@charset "utf-8";
/* ============================================================
   tools/css/pic.css —— 图片格式转换与压缩工具（电脑版）
   单招升学网 · 工具箱
   颜色取自主站 xiangzhe.css，改主题只动下面这段 :root
   ============================================================ */

:root {
    --ink: #0E2A47;
    --ink2: #173E63;
    --org: #F2600C;
    --org2: #FF7A18;
    --orgbg: #FFF4EA;
    --orgln: #FFD9BC;
    --green: #0E8F5B;
    --greenbg: #EAF7F1;
    --blue: #2B6CB0;
    --bluebg: #EDF4FC;
    --red: #D64545;
    --txt: #1B2430;
    --sub: #6C7785;
    --line: #E6EAF0;
    --bg: #F4F6F9;
    --r: 12px;
    --sh: 0 1px 2px rgba(14, 42, 71, .05);
    --sh2: 0 10px 30px rgba(14, 42, 71, .09);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font: 14px/1.7 "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    color: var(--txt);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { margin: 0; font-weight: 700; }
p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--org); }
img { display: block; max-width: 100%; border: 0; }
table { border-collapse: collapse; width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: 14px; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
[hidden] { display: none !important; }

.sr-only {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap;
}
.skip { position: absolute; left: -9999px; top: 0; z-index: 99; background: #fff; color: var(--org); padding: 8px 14px; border-radius: 0 0 8px 0; }
.skip:focus { left: 0; }

.wrap { width: 1200px; margin: 0 auto; }

/* ============ 顶部细条 ============ */
.top { background: #EDF1F6; border-bottom: 1px solid #E1E7EE; font-size: 13px; color: #55636F; }
.top .wrap { display: flex; align-items: center; height: 38px; gap: 20px; }
.top strong { color: var(--ink); }
.top .dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--green); margin-right: 6px; vertical-align: 1px; }
.top-r { margin-left: auto; display: flex; gap: 18px; }
.top-r a { color: var(--blue); }
.top-r a:hover { color: var(--org); }

/* ============ 页头 ============ */
.head { background: #fff; border-bottom: 1px solid var(--line); }
.head-in { display: flex; align-items: center; gap: 40px; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand-mark {
    width: 38px; height: 38px; flex: none; border-radius: 10px;
    background: linear-gradient(135deg, var(--org2), var(--org));
    color: #fff; font-size: 20px; font-weight: 700; line-height: 38px; text-align: center;
    box-shadow: 0 4px 10px rgba(242, 96, 12, .28);
}
.brand-txt b { display: block; font-size: 19px; color: var(--ink); letter-spacing: .5px; line-height: 1.25; }
.brand-txt i { display: block; font-style: normal; font-size: 12px; color: var(--sub); letter-spacing: 2px; }
.head-nav { display: flex; align-items: center; gap: 26px; font-size: 15px; }
.head-nav a { color: #3D4A59; position: relative; padding: 4px 0; }
.head-nav a:hover { color: var(--org); }
.head-nav a.cur { color: var(--org); font-weight: 700; }
.head-nav a.cur::after {
    content: ""; position: absolute; left: 50%; bottom: -6px; width: 22px; height: 3px;
    margin-left: -11px; border-radius: 2px; background: var(--org);
}
.head-act { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.head-m { font-size: 13px; color: var(--blue); border: 1px solid #D5E4F5; border-radius: 16px; padding: 5px 14px; background: var(--bluebg); }
.head-m:hover { color: #fff; background: var(--blue); border-color: var(--blue); }

/* ============ 首屏 ============ */
.hero { background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFD 100%); border-bottom: 1px solid var(--line); padding: 34px 0 30px; }
.hero h1 { font-size: 30px; color: var(--ink); letter-spacing: .5px; }
.hero h1 em { font-style: normal; color: var(--org); }
.hero .sub { margin-top: 12px; font-size: 15px; color: #55636F; line-height: 1.85; max-width: 900px; }
.hero .sub b { color: var(--ink2); }
.badges { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 10px; }
.badges span {
    display: inline-flex; align-items: center; gap: 6px;
    height: 30px; padding: 0 14px; border-radius: 15px;
    background: #fff; border: 1px solid var(--line); font-size: 13px; color: #40505F;
}
.badges i { font-style: normal; width: 16px; height: 16px; border-radius: 50%; background: var(--greenbg); color: var(--green); font-size: 11px; line-height: 16px; text-align: center; font-weight: 700; }

/* ============ 通用卡片 ============ */
main { padding: 22px 0 40px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh); margin-bottom: 16px; }
.card-hd { display: flex; align-items: center; gap: 12px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.card-hd h2 { font-size: 17px; color: var(--ink); }
.card-hd .step {
    width: 22px; height: 22px; flex: none; border-radius: 50%; background: var(--org); color: #fff;
    font-size: 12px; font-weight: 700; line-height: 22px; text-align: center;
}
.card-hd .tip { margin-left: auto; font-size: 13px; color: var(--sub); font-weight: 400; }
.card-bd { padding: 20px 22px; }

/* ============ 上传区 ============ */
.drop {
    position: relative; border: 2px dashed #CBD6E2; border-radius: var(--r);
    background: #FAFCFE; padding: 34px 24px; text-align: center; transition: .18s;
    cursor: pointer;
}
.drop:hover { border-color: var(--org2); background: #FFFCF9; }
.drop.over { border-color: var(--org); background: var(--orgbg); transform: scale(1.004); }
.drop-ico { width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 18px; background: var(--orgbg); display: flex; align-items: center; justify-content: center; }
.drop-ico svg { width: 32px; height: 32px; stroke: var(--org); }
.drop h3 { font-size: 18px; color: var(--ink); }
.drop p { margin-top: 8px; color: var(--sub); font-size: 13.5px; }
.drop-btns { margin-top: 18px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.drop-privacy { margin-top: 16px; font-size: 12.5px; color: var(--green); background: var(--greenbg); display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 14px; }

/* ============ 按钮 ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    height: 40px; padding: 0 20px; border-radius: 9px; font-size: 14.5px; font-weight: 700;
    border: 1px solid transparent; transition: .16s; white-space: nowrap; line-height: 1;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: linear-gradient(180deg, var(--org2), var(--org)); color: #fff; box-shadow: 0 4px 12px rgba(242, 96, 12, .25); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-primary:disabled { background: #E4E9EF; color: #A2ACB8; box-shadow: none; cursor: not-allowed; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #245C97; }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: #0B7A4D; }
.btn-line { background: #fff; border-color: #D3DDE8; color: #33465A; }
.btn-line:hover { border-color: var(--org); color: var(--org); }
.btn-ghost { color: var(--blue); }
.btn-ghost:hover { background: var(--bluebg); }
.btn-sm { height: 32px; padding: 0 13px; font-size: 13px; border-radius: 7px; font-weight: 400; }
.btn-icon { width: 32px; height: 32px; padding: 0; border-radius: 7px; border: 1px solid var(--line); background: #fff; color: #6C7785; }
.btn-icon:hover { border-color: var(--org); color: var(--org); }
.btn-icon svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.btn-icon.danger:hover { border-color: var(--red); color: var(--red); }

/* ============ 参数面板 ============ */
.presets { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 22px; background: #FBFDFF; border-bottom: 1px solid var(--line); }
.presets b { font-size: 13px; color: var(--sub); font-weight: 400; }
.chip {
    height: 30px; padding: 0 15px; border-radius: 15px; border: 1px solid #D3DDE8; background: #fff;
    font-size: 13px; color: #40505F; transition: .15s;
}
.chip:hover { border-color: var(--org2); color: var(--org); }
.chip.on { background: var(--orgbg); border-color: var(--orgln); color: var(--org); font-weight: 700; }
.chip.dis { opacity: .45; cursor: not-allowed; }

.opt-grid { display: grid; grid-template-columns: 1fr 1fr 1.5fr; gap: 0; }
.opt-col { padding: 20px 22px; border-right: 1px solid var(--line); }
.opt-col:last-child { border-right: 0; }
.opt-t { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.opt-t i { font-style: normal; font-size: 12px; color: var(--sub); font-weight: 400; }

.fld { margin-bottom: 16px; }
.fld:last-child { margin-bottom: 0; }
/* 注意：这里要排除 .sw，否则 display:block 会把开关的 flex 布局顶掉，文字会被挡在滑块下面 */
.fld > label:not(.sw), .fld .lb { display: block; font-size: 13px; color: #5B6672; margin-bottom: 7px; }
.fld .lb span { color: var(--sub); }
.sel {
    width: 100%; height: 38px; padding: 0 32px 0 12px; border: 1px solid #D3DDE8; border-radius: 8px;
    background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5L6 8.5l4-4' fill='none' stroke='%236C7785' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 11px center/12px 12px;
    appearance: none; -webkit-appearance: none;
}
.sel:focus { outline: 0; border-color: var(--org); box-shadow: 0 0 0 3px rgba(242, 96, 12, .1); }
.num {
    width: 100%; height: 38px; padding: 0 12px; border: 1px solid #D3DDE8; border-radius: 8px;
    background: #fff;
}
.num:focus { outline: 0; border-color: var(--org); box-shadow: 0 0 0 3px rgba(242, 96, 12, .1); }
.num:disabled, .sel:disabled { background: #F4F6F9; color: #9AA4B1; }
.hint { font-size: 12px; color: #9AA4B1; line-height: 1.7; margin-top: 6px; }
.unit { font-size: 13px; color: #6C7785; flex: none; }

/* 分段选择 */
.seg { display: flex; background: #F1F4F8; border-radius: 9px; padding: 3px; gap: 3px; }
.seg label { flex: 1; text-align: center; }
.seg input { position: absolute; opacity: 0; width: 0; height: 0; }
.seg span {
    display: block; height: 30px; line-height: 30px; border-radius: 7px; font-size: 13px; color: #5B6672;
    transition: .15s; cursor: pointer; white-space: nowrap;
}
.seg input:checked + span { background: #fff; color: var(--org); font-weight: 700; box-shadow: 0 1px 3px rgba(14, 42, 71, .12); }
.seg input:focus-visible + span { outline: 2px solid var(--org); outline-offset: -2px; }

/* 滑杆 */
.slider-row { display: flex; align-items: center; gap: 12px; }
input[type=range] {
    -webkit-appearance: none; appearance: none; flex: 1; height: 5px; border-radius: 3px;
    background: linear-gradient(90deg, var(--org) var(--p, 82%), #E3E9EF var(--p, 82%));
    outline: 0;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 17px; height: 17px; border-radius: 50%; background: #fff;
    border: 3px solid var(--org); box-shadow: 0 1px 4px rgba(14, 42, 71, .25); cursor: pointer;
}
input[type=range]::-moz-range-thumb {
    width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--org); cursor: pointer;
}
input[type=range]:disabled { opacity: .45; }
.slider-val { width: 52px; text-align: right; font-size: 14px; font-weight: 700; color: var(--org); }
.slider-val.off { color: #9AA4B1; }

/* 开关 */
.sw { display: flex; align-items: flex-start; gap: 9px; cursor: pointer; font-size: 13px; color: #5B6672; line-height: 1.5; }
.sw input { position: absolute; opacity: 0; width: 0; height: 0; }
.sw .track { flex: none; margin-top: 2px; width: 38px; height: 21px; border-radius: 11px; background: #D3DDE8; position: relative; transition: .18s; }
.sw .track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 17px; height: 17px; border-radius: 50%; background: #fff; transition: .18s; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.sw input:checked + .track { background: var(--org); }
.sw input:checked + .track::after { left: 19px; }
.sw input:focus-visible + .track { outline: 2px solid var(--org); outline-offset: 2px; }
.sw b { color: var(--ink); font-weight: 700; }
.sw small { display: block; color: #9AA4B1; font-size: 12px; }

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.mt10 { margin-top: 10px; }
.color-row { display: flex; align-items: center; gap: 10px; }
input[type=color] { width: 42px; height: 34px; padding: 2px; border: 1px solid #D3DDE8; border-radius: 7px; background: #fff; cursor: pointer; }

/* ============ 进度与操作条 ============ */
.actbar {
    position: sticky; bottom: 0; z-index: 30;
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
    padding: 14px 22px; background: rgba(255, 255, 255, .96); backdrop-filter: blur(6px);
    border-top: 1px solid var(--line); border-radius: 0 0 var(--r) var(--r);
}
.actbar .grow { flex: 1; min-width: 200px; }
.bar { height: 6px; border-radius: 3px; background: #E9EEF4; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg, var(--org2), var(--org)); transition: width .2s; }
.bar-txt { margin-top: 7px; font-size: 12.5px; color: var(--sub); display: flex; align-items: center; gap: 8px; }
.bar-txt b { color: var(--ink2); }

.totals { display: flex; align-items: center; gap: 22px; font-size: 13px; color: var(--sub); }
.totals b { display: block; font-size: 17px; color: var(--ink); }
.totals .save b { color: var(--green); }
.stale {
    display: none; align-items: center; gap: 8px; font-size: 13px; color: #B25300;
    background: #FFF7E8; border: 1px solid #FBE3BC; border-radius: 8px; padding: 6px 12px;
}
.stale.on { display: inline-flex; }

/* ============ 结果区 ============ */
.res-ops { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px 22px; border-bottom: 1px solid var(--line); background: #FCFDFE; }
.res-ops .cnt { font-size: 13px; color: var(--sub); }
.res-ops .cnt b { color: var(--ink); }
.res-ops .right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding: 18px 22px 22px; }
.item {
    border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff;
    display: flex; flex-direction: column; transition: .15s; position: relative;
}
.item:hover { border-color: #CDDCEA; box-shadow: 0 6px 18px rgba(14, 42, 71, .08); }
.item.bad { border-color: #F3D2D2; background: #FFFBFB; }
/* 透明底色棋盘格 */
.thumb {
    position: relative; height: 132px; cursor: zoom-in; overflow: hidden;
    background-color: #fff;
    background-image:
        linear-gradient(45deg, #EEF2F6 25%, transparent 25%, transparent 75%, #EEF2F6 75%),
        linear-gradient(45deg, #EEF2F6 25%, transparent 25%, transparent 75%, #EEF2F6 75%);
    background-size: 16px 16px;
    background-position: 0 0, 8px 8px;
}
.thumb img { width: 100%; height: 100%; object-fit: contain; }
.badge-fmt {
    position: absolute; left: 8px; top: 8px; height: 20px; line-height: 20px; padding: 0 7px;
    border-radius: 5px; background: rgba(14, 42, 71, .78); color: #fff; font-size: 11px; letter-spacing: .5px;
}
.badge-new { position: absolute; right: 8px; top: 8px; height: 20px; line-height: 20px; padding: 0 8px; border-radius: 5px; background: var(--org); color: #fff; font-size: 11px; font-weight: 700; }
.pick { position: absolute; left: 8px; bottom: 8px; }
.pick input { position: absolute; opacity: 0; width: 0; height: 0; }
.pick span {
    display: block; width: 20px; height: 20px; border-radius: 5px; border: 2px solid #fff;
    background: rgba(255,255,255,.75); box-shadow: 0 1px 4px rgba(0,0,0,.2); cursor: pointer; position: relative;
}
.pick input:checked + span { background: var(--org); }
.pick input:checked + span::after {
    content: ""; position: absolute; left: 5px; top: 1px; width: 5px; height: 10px;
    border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(42deg);
}
.item-bd { padding: 11px 12px 12px; flex: 1; display: flex; flex-direction: column; }
.item-name { font-size: 13px; color: var(--ink); font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-note { margin-top: 6px; font-size: 11.5px; color: #B25300; background: #FFF7E8; border-radius: 5px; padding: 4px 7px; line-height: 1.5; }
.item-note.err { color: var(--red); background: #FDF1F1; }
.item-meta { margin-top: 8px; font-size: 12.5px; color: var(--sub); line-height: 1.85; }
.item-meta .k { color: #9AA4B1; }
.item-size { margin-top: 4px; font-size: 12.5px; color: var(--sub); }
.item-size s { color: #9AA4B1; }
.item-size em { font-style: normal; font-weight: 700; color: var(--ink2); }
.item-size .pct { color: var(--green); font-weight: 700; }
.item-size .pct.up { color: var(--red); }
.item-ft { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); display: flex; gap: 7px; align-items: center; }
.item-ft .btn-sm { flex: 1; }
.item-ft .btn-icon { flex: none; }

/* 空状态 */
.empty { padding: 46px 22px; text-align: center; color: var(--sub); }
.empty svg { width: 54px; height: 54px; stroke: #C9D4E0; margin: 0 auto 12px; }

/* ============ 放大对比 ============ */
.lightbox {
    position: fixed; inset: 0; z-index: 200; background: rgba(9, 20, 33, .88);
    display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 24px 24px;
}
.lb-close {
    position: absolute; right: 20px; top: 18px; width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,.14); color: #fff; font-size: 20px; line-height: 40px; text-align: center;
}
.lb-close:hover { background: rgba(255,255,255,.26); }
.lb-stage { width: 100%; max-width: 1080px; height: 62vh; display: flex; gap: 16px; }
.lb-box { flex: 1; background: #16232F; border-radius: 10px; overflow: hidden; position: relative; display: flex; align-items: center; justify-content: center; }
.lb-box img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lb-box .tag { position: absolute; left: 12px; top: 12px; background: rgba(0,0,0,.55); color: #fff; font-size: 12px; padding: 3px 10px; border-radius: 12px; }
.lb-info { margin-top: 14px; color: #C7D3DF; font-size: 13.5px; text-align: center; line-height: 1.9; max-width: 900px; }
.lb-info b { color: #fff; }
.lb-info em { font-style: normal; color: #46D89B; font-weight: 700; }
.lb-ft { margin-top: 14px; display: flex; gap: 12px; }

/* ============ 提示条 ============ */
.toasts { position: fixed; right: 22px; bottom: 26px; z-index: 300; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.toast {
    background: #16232F; color: #fff; font-size: 13.5px; padding: 11px 18px; border-radius: 9px;
    box-shadow: 0 8px 24px rgba(0,0,0,.25); animation: tin .22s ease-out; max-width: 380px;
}
.toast.ok { background: var(--green); }
.toast.warn { background: #C77A0A; }
.toast.err { background: #C0392B; }
@keyframes tin { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ============ 正文内容（SEO 区） ============ */
.sec { background: #fff; border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh); margin-bottom: 16px; padding: 26px 30px; }
.sec > h2 { font-size: 20px; color: var(--ink); margin-bottom: 6px; }
.sec > h2 em { font-style: normal; color: var(--org); }
.sec .lead { color: var(--sub); font-size: 13.5px; margin-bottom: 18px; }
.sec h3 { font-size: 15.5px; color: var(--ink2); margin-bottom: 8px; }
.sec p { color: #3E4A57; font-size: 14.5px; line-height: 2; margin-bottom: 14px; }
.sec p:last-child { margin-bottom: 0; }
.sec a.inl { color: var(--blue); border-bottom: 1px solid #C6DCF3; }
.sec a.inl:hover { color: var(--org); border-color: var(--orgln); }

.feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat-i { border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; background: #FCFDFF; border-top: 3px solid var(--blue); }
.feat-i.o { border-top-color: var(--org); }
.feat-i.g { border-top-color: var(--green); }
.feat-i h3 { font-size: 15.5px; margin-bottom: 7px; }
.feat-i p { font-size: 13.5px; line-height: 1.85; color: #5B6672; margin: 0; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: st; }
.steps li { position: relative; padding: 18px 18px 18px 20px; border: 1px solid var(--line); border-radius: 10px; background: #FCFDFF; }
.steps li::before {
    counter-increment: st; content: counter(st);
    position: absolute; right: 14px; top: 12px; font-size: 30px; font-weight: 700; color: #EDF2F8; line-height: 1;
}
.steps h3 { font-size: 15px; margin-bottom: 6px; }
.steps p { font-size: 13.5px; color: #5B6672; line-height: 1.85; margin: 0; }

.tbl { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-bottom: 6px; }
.tbl th, .tbl td { padding: 11px 16px; text-align: left; font-size: 13.5px; border-bottom: 1px solid var(--line); }
.tbl th { background: #F7FAFD; color: var(--ink2); font-weight: 700; white-space: nowrap; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td.y { color: var(--green); font-weight: 700; }
.tbl td.n { color: #B0B9C4; }

.faq dt { font-size: 15px; color: var(--ink); font-weight: 700; padding: 15px 0 8px; border-top: 1px dashed var(--line); }
.faq dt:first-child { border-top: 0; padding-top: 0; }
.faq dt::before { content: "Q "; color: var(--org); }
.faq dd { font-size: 14px; color: #4A5764; line-height: 2; padding-bottom: 4px; }
.faq dd b { color: var(--ink2); }

.links { display: flex; flex-wrap: wrap; gap: 10px; }
.links a {
    display: inline-block; padding: 7px 15px; border: 1px solid var(--line); border-radius: 18px;
    font-size: 13.5px; color: #40505F; background: #FCFDFF;
}
.links a:hover { border-color: var(--org); color: var(--org); background: var(--orgbg); }

.privacy { display: flex; gap: 18px; align-items: flex-start; background: var(--greenbg); border: 1px solid #CFE9DE; border-radius: 10px; padding: 20px 22px; }
.privacy .ico { flex: none; width: 46px; height: 46px; border-radius: 12px; background: #fff; display: flex; align-items: center; justify-content: center; }
.privacy .ico svg { width: 24px; height: 24px; stroke: var(--green); fill: none; stroke-width: 1.7; }
.privacy h3 { color: #0A6B45; font-size: 16px; margin-bottom: 6px; }
.privacy p { color: #235C45; font-size: 13.5px; line-height: 1.95; margin: 0; }
.privacy code { background: #fff; border-radius: 4px; padding: 1px 6px; font-size: 12.5px; color: #0A6B45; }

/* ============ 页脚 ============ */
.foot { background: #0E2A47; color: #93A5B8; padding: 28px 0; font-size: 13px; }
.foot-in { display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; }
.foot a { color: #B9C7D6; }
.foot a:hover { color: var(--org2); }
.foot .cp { margin-left: auto; color: #7B8FA3; }

/* ============ 窄屏电脑 / 平板 ============ */
@media (max-width: 1250px) {
    .wrap { width: 96%; }
    .grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1080px) {
    .opt-grid { grid-template-columns: 1fr 1fr; }
    .opt-col { border-right: 0; border-bottom: 1px solid var(--line); }
    .opt-col:nth-child(2) { border-right: 0; }
    .opt-col:last-child { grid-column: 1 / -1; border-bottom: 0; }
    .head-nav { display: none; }
    .feat, .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
    .lb-stage { height: auto; flex-direction: column; }
    .lb-box { height: 34vh; }
}