 18px;margin-bottom:14px}
@media (max-width:640px){.share-grid,.order-grid{grid-template-columns:1fr}}
table.data{width:100%;border-collapse:collapse;background:#fff;min-width:640px}
table.data th{text-align:left;font-size:12.5px;color:var(--ink3);font-weight:600;padding:12px 16px;border-bottom:1px solid var(--line);background:#fafbfe;white-space:nowrap}
table.data td{padding:12px 16px;border-bottom:1px solid #f2f3f9;font-size:13.5px;vertical-align:middle}
table.data tr:last-child td{border-bottom:none}
table.data tbody tr{transition:background .12s}
table.data tbody tr:hover{background:#f8f9fe}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(16,18,30,.6);backdrop-filter:blur(6px);z-index:90;display:none;align-items:center;justify-content:center;padding:16px;animation:fade .18s}
.modal-mask.open{display:flex}
.modal{background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:min(520px,100%);max-height:92vh;overflow:auto;animation:pop .2s}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:16.5px}
.modal-body{padding:22px}
.modal-foot{padding:16px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}

@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:scale(.96) translateY(8px)}}

/* 加载转圈 */
.spin{display:inline-block;width:24px;height:24px;border:2px solid rgba(29,78,216,.2);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-4px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{padding:11px 20px;border-radius:12px;background:#1f2340;color:#fff;font-size:13.5px;font-weight:500;box-shadow:var(--shadow-lg);display:flex;gap:9px;align-items:center;animation:toastin .25s;max-width:88vw}
.toast.ok{background:#0e9f6e}.toast.err{background:#dc2626}.toast.warn{background:#d97706}
@keyframes toastin{from{opacity:0;transform:translateY(-14px)}}

/* ---------- 抽屉（上传列表面板） ---------- */
.drawer{position:fixed;right:0;top:0;bottom:0;width:min(430px,100%);background:#fff;z-index:95;box-shadow:var(--shadow-lg);transform:translateX(100%);transition:transform .25s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
.drawer.open{transform:translateX(0)}
.drawer-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-body{flex:1;overflow:auto;padding:16px 20px}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:52px 20px;color:var(--ink3)}
.empty .ico{font-size:44px;margin-bottom:12px;opacity:.55}
.empty .t{font-size:15px;font-weight:600;color:var(--ink2);margin-bottom:4px}

/* ---------- 页头 ---------- */
.topnav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--line)}
.topnav .container{display:flex;align-items:center;height:64px;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.brand .logo{width:34px;height:34px;border-radius:11px;background:var(--brand-grad);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:17px;box-shadow:var(--shadow-brand);position:relative;overflow:hidden}
.brand .logo:after{content:'';position:absolute;top:0;left:-60%;width:45%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);animation:shine 5s ease-in-out infinite}
@keyframes shine{0%,70%{left:-60%}100%{left:130%}}
.brand span b{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{padding:8px 14px;border-radius:10px;color:var(--ink2);font-weight:500;font-size:14px}
.nav-links a:hover,.nav-links a.active{background:var(--bg-soft);color:var(--ink)}
.nav-right{display:flex;gap:9px;align-items:center;margin-left:auto}
.nav-user{display:flex;align-items:center;gap:9px;font-weight:600;color:var(--ink2);font-size:14px}

/* ---------- 落地页 Hero ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 0;text-align:center}
.hero:before{content:'';position:absolute;inset:0;z-index:-1;
  background:radial-gradient(900px 480px at 18% -12%,rgba(29,78,216,.16),transparent 60%),
             radial-gradient(820px 440px at 88% -6%,rgba(20,48,95,.13),transparent 60%),
             radial-gradient(560px 320px at 50% 118%,rgba(20,48,95,.10),transparent 60%)}
.hero-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 16px;border-radius:999px;font-size:12.5px;font-weight:600;color:var(--brand);background:#fff;border:1px solid #e2e5f5;box-shadow:var(--shadow-sm);margin-bottom:20px}
.hero-badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(16,185,129,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.5)}70%{box-shadow:0 0 0 8px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
.hero h1{font-size:clamp(32px,4.6vw,54px);font-weight:800;max-width:820px;margin:0 auto 18px;line-height:1.14}
.hero h1 .grad{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:clamp(15px,1.6vw,18px);color:var(--ink2);max-width:640px;margin:0 auto 30px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:0;justify-content:center;margin:46px auto 0;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);max-width:900px}
.hero-stats .stat{padding:8px 34px;text-align:center}
.hero-stats .stat + .stat{border-left:1px solid var(--line)}
.hero-stats .num{font-size:26px;font-weight:800;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-stats .lbl{font-size:12.5px;color:var(--ink3);margin-top:2px}

/* Hero 产品窗口 */
.hero-mock{position:relative;max-width:940px;margin:0 auto;padding:64px 0 8px}
.mock-glow{position:absolute;left:50%;top:34%;transform:translateX(-50%);width:660px;height:300px;background:radial-gradient(closest-side,rgba(29,78,216,.34),rgba(20,48,95,.18),transparent);filter:blur(30px);z-index:0}
.mock-window{position:relative;z-index:1;background:#fff;border:1px solid #dfe2f2;border-radius:var(--r-lg);box-shadow:0 30px 70px rgba(21,24,39,.18),var(--shadow-brand);overflow:hidden}
.mock-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:linear-gradient(180deg,#fbfbfe,#f5f6fb);border-bottom:1px solid var(--line)}
.mock-bar .dot{width:11px;height:11px;border-radius:50%}
.mock-bar .dot.r{background:#ff5f57}.mock-bar .dot.y{background:#febc2e}.mock-bar .dot.g{background:#28c840}
.mock-url{flex:1;text-align:center;font-size:12px;color:var(--ink3);background:#fff;border:1px solid var(--line);border-radius:8px;padding:4px 10px;max-width:280px;margin:0 auto}
.mock-body{display:flex;min-height:340px}
.mock-side{width:150px;flex:none;background:linear-gradient(180deg,#fcfcff,#f7f8fd);border-right:1px solid var(--line);padding:14px}
.mock-logo{width:26px;height:26px;border-radius:8px;background:var(--brand-grad);margin-bottom:16px}
.mock-nav{display:flex;flex-direction:column;gap:7px}
.mock-nav i{height:9px;border-radius:5px;background:#e6e8f4}
.mock-nav i:nth-child(1){width:82%;background:var(--brand-grad-soft);box-shadow:inset 0 0 0 1px rgba(29,78,216,.25)}
.mock-nav i:nth-child(2){width:64%}.mock-nav i:nth-child(3){width:72%}
.mock-quota{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px}
.mock-quota em{display:block;height:7px;border-radius:99px;background:var(--brand-grad);width:58%}
.mock-main{flex:1;min-width:0;padding:14px;display:flex;flex-direction:column}
.mock-tool{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.mock-tool b{height:26px;width:110px;border-radius:8px;background:var(--brand-grad);opacity:.9}
.mock-tool i{height:26px;flex:1;border-radius:8px;background:#f1f2f8;max-width:70px}
.mock-grid{flex:1;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mock-tile{background:#fff;border:1px solid var(--line);border-radius:13px;padding:12px 8px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:7px;transition:transform .2s}
.mock-tile .mt{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:17px}
.mock-tile i{display:block;height:7px;border-radius:4px;background:#e9ebf5;width:72%}
.mock-tile:nth-child(1) .mt{color:#f59e0b;background:#fffbeb}
.mock-tile:nth-child(2) .mt{color:#22c55e;background:#f0fdf4}
.mock-tile:nth-child(3) .mt{color:#3b82f6;background:#eff6ff}
.mock-tile:nth-child(4) .mt{color:#f43f5e;background:#fff1f2}
.mock-tile:nth-child(5) .mt{color:#a855f7;background:#faf5ff}
.mock-tile:nth-child(6) .mt{color:#0ea5e9;background:#f0f9ff}
.mock-tile:nth-child(7) .mt{color:#16a34a;background:#f0fdf4}
.mock-tile:nth-child(8) .mt{color:#6d28d9;background:#f5f3ff}
.mock-chip{position:absolute;z-index:2;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #e4e7f5;border-radius:13px;padding:10px 16px;font-size:12.5px;font-weight:600;color:var(--ink2);box-shadow:var(--shadow);animation:floaty 5s ease-in-out infinite}
.mock-chip b{width:8px;height:8px;border-radius:50%;flex:none}
.mock-chip .c-ok{color:var(--ok)}
.mock-chip .c-ok b{background:var(--ok)}
.mock-chip .c-brand{color:var(--brand)}
.mock-chip .c-brand b{background:var(--brand)}
.mock-chip.c1{left:2%;bottom:12%;animation-delay:.4s}
.mock-chip.c2{right:3%;top:16%;animation-delay:2.2s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 通用区块 ---------- */
.sec{padding:84px 0}
.sec-head{text-align:center;max-width:660px;margin:0 auto 46px}
.sec-head .eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);background:var(--brand-grad-soft);border:1px solid rgba(29,78,216,.2);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.02em}
.sec-head p{color:var(--ink2);margin-top:10px}

.grid-feat{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);transition:all .22s;position:relative;overflow:hidden}
.feat:after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);opacity:0;transition:opacity .2s}
.feat:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#dcE0F5}
.feat:hover:after{opacity:1}
.feat .ico{width:48px;height:48px;border-radius:14px;background:var(--brand-grad-soft);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--brand);margin-bottom:16px;box-shadow:inset 0 0 0 1px rgba(29,78,216,.12)}
.feat h3{font-size:16px;margin-bottom:8px}
.feat p{font-size:13.5px;color:var(--ink2)}
/* 特性图标多彩化 */
.feat:nth-child(4n+1) .ico{background:rgba(245,158,11,.12);color:#f59e0b;box-shadow:inset 0 0 0 1px rgba(245,158,11,.16)}
.feat:nth-child(4n+2) .ico{background:rgba(16,185,129,.12);color:#10b981;box-shadow:inset 0 0 0 1px rgba(16,185,129,.16)}
.feat:nth-child(4n+3) .ico{background:rgba(244,63,94,.12);color:#f43f5e;box-shadow:inset 0 0 0 1px rgba(244,63,94,.16)}
.feat:nth-child(4n+4) .ico{background:rgba(14,165,233,.12);color:#0ea5e9;box-shadow:inset 0 0 0 1px rgba(14,165,233,.16)}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);position:relative}
.step .no{width:40px;height:40px;border-radius:12px;background:var(--brand-grad);color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-brand);margin-bottom:16px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--ink2)}

/* ---------- 价格 ---------- */
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;align-items:stretch}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;position:relative;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:all .22s}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.price-card .tag-pos{position:absolute;top:14px;right:16px}
.pname{font-size:15px;font-weight:700;color:var(--ink2)}
.pdesc{font-size:12.5px;color:var(--ink3);margin:4px 0 18px}
.price-num{font-size:36px;font-weight:800;letter-spacing:-.02em}
.price-num small{font-size:13px;font-weight:600;color:var(--ink3)}
.price-dur{display:flex;gap:6px;flex-wrap:wrap;margin:18px 0 6px}
.dur-tag{flex:1;min-width:52px;text-align:center;font-size:11.5px;padding:6px 4px;border:1px solid var(--line);border-radius:9px;color:var(--ink2);cursor:pointer;transition:all .15s}
.dur-tag:hover{border-color:var(--brand);color:var(--brand)}
.dur-tag span{display:block;font-weight:700;font-size:13px}
.feats{list-style:none;margin:16px 0 22px;flex:1}
.feats li{padding:5px 0;font-size:13px;color:var(--ink2);display:flex;gap:8px}
.feats li:before{content:'✓';color:var(--ok);font-weight:700}

.cta{background:var(--brand-grad);border-radius:var(--r-lg);padding:56px 30px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-brand-lg)}
.cta:before{content:'';position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.14);top:-170px;right:-90px}
.cta:after{content:'';position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.1);bottom:-130px;left:-40px}
.cta h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:10px}
.cta p{opacity:.92;margin-bottom:26px}
.cta .btn{background:#fff;color:var(--brand);border:none;box-shadow:0 10px 26px rgba(0,0,0,.16);position:relative;z-index:1}

.footer{border-top:1px solid var(--line);padding:34px 0;background:#fff}
.footer .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--ink3);font-size:13px}

/* ---------- Auth 拆分布局 ---------- */
.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,5.2fr) minmax(0,4.8fr)}
.auth-show{position:relative;overflow:hidden;background:linear-gradient(160deg,#14305f 0%,#1d4ed8 55%,#2563eb 130%);color:#fff;padding:48px 52px;display:flex;flex-direction:column}
.auth-show .glow1{position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.14);top:-140px;right:-120px;filter:blur(10px)}
.auth-show .glow2{position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.1);bottom:-120px;left:-100px;filter:blur(6px)}
.auth-show .grid-pat{position:absolute;inset:0;opacity:.07;background-image:linear-gradient(rgba(255,255,255,.8) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.8) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.auth-show .brand{color:#fff;position:relative;z-index:1}
.auth-show .brand span b{-webkit-text-fill-color:#fff}
.auth-show .brand .logo{background:rgba(255,255,255,.16);box-shadow:0 8px 24px rgba(0,0,0,.2)}
.auth-show .show-body{position:relative;z-index:1;margin:auto 0;padding:36px 0}
.auth-show h2{font-size:clamp(26px,2.8vw,34px);font-weight:800;line-height:1.25;margin-bottom:14px;letter-spacing:-.02em}
.auth-show p{opacity:.85;font-size:14.5px;max-width:420px}
.auth-show .show-points{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;margin-top:30px}
.auth-show .point{display:flex;align-items:center;gap:12px;font-size:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:13px;padding:12px 16px;backdrop-filter:blur(4px)}
.auth-show .point .pi{width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;flex:none}
.auth-show .point b{font-size:13.5px}
.auth-show .point span{display:block;font-size:12px;opacity:.75}
.auth-show .show-foot{position:relative;z-index:1;display:flex;gap:22px;opacity:.85;font-size:12.5px;margin-top:40px}
.auth-show .show-foot b{display:block;font-size:19px;font-weight:800;opacity:1}
.auth-show .show-mini{position:relative;z-index:1;margin-top:36px}
.auth-show .mini-card{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:16px 18px;display:flex;align-items:center;gap:14px;backdrop-filter:blur(6px);max-width:420px;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.auth-show .mini-card .mc{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:19px;flex:none}
.auth-show .mini-card b{font-size:14px}
.auth-show .mini-card span{display:block;font-size:12px;opacity:.8}
.auth-wrap{display:flex;align-items:center;justify-content:center;padding:40px 32px;position:relative;background:radial-gradient(700px 460px at 30% -10%,rgba(29,78,216,.07),transparent 55%)}
.auth-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:36px 34px;position:relative}
.auth-card .brand{justify-content:center;margin-bottom:22px}
.auth-title{font-size:24px;font-weight:800;text-align:center;letter-spacing:-.02em}
.auth-sub{text-align:center;color:var(--ink3);font-size:13.5px;margin:8px 0 26px}
.captcha-row{display:flex;gap:10px;align-items:stretch}
.captcha-row .input{flex:1}
.captcha-svg{width:132px;height:46px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;background:#f8f9fd;flex:none}
.auth-foot{text-align:center;margin-top:18px;font-size:13.5px;color:var(--ink3)}
.divider{display:flex;align-items:center;gap:12px;color:var(--ink3);font-size:12px;margin:18px 0}
.divider:before,.divider:after{content:'';flex:1;height:1px;background:var(--line)}

/* ---------- 应用（网盘） ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex:none}
.sidebar .brand{padding:18px 18px 14px}
.side-vip{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:4px 12px 12px;padding:14px 15px;background:linear-gradient(150deg,rgba(29,78,216,.16),rgba(20,48,95,.12));border:1px solid rgba(20,48,95,.35);border-radius:14px;flex-wrap:wrap;position:relative;overflow:hidden}
.side-vip:after{content:'';position:absolute;top:-30px;right:-30px;width:90px;height:90px;border-radius:50%;background:rgba(255,255,255,.35);filter:blur(6px);pointer-events:none}
.side-vip b{color:var(--brand);position:relative;z-index:1}
.side-vip .btn{position:relative;z-index:1}
.side-nav{flex:1;padding:8px 12px;overflow:auto}
.side-nav a{display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:11px;color:var(--ink2);font-weight:500;font-size:14px;margin-bottom:3px;transition:all .15s}
.side-nav a:hover{background:var(--bg-soft);color:var(--ink)}
.side-nav a.active{background:var(--brand-grad-soft);color:var(--brand);font-weight:600;box-shadow:inset 0 0 0 1px rgba(29,78,216,.18)}
.side-nav a .ic{width:20px;text-align:center;font-size:16px}
.side-nav .grp{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);padding:16px 13px 6px}
.side-quota{margin:8px 12px;padding:14px;background:linear-gradient(150deg,#f6f7fd,#f0f2fb);border-radius:13px;border:1px solid var(--line)}
.side-quota .bar{height:7px;border-radius:99px;background:#e6e8f4;overflow:hidden;margin:9px 0 5px;position:relative}
.side-quota .bar i{display:block;height:100%;background:var(--brand-grad);border-radius:99px;transition:width .4s}
.side-quota .bar i:after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(120deg,transparent,rgba(255,255,255,.5),transparent);transform:translateX(-100%);animation:barflow 3s ease-in-out infinite}
@keyframes barflow{0%,55%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.side-quota .txt{font-size:11.5px;color:var(--ink3)}
.side-foot{padding:12px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px}
.side-foot .ava{width:34px;height:34px;border-radius:50%;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex:none;box-shadow:var(--shadow-brand);overflow:hidden}
.side-foot .ava img{width:100%;height:100%;object-fit:cover}
.ava-lg{width:72px;height:72px;border-radius:50%;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:26px;flex:none;box-shadow:var(--shadow-brand);overflow:hidden}
.ava-lg img{width:100%;height:100%;object-fit:cover}
.side-foot .u{min-width:0}
.side-foot .u b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-foot .u span{font-size:11.5px;color:var(--ink3)}

.app-main{flex:1;min-width:0;display:flex;flex-direction:column;height:100vh;overflow:hidden}
.app-main > section{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}
.app-main > section.hide{display:none!important}
.app-top{display:flex;align-items:center;gap:14px;padding:16px 26px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.crumbs{font-size:15px;font-weight:600;display:flex;align-items:center;gap:6px;min-width:0}
.crumbs .crumb{cursor:pointer;color:var(--ink2);padding:3px 9px;border-radius:8px;white-space:nowrap}
.crumbs .crumb:hover{color:var(--brand);background:var(--bg-soft)}
.crumbs .sep{color:var(--ink3);font-size:12px}
.crumbs .cur{color:var(--ink);cursor:default;font-weight:700}
.app-top .search{width:min(320px,30vw)}
.app-top .search .input{padding:8px 14px;border-radius:12px}
.app-body{flex:1;overflow:auto;padding:22px 26px}
.announce{display:flex;align-items:center;gap:10px;background:var(--brand-grad-soft);border:1px solid rgba(29,78,216,.22);border-radius:12px;padding:10px 14px;margin-bottom:16px;font-size:13.5px;color:var(--ink)}
.announce .ann-ic{color:var(--brand);flex:none}
.announce .ann-txt{flex:1;min-width:0}
.announce .ann-close{flex:none;margin-left:auto}

.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.toolbar #uploadBtn{box-shadow:var(--shadow-brand)}
.path-row{display:flex;align-items:center;gap:4px;margin-bottom:14px;min-width:0}
.path-row .crumbs{flex:1;min-width:0;flex-wrap:wrap}
.view-switch{display:flex;background:var(--bg-soft);border-radius:11px;padding:3px;margin-left:auto}
.view-switch button{border:none;background:transparent;width:32px;height:30px;border-radius:9px;cursor:pointer;color:var(--ink3);font-size:15px}
.view-switch button.active{background:#fff;color:var(--brand);box-shadow:var(--shadow)}
#multiBtn.active{background:var(--brand-grad-soft);color:var(--brand);border-color:rgba(29,78,216,.3)}

.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:14px;min-width:0}
.file-grid .item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px 12px 12px;text-align:center;cursor:pointer;transition:all .18s;position:relative;min-width:0}
.file-grid .item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#dcdff3}
.file-grid .item.sel{border-color:var(--brand);background:rgba(29,78,216,.05);box-shadow:0 0 0 3px rgba(29,78,216,.15)}
.file-grid .fi{font-size:38px;line-height:1;margin:4px auto 10px;width:52px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:#f6f7fc;transition:transform .18s}
.file-grid .item:hover .fi{transform:scale(1.06)}
.file-grid .nm{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:3px}
.file-grid .meta{font-size:11px;color:var(--ink3)}
.file-grid .ck{position:absolute;top:9px;left:9px;width:18px;height:18px;border-radius:6px;border:1.5px solid #c8cde3;display:none;align-items:center;justify-content:center;background:#fff;font-size:12px;color:#fff;z-index:2}
.file-grid.multi .ck{display:flex}
.file-grid .item.sel .ck{background:var(--brand);border-color:var(--brand)}
.file-grid .item .fav{position:absolute;top:8px;right:10px;display:flex;z-index:2}

.file-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:var(--shadow-sm)}
.file-list .row{display:flex;align-items:center;gap:12px;padding:11px 18px;border-bottom:1px solid #f2f3f9;cursor:pointer;transition:background .12s}
.file-list .row:last-child{border-bottom:none}
.file-list .row:hover{background:#f8f9fe}
.file-list .row.sel{background:rgba(29,78,216,.08)}
.file-list .row .fi{font-size:20px;width:26px;text-align:center;flex:none}
.file-list .row .nm{flex:1;font-weight:500;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-list .row .meta{font-size:12px;color:var(--ink3);flex:none;width:110px;text-align:right}
.file-list .row .act{flex:none;display:flex;gap:2px}
.file-list .ck{width:18px;height:18px;border-radius:6px;border:1.5px solid #c8cde3;flex:none;display:none;align-items:center;justify-content:center;background:#fff;color:#fff;font-size:12px}
.file-list.multi .ck{display:flex}
.file-list .row.sel .ck{background:var(--brand);border-color:var(--brand)}

/* 文件类型图标颜色 */
.fi.folder{color:#f59e0b;background:#fffbeb!important}
.fi.img{color:#22c55e;background:#f0fdf4!important}
.fi.video{color:#ef4444;background:#fef2f2!important}
.fi.audio{color:#a855f7;background:#faf5ff!important}
.fi.pdf{color:#f43f5e;background:#fff1f2!important}
.fi.doc{color:#3b82f6;background:#eff6ff!important}
.fi.sheet{color:#10b981;background:#ecfdf5!important}
.fi.ppt{color:#ea580c;background:#fff7ed!important}
.fi.txt{color:#64748b;background:#f1f5f9!important}
.fi .fico{display:block;border-radius:8px;object-fit:contain}
.fi.json{color:#f59e0b;background:#fffbeb!important}
.fi.html{color:#2563eb;background:#eff6ff!important}
.fi.zip{color:#f59e0b;background:#fffbeb!important}
.fi.iso{color:#6d28d9;background:#f5f3ff!important}
.fi.code{color:#0ea5e9;background:#f0f9ff!important}
.fi.file{color:#64748b;background:#f1f5f9!important}

/* 文件封面缩略图 */
.file-grid .cover{width:100%;aspect-ratio:16/10;border-radius:12px;overflow:hidden;margin:2px auto 10px;background:#f6f7fc;position:relative;display:flex;align-items:center;justify-content:center}
.file-grid .cover img,.file-grid .cover video{width:100%;height:100%;object-fit:cover;display:block}
.file-grid .vbadge{position:absolute;right:6px;bottom:6px;display:flex;align-items:center;gap:3px;background:rgba(10,13,30,.62);color:#fff;font-size:10px;line-height:1;padding:3px 7px;border-radius:99px}
.file-list .row .thumb{width:40px;height:40px;border-radius:9px;overflow:hidden;flex:none;position:relative;background:#f6f7fc}
.file-list .row .thumb img,.file-list .row .thumb video{width:100%;height:100%;object-fit:cover;display:block}
.file-list .row .thumb .vbadge{position:absolute;right:2px;bottom:2px;display:flex;align-items:center;background:rgba(10,13,30,.62);color:#fff;border-radius:99px;padding:1px 3px;line-height:1}
.cover .cload,.thumb .cload{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#f6f7fc;transition:opacity .25s;z-index:2;border-radius:inherit}
.cover.loaded .cload,.thumb.loaded .cload{opacity:0;pointer-events:none}
.cload::before{content:'';width:20px;height:20px;border-radius:50%;border:2px solid #e3e6f3;border-top-color:#4f6ef7;animation:cloadspin .7s linear infinite}
@keyframes cloadspin{to{transform:rotate(360deg)}}

/* 待支付订单 */
.order-item{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:14px 18px}
.order-divider{height:1px;background:var(--line);margin-left:18px;margin-right:18px}
.order-main{min-width:0}
.order-name{font-size:14px;font-weight:700}
.order-meta{font-size:11px;color:var(--ink3);margin-top:2px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.order-cd{font-size:12px;color:var(--brand);font-weight:600;margin-top:4px}
.order-side{display:flex;align-items:center;gap:14px;flex:none}
.order-price{font-size:19px;font-weight:800;color:var(--brand)}
.order-actions{display:flex;gap:8px}

/* ---------- 上传面板 ---------- */
.upload-item{display:flex;align-items:center;gap:12px;padding:11px;border:1px solid var(--line);border-radius:13px;margin-bottom:9px;background:#fff;transition:box-shadow .15s}
.upload-item:hover{box-shadow:var(--shadow-sm)}
.upload-item .fi{font-size:22px;flex:none}
.upload-item .info{flex:1;min-width:0}
.upload-item .nm{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.upload-item .st{font-size:11.5px;color:var(--ink3);margin-top:2px}
.upload-item .bar{height:5px;background:#eef0f9;border-radius:99px;margin-top:6px;overflow:hidden}
.upload-item .bar i{display:block;height:100%;background:var(--brand-grad);border-radius:99px;transition:width .2s}
.upload-item .pct{font-size:12px;font-weight:700;color:var(--brand);flex:none;width:44px;text-align:right}

/* ---------- 分享 / 预览 ---------- */
.preview-modal .preview-box{max-height:66vh;overflow:auto;display:flex;align-items:center;justify-content:center;background:#0f1220;border-radius:13px;padding:10px;min-height:160px}
.preview-box img,.preview-box video{max-width:100%;max-height:60vh;border-radius:8px}
.preview-box iframe{width:100%;height:60vh;border:none;border-radius:8px;background:#fff}
.preview-box audio{width:100%}
.preview-box .txtpre{width:100%;height:60vh;overflow:auto;background:#0f1220;color:#d5d9e8;padding:18px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;white-space:pre-wrap;border-radius:8px}

/* 自定义视频播放器（Canvas 渲染） */
.vp{position:relative;width:100%;max-width:840px;max-height:60vh;background:#000;border-radius:8px;overflow:hidden;display:flex;align-items:center;justify-content:center;outline:none;user-select:none;cursor:pointer;touch-action:manipulation;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}
.vp-canvas{display:block;max-width:100%;max-height:60vh;width:auto;height:auto}
.vp-src{position:absolute;left:0;top:0;width:100%;height:100%;opacity:0;pointer-events:none;z-index:-1}
.vp:fullscreen{max-width:none;max-height:none;width:100vw;height:100vh;border-radius:0}
.vp:fullscreen .vp-canvas,.vp-full .vp-canvas{max-height:calc(100vh - 46px);height:auto}
.vp-full{position:fixed;inset:0;width:100vw;height:100vh;max-width:none;max-height:none;border-radius:0;z-index:1000;background:#000}
.vp-big{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;border:none;background:rgba(0,0,0,.55);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;backdrop-filter:blur(4px);transition:transform .15s,opacity .2s;z-index:3;padding:0}
.vp-big:hover{transform:translate(-50%,-50%) scale(1.08);background:rgba(0,0,0,.7)}
.vp-big.hide{opacity:0;pointer-events:none}
.vp-bar{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:10px;padding:8px 12px 10px;background:linear-gradient(transparent,rgba(0,0,0,.85));color:#fff;opacity:0;transition:opacity .22s;z-index:4}
.vp:hover .vp-bar,.vp:focus .vp-bar,.vp:not(.playing) .vp-bar{opacity:1}
.vp-btn{background:none;border:none;color:inherit;display:flex;align-items:center;justify-content:center;padding:4px;cursor:pointer;border-radius:6px;flex:none}
.vp-btn:hover{background:rgba(255,255,255,.14)}
.vp-time,.vp-dur{font-size:11.5px;font-variant-numeric:tabular-nums;min-width:34px;text-align:center;opacity:.92;flex:none}
.vp-seek{position:relative;flex:1;height:16px;display:flex;align-items:center;cursor:pointer;touch-action:none}
.vp-seek::before{content:'';position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:4px;border-radius:4px;background:rgba(255,255,255,.25)}
.vp-hover,.vp-fill{position:absolute;left:0;top:50%;transform:translateY(-50%);height:4px;border-radius:4px;pointer-events:none}
.vp-hover{background:rgba(255,255,255,.35);width:0}
.vp-fill{background:var(--brand2,#818cf8);width:0}
.vp-vol{-webkit-appearance:none;appearance:none;width:74px;height:4px;border-radius:4px;background:rgba(255,255,255,.25);cursor:pointer;outline:none;flex:none}
.vp-vol::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:#fff;border:none;box-shadow:0 1px 4px rgba(0,0,0,.4)}
.vp-vol::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:#fff;border:none}
.vp-err{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#ffd3d3;background:rgba(0,0,0,.7);font-size:13px;z-index:5}

/* 分享落地（商业版式） */
.share-page{min-height:100vh;display:flex;flex-direction:column;background:
  radial-gradient(920px 520px at 12% -12%,rgba(29,78,216,.10),transparent 60%),
  radial-gradient(760px 460px at 90% -6%,rgba(20,48,95,.08),transparent 60%),#f4f6fc}
.share-top{width:min(660px,94%);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:22px 0 12px}
.share-brand{display:flex;align-items:center;gap:11px}
.share-brand .mark{width:36px;height:36px;border-radius:11px;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-brand);flex:none}
.share-brand .nm{font-weight:800;font-size:15.5px;line-height:1.2;letter-spacing:-.01em}
.share-brand .tg{font-size:11.5px;color:var(--ink3);font-weight:600}
.share-back{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink2);padding:8px 14px;border-radius:10px;transition:.15s}
.share-back:hover{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}
.share-main{flex:1;display:flex;justify-content:center;padding:12px 0 34px}
.share-card{width:min(660px,94%);background:#fff;border:1px solid #eceef6;border-radius:22px;box-shadow:0 26px 70px rgba(21,24,39,.11);overflow:hidden}
.share-sec{display:flex;align-items:center;justify-content:center;gap:8px;padding:11px;font-size:12px;font-weight:600;color:var(--ink3);background:linear-gradient(180deg,#f7f8ff,#fff);border-bottom:1px solid #f1f2fa}
.share-sec .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(16,185,129,.18)}
.share-panel{padding:36px 36px 8px;display:flex;flex-direction:column;align-items:center;text-align:center}
.share-ftile{width:76px;height:76px;border-radius:20px;background:var(--brand-grad-soft);color:var(--brand2);display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px rgba(29,78,216,.15);margin-bottom:18px}
.share-name{font-size:20px;font-weight:800;letter-spacing:-.02em;word-break:break-all;line-height:1.42;max-width:520px}
.share-from{color:var(--ink3);font-size:13px;margin-top:7px;display:flex;align-items:center;gap:7px;justify-content:center}
.share-from b{color:var(--ink2)}
.share-ava{width:22px;height:22px;border-radius:50%;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex:none;overflow:hidden}
.share-ava img{width:100%;height:100%;object-fit:cover}
.share-chips{display:flex;gap:8px;margin:18px 0 26px;flex-wrap:wrap;justify-content:center}
.share-chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--ink2);background:var(--bg-soft);padding:6px 13px;border-radius:999px}
.share-chip b{color:var(--brand)}
.share-actions{display:flex;gap:12px;width:100%;max-width:380px;justify-content:center;flex-wrap:wrap}
.share-actions .btn{flex:1;min-width:150px}
.share-trust{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;padding:22px 0 26px;color:var(--ink3);font-size:12px}
.share-trust span{display:inline-flex;align-items:center;gap:7px;font-weight:600}
.share-trust i{color:var(--brand2);font-style:normal;display:inline-flex}
.share-body{padding:8px 36px 26px}
.share-files{padding:10px 0 4px}
.share-fil{display:flex;align-items:center;gap:12px;padding:11px 16px;margin:0 -16px;border-radius:12px;transition:.12s}
.share-fil:hover{background:var(--bg-soft)}
.share-fil .mark{width:38px;height:38px;border-radius:11px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink2);flex:none}
.share-fil.fld .mark{color:var(--brand);border-color:#dfe3fb}
.share-fil .nm{font-size:14px;font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;text-align:left}
.share-fil .sz{font-size:12px;color:var(--ink3);flex:none;margin-right:6px}
.share-codewrap{padding:8px 0}
.share-code{display:flex;flex-direction:column;align-items:center;text-align:center;padding:30px 0 12px}
.share-code .lock{width:64px;height:64px;border-radius:18px;background:var(--brand-grad-soft);color:var(--brand2);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.share-code h3{font-size:17px;margin-bottom:5px}
.share-code .sub{color:var(--ink3);font-size:13px;margin-bottom:22px}
.share-empty{padding:56px 24px;text-align:center;color:var(--ink3)}
.share-foot{text-align:center;padding:15px;font-size:12px;color:var(--ink3);border-top:1px solid #f1f2fa;background:#fafbff}

/* ---------- 管理后台 ---------- */
.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat-card .lb{font-size:12.5px;color:var(--ink3);margin-bottom:6px}
.stat-card .num{font-size:25px;font-weight:800;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-card .sub{font-size:12px;color:var(--ink3);margin-top:3px}
.tabs{display:flex;gap:4px;background:var(--bg-soft);border-radius:13px;padding:4px;overflow:auto;margin-bottom:20px}
.tabs button{border:none;background:transparent;padding:9px 16px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--ink2);cursor:pointer;white-space:nowrap}
.tabs button.active{background:#fff;color:var(--brand);box-shadow:var(--shadow)}

.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:18px;align-items:start}
.settings-grid .card h3{font-size:15px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.settings-grid .card h3 .ic{width:30px;height:30px;border-radius:10px;background:var(--brand-grad-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:15px}
.app-fld{display:flex;gap:8px;align-items:stretch}
.app-fld .input{flex:1}
.app-fld .btn{white-space:nowrap}
.app-pv{margin-top:10px;width:64px;height:64px;border-radius:12px;overflow:hidden;background:#f6f7fc;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.app-pv img{max-width:100%;max-height:100%;object-fit:contain;display:block}

/* ---------- 移动端适配 ---------- */
.hamburger{display:none}
.side-backdrop{display:none}
@media (max-width:960px){
  .auth-shell{grid-template-columns:1fr}
  .auth-show{display:none}
}
@media (max-width:860px){
  .grid-feat{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .admin-stats{grid-template-columns:repeat(2,1fr)}
  .sidebar{position:fixed;z-index:80;transform:translateX(-100%);transition:transform .25s;box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .side-backdrop{display:block;position:fixed;inset:0;background:rgba(16,18,30,.5);z-index:79;opacity:0;pointer-events:none;transition:opacity .25s}
  .side-backdrop.open{opacity:1;pointer-events:auto}
  .hamburger{display:inline-flex}
  .app{flex-direction:column}
  .app-main{height:100vh}
  .app-top{position:sticky;top:0;z-index:40}
  .mock-side{width:120px}
  .mock-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:600px){
  .grid-feat{grid-template-columns:1fr}
  .hero-stats .stat{padding:8px 20px}
  .hero-stats .stat + .stat{border-left:none}
  .nav-links{display:none}
  .app-top{padding:12px 14px}
  .app-body{padding:14px}
  .file-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .file-grid .item{padding:12px 5px 8px;min-width:0}
  .file-grid .nm{font-size:12px}
  .file-list .row .meta{display:none}
  .auth-wrap{padding:24px 16px}
  .auth-card{padding:28px 22px}
  .admin-stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .app-top .search{display:none}
  .settings-grid{grid-template-columns:1fr}
  .mock-chip{display:none}
}

/* SVG 图标 */
.svg-ico{display:inline-block;vertical-align:-.15em;flex:none}
.logo .svg-ico,.feat .ico .svg-ico,.iconbtn .svg-ico,.side-nav a .ic .svg-ico,.settings-grid .card h3 .ic .svg-ico,.card > h3 .ic .svg-ico{vertical-align:middle}
.brand .logo .svg-ico{width:18px;height:18px}
.feature-inline{display:inline-flex;align-items:center;gap:6px;color:var(--ink2)}
.text-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--brand);background:rgba(29,78,216,.08)}