/* ============================================================
   科技感视觉覆盖层 (tech.css) —— 前台全站
   设计语言: 深蓝黑底 + 网格线 + 玻璃拟态 + 青蓝霓虹发光
   仅覆盖视觉样式, 不改变任何 DOM 结构与 JS 依赖
   ============================================================ */

/* ---------- 全局背景与网格 ---------- */
body {
    background:
        linear-gradient(rgba(56, 189, 248, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, .045) 1px, transparent 1px),
        radial-gradient(1200px 600px at 85% -10%, rgba(79, 140, 255, .14), transparent 60%),
        radial-gradient(1000px 700px at -10% 110%, rgba(34, 211, 238, .10), transparent 55%),
        linear-gradient(160deg, #070b14 0%, #0a1120 45%, #0d1630 100%);
    background-size: 34px 34px, 34px 34px, 100% 100%, 100% 100%, 100% 100%;
    background-attachment: fixed;
    color: #e8f1ff;
}

/* 顶部扫光动画 */
body::before {
    content: '';
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    pointer-events: none;
    z-index: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(34, 211, 238, .06) 47%, rgba(99, 102, 241, .05) 53%, transparent 70%);
    background-size: 260% 260%;
    animation: tech-sweep 14s ease-in-out infinite;
}
@keyframes tech-sweep {
    0%   { background-position: 120% 0; }
    50%  { background-position: -20% 0; }
    100% { background-position: 120% 0; }
}
main.container, .container { position: relative; z-index: 1; }

/* ---------- 顶栏 ---------- */
.topbar {
    background: rgba(10, 16, 32, .72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(94, 140, 255, .22);
    box-shadow: 0 1px 0 rgba(34, 211, 238, .12), 0 8px 28px rgba(2, 8, 24, .45);
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -1px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34, 211, 238, .7), transparent);
}
.topbar .logo {
    color: #fff;
    text-shadow: 0 0 14px rgba(34, 211, 238, .55);
    letter-spacing: .5px;
}
.topbar .nav a {
    color: #a9bbdf;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 6px 12px;
    transition: all .22s ease;
}
.topbar .nav a:hover {
    color: #fff;
    background: rgba(34, 211, 238, .08);
    border-color: rgba(34, 211, 238, .35);
    box-shadow: 0 0 14px rgba(34, 211, 238, .18) inset, 0 0 10px rgba(34, 211, 238, .12);
}
.topbar-user a {
    color: #a9bbdf;
    padding: 6px 10px;
    border-radius: 8px;
    transition: all .2s ease;
}
.topbar-user a:hover { color: #fff; text-shadow: 0 0 10px rgba(34, 211, 238, .6); }

/* ---------- 页头标题 ---------- */
.page-head h1 {
    background: linear-gradient(92deg, #67e8f9 0%, #7aa7ff 55%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 0 rgba(0,0,0,0);
    filter: drop-shadow(0 0 12px rgba(34, 211, 238, .35));
    letter-spacing: 1px;
}
.page-head .sub { color: #8fa2c9; }

/* ---------- 面板 / 卡片: 玻璃拟态 ---------- */
.panel, .card, .layout-item, .photo-item, .plan-card {
    background: rgba(17, 25, 47, .66) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(94, 140, 255, .16) !important;
    border-radius: 12px !important;
    box-shadow: 0 10px 34px rgba(2, 8, 24, .42), 0 0 0 1px rgba(34, 211, 238, .04), inset 0 1px 0 rgba(255, 255, 255, .04);
}
.panel h2, .card h3, .panel h3, .modal-head h3, .modal-head {
    color: #eaf2ff;
    letter-spacing: .5px;
}
.panel h2::before, .card h3::before {
    content: '';
    display: inline-block;
    width: 4px; height: 14px;
    margin-right: 8px;
    border-radius: 2px;
    vertical-align: -2px;
    background: linear-gradient(180deg, #22d3ee, #4f8cff);
    box-shadow: 0 0 8px rgba(34, 211, 238, .8);
}

/* ---------- 按钮 ---------- */
.btn {
    background: rgba(30, 41, 72, .7);
    color: #dbe7ff;
    border: 1px solid rgba(94, 140, 255, .3);
    border-radius: 9px;
    transition: all .22s ease;
}
.btn:hover {
    border-color: rgba(34, 211, 238, .6);
    box-shadow: 0 0 16px rgba(34, 211, 238, .25), inset 0 0 12px rgba(34, 211, 238, .06);
    color: #fff;
}
.btn-primary {
    background: linear-gradient(135deg, #0891b2 0%, #2563eb 60%, #4f46e5 100%);
    border: 1px solid rgba(103, 232, 249, .45);
    color: #fff;
    box-shadow: 0 4px 18px rgba(37, 99, 235, .35), inset 0 1px 0 rgba(255, 255, 255, .18);
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 46%;
    left: -60%;
    background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .28), transparent);
    transform: skewX(-18deg);
    transition: left .5s ease;
}
.btn-primary:hover { box-shadow: 0 0 26px rgba(34, 211, 238, .45), 0 4px 18px rgba(37, 99, 235, .45); color: #fff; }
.btn-primary:hover::after { left: 130%; }
.btn-outline {
    background: transparent;
    color: #67e8f9;
    border: 1px solid rgba(34, 211, 238, .5);
}
.btn-outline:hover { background: rgba(34, 211, 238, .08); box-shadow: 0 0 14px rgba(34, 211, 238, .3); color: #fff; }
.btn:disabled, .btn[disabled] {
    opacity: .4;
    box-shadow: none;
    filter: grayscale(.4);
}
.btn:disabled:hover { box-shadow: none; color: #dbe7ff; }

/* ---------- 输入框 / 表单 ---------- */
.form-row label { color: #b6c6ea; }
.form-row input[type=text], .form-row input[type=password], .form-row input[type=email], .form-row input[type=number],
.inp-mm, .inp-text, .inp-xs, .inp-sm, .form-row input[type=file] {
    background: rgba(10, 17, 34, .85);
    border: 1px solid rgba(94, 140, 255, .28);
    border-radius: 8px;
    color: #e6eeff;
    transition: all .2s ease;
}
.inp-mm:focus, .inp-text:focus, .inp-xs:focus, .inp-sm:focus,
.form-row input:focus {
    border-color: rgba(34, 211, 238, .8);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, .12), 0 0 14px rgba(34, 211, 238, .25);
    outline: none;
}
input::placeholder, textarea::placeholder { color: #5b6c92; }
textarea, select {
    background: rgba(10, 17, 34, .85) !important;
    border: 1px solid rgba(94, 140, 255, .28) !important;
    border-radius: 8px !important;
    color: #e6eeff !important;
}
textarea:focus, select:focus {
    border-color: rgba(34, 211, 238, .8) !important;
    box-shadow: 0 0 0 3px rgba(34, 211, 238, .12) !important;
}

/* ---------- 纸张卡片 ---------- */
.paper-card {
    background: rgba(14, 22, 42, .8);
    border: 1px solid rgba(94, 140, 255, .2);
    border-radius: 10px;
    transition: all .22s ease;
}
.paper-card:hover {
    border-color: rgba(34, 211, 238, .65);
    box-shadow: 0 0 16px rgba(34, 211, 238, .22);
    transform: translateY(-1px);
}
.paper-card.active {
    background: linear-gradient(135deg, rgba(34, 211, 238, .16), rgba(79, 140, 255, .14));
    border-color: rgba(34, 211, 238, .85);
    box-shadow: 0 0 18px rgba(34, 211, 238, .35), inset 0 0 20px rgba(34, 211, 238, .06);
}
.paper-card .pname { color: #e6eeff; }
.paper-card .psize { color: #7f92bb; }

/* ---------- 上传区 ---------- */
.dropzone {
    background: rgba(13, 21, 41, .7) !important;
    border: 2px dashed rgba(34, 211, 238, .4) !important;
    border-radius: 12px;
    transition: all .25s ease;
}
.dropzone:hover, .dropzone.drag-over, .dropzone.dragover {
    border-color: #22d3ee !important;
    background: rgba(34, 211, 238, .07) !important;
    box-shadow: 0 0 26px rgba(34, 211, 238, .3), inset 0 0 30px rgba(34, 211, 238, .05);
}
.dz-inner { color: #a9bbdf; }
.dz-inner strong { color: #67e8f9; text-shadow: 0 0 10px rgba(34, 211, 238, .5); }

/* ---------- 照片列表 ---------- */
.photo-item {
    background: rgba(16, 25, 47, .75) !important;
    border-radius: 12px !important;
    overflow: hidden;
    transition: all .22s ease;
}
.photo-item:hover {
    border-color: rgba(34, 211, 238, .5) !important;
    box-shadow: 0 0 20px rgba(34, 211, 238, .22);
    transform: translateY(-2px);
}
.photo-item .ph-info, .photo-item .ph-op, .photo-item .ph-sz { color: #a9bbdf; }

/* ---------- 表格 ---------- */
.table th {
    background: linear-gradient(90deg, rgba(34, 211, 238, .10), rgba(79, 140, 255, .10)) !important;
    color: #9fd8ff !important;
    border-bottom: 1px solid rgba(94, 140, 255, .25) !important;
    letter-spacing: .5px;
}
.table td {
    color: #cdd9f5;
    border-bottom: 1px solid rgba(94, 140, 255, .10) !important;
}
.table tr:hover td { background: rgba(34, 211, 238, .05) !important; }
.table tbody tr:nth-child(even) td { background: rgba(20, 30, 56, .4); }
.table tbody tr:nth-child(even):hover td { background: rgba(34, 211, 238, .06); }

/* ---------- 提示 / 徽章 ---------- */
.alert { border-radius: 10px; border-width: 1px; }
.alert-error { background: rgba(127, 29, 29, .35); border-color: rgba(248, 113, 113, .5); color: #fecaca; }
.alert-success { background: rgba(20, 83, 45, .35); border-color: rgba(74, 222, 128, .5); color: #bbf7d0; }
.alert-info { background: rgba(30, 58, 138, .35); border-color: rgba(96, 165, 250, .5); color: #bfdbfe; }
.badge-vip {
    background: linear-gradient(135deg, rgba(250, 204, 21, .9), rgba(245, 158, 11, .9));
    color: #1a1300 !important;
    border-radius: 999px;
    box-shadow: 0 0 12px rgba(250, 204, 21, .5);
    font-weight: 700;
}
.green { color: #4ade80; text-shadow: 0 0 8px rgba(74, 222, 128, .4); }
.red { color: #f87171; text-shadow: 0 0 8px rgba(248, 113, 113, .4); }
.hint { color: #7488b4 !important; }

/* ---------- 预览区(纸张保持白色) ---------- */
.preview-area { background: rgba(8, 13, 27, .72) !important; }
.preview-area .sheet, .sheet {
    background: #ffffff !important;
    box-shadow: 0 6px 24px rgba(0, 0, 0, .55), 0 0 0 1px rgba(148, 163, 184, .25), 0 0 40px rgba(34, 211, 238, .07) !important;
    border-radius: 4px;
}
.page-tag { color: #7f92bb; }

/* ---------- 手动排版画布 ---------- */
.m-sheet {
    background: #ffffff !important;
    box-shadow: 0 6px 24px rgba(0, 0, 0, .55), 0 0 0 1px rgba(148, 163, 184, .25);
}
.m-cell {
    border: 1px solid rgba(34, 211, 238, .55) !important;
    box-shadow: 0 0 10px rgba(34, 211, 238, .18);
}
.manual-pager, .manual-tips { color: #8fa2c9; }

/* ---------- 弹窗 ---------- */
.modal-mask { background: rgba(4, 8, 18, .72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.modal {
    background: rgba(15, 23, 44, .95);
    border: 1px solid rgba(94, 140, 255, .3);
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .6), 0 0 40px rgba(34, 211, 238, .10);
}
.modal-close:hover { color: #f87171; text-shadow: 0 0 10px rgba(248, 113, 113, .6); }

/* ---------- VIP 套餐卡 ---------- */
.plan-card {
    border-radius: 14px !important;
    position: relative;
    overflow: hidden;
}
.plan-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0; left: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #22d3ee, #4f8cff, transparent);
    opacity: .8;
}
.plan-card:hover {
    border-color: rgba(34, 211, 238, .55) !important;
    box-shadow: 0 0 26px rgba(34, 211, 238, .28) !important;
    transform: translateY(-3px);
}
.plan-card .plan-price { color: #67e8f9; text-shadow: 0 0 14px rgba(34, 211, 238, .55); }
.plan-hot { background: linear-gradient(135deg, #f59e0b, #ef4444); box-shadow: 0 0 14px rgba(245, 158, 11, .55); }
.pay-methods label {
    background: rgba(14, 22, 42, .8);
    border: 1px solid rgba(94, 140, 255, .25);
    border-radius: 10px;
    color: #cdd9f5;
    transition: all .2s ease;
}
.pay-methods label:hover, .pay-methods label.on { border-color: rgba(34, 211, 238, .7); box-shadow: 0 0 14px rgba(34, 211, 238, .25); color: #fff; }

/* ---------- 登录/注册卡片 ---------- */
.auth-box {
    background: rgba(15, 23, 44, .88) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(94, 140, 255, .28);
    border-radius: 16px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, .6), 0 0 50px rgba(34, 211, 238, .10);
    position: relative;
    overflow: hidden;
}
.auth-box::before {
    content: '';
    position: absolute;
    top: 0; right: 0; left: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #22d3ee, #4f8cff, transparent);
}
.auth-box h2 { color: #fff; text-align: center; text-shadow: 0 0 16px rgba(34, 211, 238, .5); }

/* ---------- 页脚 ---------- */
.footer {
    background: rgba(8, 13, 27, .8);
    border-top: 1px solid rgba(94, 140, 255, .16);
    color: #7488b4;
}
.footer-line { color: #7488b4; }

/* ---------- 布局列表/方案 ---------- */
.layout-item { border-radius: 10px !important; }
.layout-item:hover { border-color: rgba(34, 211, 238, .5) !important; box-shadow: 0 0 16px rgba(34, 211, 238, .2); }
.layout-opts a { color: #67e8f9; }
.layout-opts a:hover { text-shadow: 0 0 10px rgba(34, 211, 238, .7); }

/* ---------- 广告盒 ---------- */
.ad-box {
    background: rgba(14, 22, 42, .55);
    border: 1px dashed rgba(94, 140, 255, .25);
    border-radius: 8px;
}

/* ---------- 其他杂项 ---------- */
.empty-tip { color: #7488b4; }
.opt-label { color: #b6c6ea; }
.opt-row input[type=number]:disabled, .opt-row input[type=checkbox]:disabled, .inp-mm:disabled {
    opacity: .4;
    filter: grayscale(.6);
}
.disabled-row { opacity: .55; }
.wm-mark { color: rgba(128, 128, 128, .5); }
.tabs a {
    color: #a9bbdf;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 5px 12px;
    transition: all .2s ease;
}
.tabs a:hover, .tabs a.on {
    color: #fff;
    border-color: rgba(34, 211, 238, .45);
    background: rgba(34, 211, 238, .08);
    box-shadow: 0 0 12px rgba(34, 211, 238, .2);
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: rgba(10, 17, 34, .8); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(34, 211, 238, .5), rgba(79, 140, 255, .5));
    border-radius: 6px;
    border: 2px solid rgba(10, 17, 34, .9);
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #22d3ee, #4f8cff); }

/* ---------- 适配手机(浅色原生控件强制深色) ---------- */
input, select, textarea { color-scheme: dark; }

/* ============================================================
   v1.3.4 布局优化段 —— 更合理的版面比例与信息密度
   ============================================================ */

/* ---------- 首页两栏比例: 左栏收窄, 右栏(设置+预览)更宽 ---------- */
.grid-main > .panel:first-child { flex: 0 0 380px; }

/* ---------- 纸张卡片: 更紧凑信息密度 ---------- */
.paper-select .paper-card { padding: 7px 9px; }
.paper-card .pname { font-size: 12.5px; }
.paper-card .psize { font-size: 10.5px; letter-spacing: .2px; }

/* ---------- 上传区: 减小留白, 视觉更聚焦 ---------- */
.dropzone { padding: 22px 12px; }
.dz-inner .dz-main { font-size: 15px; }
.dz-inner span { font-size: 11.5px; }

/* ---------- 步骤标题: 编号徽章强化流程感 ---------- */
.panel h2 {
    display: flex;
    align-items: center;
    font-size: 14.5px;
}
.panel h2 .step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px; height: 22px;
    margin-right: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0891b2, #4f46e5);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 0 12px rgba(34, 211, 238, .5);
    flex-shrink: 0;
}
/* 原有 h2::before 方块与步骤徽章共存: 仅在无 step-no 时保留 */
.panel h2::before {
    content: '';
    display: inline-block;
    width: 4px; height: 14px;
    margin-right: 8px;
    border-radius: 2px;
    vertical-align: -2px;
    background: linear-gradient(180deg, #22d3ee, #4f8cff);
    box-shadow: 0 0 8px rgba(34, 211, 238, .8);
}
.panel h2.step-title::before { display: none; }

/* ---------- 排版设置: 行距收紧, 长内容自动折行 ---------- */
.opt-row { margin-bottom: 8px; }
.opt-label { min-width: 82px; font-size: 12.5px; }
.opt-row label { font-size: 12.5px; }
.inp-mm { width: 56px; }
.opt-actions { margin: 12px 0 2px; }
.opt-actions .btn { min-width: 104px; }

/* ---------- 照片清单: 高度平衡, 避免挤压预览 ---------- */
.photo-list { max-height: 380px; }
.photo-item { padding: 7px; }
.photo-item .ph-img { width: 46px; height: 46px; }

/* ---------- 预览区: 更高可视区 ---------- */
.preview-area { max-height: 760px; min-height: 200px; padding: 16px; }

/* ---------- 会员套餐卡: 更舒展的间距 ---------- */
.plan-card { padding: 24px 18px; }
.plan-price { font-size: 32px; }
.plan-desc { min-height: 40px; }

/* ---------- 我的中心: 列表与表格呼吸感 ---------- */
.layout-item { padding: 12px 14px; }
.tabs a { padding: 9px 18px; }

/* ---------- 顶栏: 导航间距与视觉层级 ---------- */
.nav a { letter-spacing: .3px; }
.topbar-user .uname { color: #e6eeff; }

/* ---------- 页头: 标题与副标题间距 ---------- */
.page-head { margin-bottom: 14px; }
.page-head h1 { font-size: 24px; }
.page-head .sub { font-size: 13px; }

/* ---------- 移动端: 左栏全宽, 纸卡保持2列 ---------- */
@media (max-width: 980px) {
    .grid-main > .panel:first-child { flex-basis: auto; }
    .paper-select .paper-card { flex: 0 0 calc(50% - 4px); }
    .preview-area { max-height: 560px; }
}