/* ============================================================
   观心引擎 · 全站设计规范 v2 — Kling AI 风格统一
   配色：极深黑底 / 绿色CTA / 卡片质感 / 圆角12px
   禁止硬编码颜色值，全部走 :root 变量
   ============================================================ */
:root{
  /* 色彩 */
  --bg:#0a0a0f; --side:#111117; --card:#16161d; --card2:#1c1c25; --card3:#22222c;
  --green:#00e676; --green-d:#00c853; --green-glow:rgba(0,230,118,.18);
  --text:#f0f0f5; --text2:#9a9aad; --text3:#5a5a6e;
  --line:#28283a; --line-light:#333346;
  --red:#ff4d6d; --gold:#ffc107; --blue:#448aff; --purple:#b388ff;
  /* 尺寸 */
  --radius:12px; --radius-lg:16px; --radius-xl:20px;
  --sidebar-w:80px;
  /* 阴影 */
  --shadow-sm:0 2px 8px rgba(0,0,0,.3);
  --shadow-md:0 8px 24px rgba(0,0,0,.35);
  --shadow-lg:0 16px 48px rgba(0,0,0,.45);
  --shadow-green:0 8px 32px rgba(0,230,118,.15);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:14px;outline:none}
img{display:block;max-width:100%}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:#333;border-radius:3px}

/* ====== 布局 ====== */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--side);position:fixed;left:0;top:0;bottom:0;display:flex;flex-direction:column;align-items:center;padding:16px 0;z-index:50;border-right:1px solid var(--line)}
.side-logo{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--green),#00ffa3);display:flex;align-items:center;justify-content:center;font-weight:800;color:#04210f;font-size:18px;margin-bottom:28px;box-shadow:var(--shadow-green)}
.side-item{width:56px;height:56px;border-radius:13px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text3);margin-bottom:6px;transition:.18s;gap:3px;cursor:pointer}
.side-item svg{width:22px;height:22px}
.side-item span{font-size:10.5px;font-weight:600}
.side-item:hover{color:var(--text2);background:var(--card)}
.side-item.active{color:var(--green);background:rgba(0,230,118,.1);box-shadow:inset 0 0 0 1px rgba(0,230,118,.2)}
.side-spacer{flex:1}
.side-avatar{position:relative;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#3a3a4a,#222);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;cursor:pointer;overflow:hidden;border:2px solid transparent;transition:.18s}
.side-avatar.has-pts{border-color:var(--green)}
.side-avatar img{width:100%;height:100%;object-fit:cover}
.side-pts{position:absolute;top:-7px;left:50%;transform:translateX(-50%);background:var(--green);color:#04210f;font-size:10px;font-weight:700;padding:1px 6px;border-radius:7px;white-space:nowrap}
.main{margin-left:var(--sidebar-w);flex:1;min-width:0}

/* ====== 通知条 ====== */
.notice{display:flex;align-items:center;gap:10px;background:linear-gradient(90deg,rgba(0,230,118,.12),rgba(0,230,118,.03));border-bottom:1px solid rgba(0,230,118,.15);padding:10px 24px;font-size:13px;color:#b8f0cd}
.notice .dot{width:7px;height:7px;border-radius:50%;background:var(--green);flex:none;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.notice .x{margin-left:auto;color:var(--text3);cursor:pointer;font-size:18px;line-height:1}
.notice .dl-btn{margin-left:12px;display:flex;align-items:center;gap:5px;background:var(--green);color:#04210f;font-weight:700;padding:5px 12px;border-radius:8px;font-size:12px}

/* ====== 容器 ====== */
.wrap{max-width:1200px;margin:0 auto;padding:32px 28px 60px}

/* Hero */
.hero{padding:44px 0 32px}
.hero h1{font-size:36px;font-weight:800;letter-spacing:.5px;background:linear-gradient(90deg,#fff,#b8ffd0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.25}
.hero p{color:var(--text2);margin-top:12px;font-size:15.5px;max-width:560px}
.hero .cta{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:#04210f;font-weight:700;padding:13px 28px;border-radius:var(--radius);margin-top:24px;font-size:15px;transition:.2s;box-shadow:var(--shadow-green)}
.hero .cta:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(0,230,118,.35)}

/* 区块标题 */
.sec-title{display:flex;align-items:center;gap:10px;margin:38px 0 18px;font-size:18px;font-weight:700}
.sec-title .bar{width:4px;height:20px;background:var(--green);border-radius:2px}

/* 功能卡网格 */
.func-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.func-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 22px;overflow:hidden;cursor:pointer;transition:.22s}
.func-card:hover{transform:translateY(-4px);border-color:rgba(0,230,118,.45);box-shadow:var(--shadow-lg)}
.func-card .glow{position:absolute;width:180px;height:180px;border-radius:50%;filter:blur(56px);opacity:.22;top:-50px;right:-50px}
.func-card.c1 .glow{background:var(--green)}.func-card.c2 .glow{background:var(--purple)}.func-card.c3 .glow{background:var(--gold)}
.func-ico{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--card2);border:1px solid var(--line);position:relative;z-index:1}
.func-ico svg{width:28px;height:28px}
.func-card h3{font-size:17px;margin-top:16px;position:relative;z-index:1}
.func-card p{color:var(--text2);margin-top:8px;font-size:13px;position:relative;z-index:1;min-height:38px}
.func-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px;position:relative;z-index:1}
.func-tags span{font-size:11px;color:var(--text2);background:var(--card2);border:1px solid var(--line);padding:3px 9px;border-radius:7px}
.func-arrow{position:absolute;bottom:18px;right:18px;color:var(--text3);opacity:0;transition:.2s;z-index:1}
.func-card:hover .func-arrow{opacity:1;color:var(--green)}
.hot{position:absolute;top:14px;left:14px;background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:2px 8px;border-radius:6px;z-index:2}

.keep-tip{margin-top:30px;font-size:12px;color:var(--text3);border-top:1px dashed var(--line);padding-top:16px}

/* ====== 按钮系统 ====== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 22px;border-radius:var(--radius);font-weight:700;font-size:14px;transition:.18s;border:1px solid transparent}
.btn-green{background:var(--green);color:#04210f}
.btn-green:hover{background:var(--green-d);transform:translateY(-1px);box-shadow:var(--shadow-green)}
.btn-ghost{background:var(--card);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.btn-outline{background:transparent;border-color:var(--green);color:var(--green)}
.btn-outline:hover{background:rgba(0,230,118,.08)}
.btn-gold{background:linear-gradient(135deg,#ffc107,#ff9800);color:#1a1a0a;font-weight:800}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,193,7,.3)}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}
.btn-sm{padding:7px 15px;font-size:13px;border-radius:9px}
.btn-lg{padding:14px 32px;font-size:15px;border-radius:var(--radius-lg)}

/* ====== 弹窗系统 ====== */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.65);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:200}
.mask.show{display:flex;animation:fade .2s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);width:400px;max-width:92vw;padding:28px;position:relative;animation:pop .22s ease;box-shadow:var(--shadow-lg)}
@keyframes pop{from{transform:scale(.94) translateY(10px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}
.modal.wide{width:480px}
.modal h3{font-size:19px;margin-bottom:4px}
.modal .sub{color:var(--text3);font-size:13px;margin-bottom:18px}
.modal .x{position:absolute;top:16px;right:18px;font-size:22px;color:var(--text3);cursor:pointer;line-height:1;transition:.15s}
.modal .x:hover{color:var(--text)}

/* ====== 表单 ====== */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text2);margin-bottom:7px;font-weight:600}
.field input,.field select,.field textarea{width:100%;background:var(--card2);border:1.5px solid var(--line);border-radius:10px;padding:12px 15px;color:var(--text);transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--green-glow)}
.field input::placeholder{color:var(--text3)}
.field .err{color:var(--red);font-size:12px;margin-top:5px;display:none}
.field.bad input{border-color:var(--red)}
.field.bad .err{display:block}
.code-row{display:flex;gap:10px;align-items:center}
.code-row input{flex:1;min-width:0}
.code-btn{flex:none;width:120px;height:43px;background:var(--card2);border:1.5px solid var(--line);border-radius:10px;color:var(--green);font-weight:700;font-size:13px;cursor:pointer;transition:.15s;display:inline-flex;align-items:center;justify-content:center}
.code-btn:hover:not(:disabled){background:rgba(0,230,118,.08);border-color:var(--green)}
.code-btn:disabled{color:var(--text3);cursor:not-allowed;opacity:.55}

/* Tabs */
.tabs{display:flex;gap:5px;background:var(--card2);padding:4px;border-radius:12px;width:fit-content}
.tabs span{padding:8px 18px;border-radius:9px;color:var(--text2);font-size:14px;cursor:pointer;transition:.15s;font-weight:600}
.tabs span.active{background:var(--green);color:#04210f;font-weight:700}

/* Links */
.links{margin-top:16px;text-align:center;font-size:13px;color:var(--text3)}
.links a{color:var(--green);cursor:pointer;font-weight:600}
.links a:hover{text-decoration:underline}

/* 浮层菜单 */
.pop{position:absolute;background:#1a1a24;border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px;width:260px;box-shadow:var(--shadow-lg);z-index:120;display:none}
.pop.show{display:block;animation:pop .18s}
.pop .ph{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.pop .ph .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#3a3a4a,#222);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;flex:none;font-size:18px;font-weight:700;color:var(--green)}
.pop .ph .av img{width:100%;height:100%;object-fit:cover}
.pop .ph .cam{position:absolute;top:-3px;right:-3px;width:24px;height:24px;border-radius:50%;background:var(--green);border:2px solid var(--bg);display:flex;align-items:center;justify-content:center;cursor:pointer;color:#04210f;transition:.15s;z-index:5;pointer-events:auto;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.pop .ph .cam:hover{color:#04210f;transform:scale(1.15);box-shadow:0 3px 12px rgba(0,230,118,.4)}
.pop .ph .cam svg{width:13px;height:13px}
/* 点击弹窗内头像也可上传 */
.pop .ph .av{cursor:pointer;transition:.15s}
.pop .ph .av:hover{opacity:.9}
.pop .ph .nm{font-weight:700;font-size:14px}
.pop .ph .pts{color:var(--green);font-size:12px;font-weight:700}
/* 会员卡片（弹窗内） */
.pop .vip-box{background:linear-gradient(135deg,rgba(255,193,7,.08),rgba(255,193,7,.02));border:1px solid rgba(255,193,7,.25);border-radius:12px;padding:14px;margin:10px 0;text-align:center}
.pop .vip-box .t{font-size:13px;font-weight:700;color:var(--gold);margin-bottom:4px}
.pop .vip-box .b{font-size:11px;color:var(--text3);margin-bottom:10px}
.pop .vip-box .vb{width:100%;padding:9px;border-radius:10px;background:linear-gradient(135deg,#ffc107,#ff9800);color:#1a1a0a;font-weight:800;font-size:13px;cursor:pointer;transition:.15s;border:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.pop .vip-box .vb:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(255,193,7,.3)}
.pop .row{display:flex;align-items:center;gap:10px;padding:9px 8px;border-radius:9px;color:var(--text2);font-size:13px;cursor:pointer;transition:.12s}
.pop .row:hover{background:var(--card);color:var(--text)}
.pop .row svg{width:17px;height:17px;color:var(--text3)}
.pop .row.danger{color:var(--red)}
.pop .row.danger svg{color:var(--red)}

/* Toast */
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%) translateY(-20px);background:#1a1a24;border:1px solid var(--line);color:var(--text);padding:12px 22px;border-radius:var(--radius);font-size:14px;z-index:300;opacity:0;transition:.25s;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:9px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{border-color:rgba(0,230,118,.4)}
.toast.err{border-color:rgba(255,77,109,.4)}
.toast svg{width:18px;height:18px}
.toast.ok svg{color:var(--green)}.toast.err svg{color:var(--red)}

/* 登录弹窗四态 */
.lv-block{display:none}
.lv-block.active{display:block}
.lv-tabs{display:flex;gap:20px;margin-bottom:20px;border-bottom:1px solid var(--line);padding-bottom:0}
.lv-tabs span{padding-bottom:10px;color:var(--text3);cursor:pointer;font-size:14px;position:relative;font-weight:500}
.lv-tabs span.active{color:var(--text);font-weight:700}
.lv-tabs span.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--green);border-radius:1px}

/* ====== 工作台通用 ====== */
.work{max-width:1200px;margin:0 auto;padding:20px 28px 120px}
.work-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.work-head .back{width:38px;height:38px;border-radius:10px;background:var(--card);display:flex;align-items:center;justify-content:center;border:1px solid var(--line);color:var(--text2);cursor:pointer;transition:.15s}
.work-head .back:hover{border-color:var(--green);color:var(--green)}
.work-head h2{font-size:20px}
.work-head .st{margin-left:auto;font-size:13px;color:var(--text3)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.panel h4{font-size:14px;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--text)}

.upload-zone{border:1.5px dashed var(--line);border-radius:var(--radius);padding:24px 12px;text-align:center;color:var(--text3);cursor:pointer;transition:.18s}
.upload-zone:hover{border-color:var(--green);color:var(--text2);background:rgba(0,230,118,.02)}
.upload-zone svg{width:28px;height:28px;margin:0 auto 8px;display:block}
.upload-zone input{display:none}
.hd-badge{display:inline-flex;align-items:center;gap:5px;background:rgba(0,230,118,.12);color:var(--green);font-size:11px;font-weight:700;padding:3px 9px;border-radius:7px;margin-left:auto}
.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.thumb{width:64px;height:64px;border-radius:9px;object-fit:cover;border:1px solid var(--line);position:relative}
.thumb video{width:64px;height:64px;border-radius:9px;object-fit:cover}
.thumb .rm{position:absolute;top:-7px;right:-7px;width:18px;height:18px;border-radius:50%;background:var(--red);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;line-height:1;transition:.15s}
.thumb .rm:hover{transform:scale(1.15)}
.canvas{background:var(--card);border:1.5px dashed var(--line);border-radius:var(--radius-lg);min-height:360px;display:flex;align-items:center;justify-content:center;color:var(--text3);text-align:center;padding:30px}
.canvas img,.canvas video{max-width:100%;max-height:420px;border-radius:10px}
.canvas .hi{color:var(--green);font-weight:700}
.hist-item{display:flex;flex-direction:column;padding:12px;background:var(--card2);border-radius:var(--radius);margin-bottom:10px;cursor:pointer;border:1px solid var(--line);transition:.15s}
.hist-item:hover{border-color:var(--green);background:var(--card)}
.hist-item img,.hist-item video{width:100%;height:auto;max-height:160px;object-fit:cover;border-radius:8px;display:block;margin-bottom:8px}
.hist-item .meta{font-size:12px;color:var(--text2);min-width:0}
.hist-item .meta b{color:var(--text);font-size:13px}
.tag-status{font-size:11px;padding:2px 8px;border-radius:6px;font-weight:700;display:inline-block;margin-top:4px}
.s-0,.s-1{background:rgba(255,193,7,.14);color:var(--gold)}
.s-2{background:rgba(0,230,118,.14);color:var(--green)}
.s-3{background:rgba(255,77,109,.14);color:var(--red)}
.work-bar{position:sticky;bottom:0;background:rgba(16,16,22,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;gap:14px;margin-top:18px;z-index:30;border-radius:var(--radius) var(--radius) 0 0}
.seg{display:flex;gap:6px}
.seg button{padding:8px 14px;border-radius:9px;background:var(--card2);border:1px solid var(--line);color:var(--text2);font-size:13px;transition:.12s;font-weight:600}
.seg button.on{background:var(--green);color:#04210f;border-color:var(--green);font-weight:700}
.seg button:hover:not(.on){border-color:var(--line-light);color:var(--text)}
.work-bar .cost{font-size:15px;font-weight:700;color:var(--green)}
.work-bar .spacer{flex:1}
.guide{font-size:12px;color:var(--text3);line-height:1.75;background:var(--card2);border-radius:10px;padding:12px;margin-top:12px}
.guide b{color:var(--text2)}
.steps{display:flex;gap:10px;margin:6px 0 16px}
.step{flex:1;background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center}
.step .n{width:26px;height:26px;border-radius:50%;background:var(--green);color:#04210f;font-weight:800;margin:0 auto 6px;display:flex;align-items:center;justify-content:center;font-size:13px}
.step .t{font-size:12px;color:var(--text2)}

/* ====== 充值页面 ====== */
.pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pack-card{background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius-lg);padding:24px 20px;text-align:center;cursor:pointer;transition:.2s;position:relative}
.pack-card:hover{border-color:var(--green);transform:translateY(-3px)}
.pack-card.recommended{border-color:var(--green);box-shadow:var(--shadow-green)}
.pack-card.recommended::after{content:"推荐";position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--green);color:#04210f;font-size:11px;font-weight:700;padding:2px 12px;border-radius:8px}
.pack-card .price{font-size:28px;font-weight:800;color:var(--green);margin:10px 0 4px}
.pack-card .price small{font-size:14px;font-weight:600}
.pack-card .pts{font-size:13px;color:var(--text2)}
.pack-card .perk{font-size:11px;color:var(--text3);margin-top:8px}
.qr-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;text-align:center;margin-top:20px}
.qr-img{width:180px;height:180px;margin:0 auto 14px;border-radius:12px;overflow:hidden}

/* ====== 用户中心 ====== */
.user-profile{display:flex;gap:20px;align-items:center;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);margin-bottom:20px}
.user-avatar{width:68px;height:68px;border-radius:50%;background:linear-gradient(135deg,#3a3a4a,#222);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;color:var(--green);flex:none;overflow:hidden;border:2px solid var(--line)}
.user-avatar img{width:100%;height:100%;object-fit:cover}
.user-info h3{font-size:18px}
.user-info .uid{font-size:12px;color:var(--text3);margin-top:2px}
.user-stats{display:flex;gap:20px;margin-left:auto}
.user-stat{text-align:center}
.user-stat .val{font-size:22px;font-weight:800;color:var(--green)}
.user-stat .lab{font-size:12px;color:var(--text3);margin-top:2px}
.stat-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:20px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.stat-card h4{font-size:13px;color:var(--text2);margin-bottom:10px}
.stat-card .big{font-size:28px;font-weight:800}

/* ====== 帮助页 ====== */
.help-list{display:flex;flex-direction:column;gap:10px}
.help-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;cursor:pointer;transition:.15s;display:flex;align-items:center;gap:14px}
.help-item:hover{border-color:var(--green);background:var(--card2)}
.help-item .q-mark{width:32px;height:32px;border-radius:8px;background:var(--green-glow);color:var(--green);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:none}
.help-item .q-txt{flex:1;font-size:14px}
.help-item .arrow{color:var(--text3);transition:.15s}
.help-item:hover .arrow{color:var(--green);transform:translateX(3px)}

/* ====== 响应式 ====== */
@media(max-width:900px){
  .func-grid{grid-template-columns:1fr}
  .pack-grid{grid-template-columns:1fr 1fr}
  .stat-cards{grid-template-columns:1fr}
  .work-body{grid-template-columns:1fr !important}
  .col-left,.col-right{display:none}
}