/* ==========================================================================
   论文服务 · 在线接单（/lunwen/）模块样式
   复用全站变量：--accent / --surface / --line / --text / --muted / --radius
   ========================================================================== */

/* hidden 属性一定要压过下面的 display: grid / flex，
   否则「提交成功」弹窗会一进页面就显示出来（踩过这个坑） */
[hidden] { display: none !important; }

/* ---------- Hero ---------- */
.pw-hero { position: relative; padding: 66px 0 14px; overflow: hidden; }
.pw-hero-in { max-width: 900px; }
.pw-tag {
    display: inline-flex; align-items: center; gap: 8px; padding: 7px 15px; border-radius: 999px;
    font-size: 12.5px; letter-spacing: .8px; color: var(--accent);
    background: var(--accent-soft); border: 1px solid var(--accent-line);
}
.pw-tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.pw-hero h1 { font-size: clamp(30px, 4.6vw, 48px); line-height: 1.18; margin: 20px 0 0; font-weight: 800; letter-spacing: -.5px; }
.pw-hero h1 .grad {
    display: block; margin-top: 8px; font-size: .56em; letter-spacing: 0;
    background: linear-gradient(100deg, var(--accent-3), var(--accent) 45%, var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pw-sub { font-size: clamp(13.5px, 1.6vw, 15.5px); color: var(--text-2); margin: 16px 0 0; max-width: 700px; line-height: 1.9; }

.pw-quick { display: flex; gap: 30px; margin-top: 26px; flex-wrap: wrap; }
.pw-qbtn { display: flex; flex-direction: column; text-decoration: none; }
.pw-qbtn b {
    font-size: 24px; font-weight: 800; letter-spacing: -.5px;
    background: linear-gradient(135deg, var(--accent-3), var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pw-qbtn span { font-size: 12.5px; color: var(--muted); }
.pw-qbtn:hover span { color: var(--accent); }

.pw-anchors { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }

/* ---------- 服务卡片 ---------- */
.pw-group { margin-bottom: 30px; }
.pw-group-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.pw-gico {
    width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; font-size: 19px;
    background: var(--accent-soft); border: 1px solid var(--accent-line);
}
.pw-group-head h3 { font-size: 17px; margin: 0; letter-spacing: .3px; }
.pw-gn { font-size: 12px; color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line); padding: 1px 9px; border-radius: 99px; }
.pw-gdesc { font-size: 12.5px; color: var(--muted); flex: 1 1 200px; }

.pw-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(292px, 1fr)); gap: 14px; }
.pw-svc {
    position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 10px;
    padding: 17px 17px 14px; border-radius: var(--radius-lg); border: 1px solid var(--line);
    background: var(--surface); transition: transform .25s cubic-bezier(.2,.8,.2,1), border-color .25s, box-shadow .25s;
}
.pw-svc::before {
    content: ""; position: absolute; inset: 0; opacity: 0; pointer-events: none;
    background: radial-gradient(300px circle at 100% 0%, var(--accent-soft), transparent 62%);
    transition: opacity .3s;
}
.pw-svc:hover { transform: translateY(-5px); border-color: var(--accent-line); box-shadow: 0 18px 40px var(--glow); }
.pw-svc:hover::before { opacity: 1; }
.pw-svc > * { position: relative; z-index: 1; }
.pw-svc-top { display: flex; align-items: flex-start; gap: 11px; }
.pw-cico {
    width: 40px; height: 40px; flex: none; border-radius: 12px; display: grid; place-items: center; font-size: 19px;
    background: var(--surface-2, rgba(255,255,255,.06)); border: 1px solid var(--line);
}
.pw-svc-title { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.pw-cname { font-size: 15px; font-weight: 700; line-height: 1.4; }
.pw-svc:hover .pw-cname { color: var(--accent); }
.pw-ctags { display: flex; gap: 5px; flex-wrap: wrap; }
.pw-ctags i { font-style: normal; font-size: 11px; padding: 1px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-line); }
.pw-cdesc { font-size: 12.5px; color: var(--muted); line-height: 1.75; margin: 0; flex: 1; }
.pw-svc-foot {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    padding-top: 12px; border-top: 1px dashed var(--line); margin-top: auto;
}
.pw-price { display: flex; align-items: baseline; gap: 3px; }
.pw-price b {
    font-size: 19px; font-weight: 800;
    background: linear-gradient(135deg, var(--accent-3), var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pw-price em { font-style: normal; font-size: 12px; color: var(--muted); }
.pw-days { font-size: 12px; color: var(--text-2); }
.pw-pick {
    margin-left: auto; height: 32px; padding: 0 14px; border-radius: 9px; font-size: 13px; font-family: inherit;
    border: 1px solid var(--accent-line); background: var(--accent-soft); color: var(--accent); cursor: pointer;
    transition: all .18s; white-space: nowrap;
}
.pw-pick:hover { background: linear-gradient(135deg, var(--accent-3), var(--accent-2)); color: #23160a; border-color: transparent; }

/* ---------- 下单区 ---------- */
.pw-order { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: 20px; align-items: start; }
@media (max-width: 920px) { .pw-order { grid-template-columns: 1fr; } }

.pw-form {
    display: flex; flex-direction: column; gap: 14px;
    padding: 22px; border-radius: var(--radius-lg);
    background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.pw-fld { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.pw-fld > span { font-size: 12.5px; color: var(--text-2); }
.pw-fld > span i { font-style: normal; color: #ff6b6b; }
.pw-fld input, .pw-fld select, .pw-fld textarea {
    width: 100%; border-radius: 11px; border: 1px solid var(--line);
    background: var(--surface-2, rgba(255,255,255,.06)); color: var(--text);
    padding: 10px 12px; font: inherit; font-size: 14px; outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.pw-fld input, .pw-fld select { height: 42px; }
.pw-fld textarea { line-height: 1.75; resize: vertical; }
.pw-fld input:focus, .pw-fld select:focus, .pw-fld textarea:focus {
    border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft);
}
.pw-fld select option, .pw-fld select optgroup { color: #1a1a1a; }
.pw-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 620px) { .pw-row2 { grid-template-columns: 1fr; } }
.pw-tip { font-size: 11.5px; color: var(--muted); line-height: 1.75; margin: 0; }

.pw-submit { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.pw-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 46px; padding: 0 24px; border-radius: 13px; border: 0; cursor: pointer;
    font: inherit; font-size: 15px; font-weight: 700; color: #23160a;
    background: linear-gradient(135deg, var(--accent-3), var(--accent) 50%, var(--accent-2));
    box-shadow: 0 12px 26px var(--glow); transition: transform .18s, filter .18s; text-decoration: none;
}
.pw-btn:hover { transform: translateY(-2px); filter: brightness(1.04); text-decoration: none; }
.pw-btn.ghost { background: var(--surface-2, rgba(255,255,255,.08)); color: var(--text); box-shadow: none; border: 1px solid var(--line); font-weight: 600; }
.pw-btn.ghost:hover { color: var(--accent); border-color: var(--accent-line); }
.pw-btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

/* 侧栏说明 */
.pw-side { display: flex; flex-direction: column; gap: 14px; }
.pw-side-card {
    padding: 18px; border-radius: var(--radius-lg); border: 1px solid var(--line);
    background: var(--surface); font-size: 13px; color: var(--text-2);
}
.pw-side-card.hot { border-color: var(--accent-line); background: var(--accent-soft); }
.pw-side-card b { display: block; font-size: 14px; color: var(--text); margin-bottom: 10px; }
.pw-side-card ol, .pw-side-card ul { margin: 0; padding-left: 20px; }
.pw-side-card li { line-height: 2; }
.pw-side-card li::marker { color: var(--accent); }
.pw-side-card p { margin: 0; }
.pw-side-card a { color: var(--accent); font-weight: 700; }

/* ---------- 流程 ---------- */
/* 订单进度查询 */
.pw-query { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 920px) { .pw-query { grid-template-columns: 1fr; } }
.pw-qres {
    padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--accent-line);
    background: var(--surface); box-shadow: var(--shadow-sm);
}
.pw-qres .q-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.pw-qres .q-no { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; color: var(--muted); }
.pw-qres .q-svc { font-size: 16px; font-weight: 700; }
.pw-qres .q-st {
    font-size: 12.5px; padding: 3px 11px; border-radius: 999px; font-weight: 600;
}
.q-st.s-new    { background: rgba(255,87,34,.14); color: #ff7a45; }
.q-st.s-doing  { background: rgba(245,166,35,.16); color: #ffc35c; }
.q-st.s-done   { background: rgba(1,205,184,.16); color: #34e0cd; }
.q-st.s-cancel { background: rgba(255,255,255,.08); color: var(--muted); }
html[data-theme="light"] .q-st.s-new    { color: #d84315; }
html[data-theme="light"] .q-st.s-doing  { color: #b26a00; }
html[data-theme="light"] .q-st.s-done   { color: #0b8a76; }
.pw-qres .q-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--text-2); margin-bottom: 16px; }
.pw-timeline { list-style: none; margin: 0; padding: 0 0 0 6px; border-left: 2px solid var(--line); }
.pw-timeline li { position: relative; padding: 0 0 16px 18px; }
.pw-timeline li:last-child { padding-bottom: 0; }
.pw-timeline li::before {
    content: ""; position: absolute; left: -7px; top: 5px; width: 11px; height: 11px;
    border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.pw-timeline li:last-child::before { background: var(--accent-2); box-shadow: 0 0 0 4px var(--accent-soft); }
.pw-timeline .t-time { font-size: 12px; color: var(--muted); display: block; margin-bottom: 2px; }
.pw-timeline .t-text { font-size: 13.5px; color: var(--text-2); line-height: 1.7; }
.pw-qerr { color: #ff8a80; font-size: 13.5px; line-height: 1.8; }

.pw-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.pw-step { position: relative; padding: 20px 18px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: var(--surface); }
.pw-step-n {
    font-size: 26px; font-weight: 800; letter-spacing: -1px; display: block; margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent-3), var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pw-step b { font-size: 14.5px; display: block; margin-bottom: 6px; }
.pw-step p { font-size: 12.5px; color: var(--muted); line-height: 1.8; margin: 0; }

/* ---------- FAQ ---------- */
.pw-faq { display: flex; flex-direction: column; gap: 10px; }
.pw-faq details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 14px 18px; transition: border-color .2s; }
.pw-faq details[open] { border-color: var(--accent-line); }
.pw-faq summary { cursor: pointer; font-size: 14px; font-weight: 600; list-style: none; display: flex; align-items: center; gap: 8px; }
.pw-faq summary::-webkit-details-marker { display: none; }
.pw-faq summary::before { content: "＋"; color: var(--accent); font-size: 13px; }
.pw-faq details[open] summary::before { content: "－"; }
.pw-faq p { font-size: 13px; color: var(--text-2); line-height: 1.9; margin: 10px 0 0; }

/* ---------- 提交成功 ---------- */
/* 附件上传 */
.pw-drop {
    border: 1.5px dashed var(--line-2, var(--line)); border-radius: var(--radius);
    background: var(--surface-2, rgba(255,255,255,.04)); padding: 18px 16px;
    text-align: center; cursor: pointer; transition: all .2s;
}
.pw-drop:hover, .pw-drop.over { border-color: var(--accent); background: var(--accent-soft); }
.pw-drop-in b { color: var(--accent); font-size: 14px; }
.pw-drop-in { font-size: 13px; color: var(--text-2); line-height: 1.9; }
.pw-drop-in em { display: block; font-style: normal; font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.pw-files { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.pw-files li {
    display: flex; align-items: center; gap: 9px; font-size: 12.5px;
    padding: 8px 11px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface);
}
.pw-files .f-ico { flex: none; }
.pw-files .f-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-files .f-size { color: var(--muted); flex: none; font-size: 11.5px; }
.pw-files .f-del {
    flex: none; width: 22px; height: 22px; border-radius: 6px; border: 1px solid var(--line);
    background: transparent; color: var(--muted); cursor: pointer; line-height: 1; font-size: 12px;
}
.pw-files .f-del:hover { color: #ff6b6b; border-color: #ff6b6b; }
.pw-progress2 { height: 5px; border-radius: 99px; background: var(--surface-2, #eee); overflow: hidden; margin-top: 9px; display: none; }
.pw-progress2.on { display: block; }
.pw-progress2 i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .2s; }

.pw-done { position: fixed; inset: 0; z-index: 400; background: rgba(4,6,12,.62); display: grid; place-items: center; padding: 20px; backdrop-filter: blur(4px); }
.pw-done-in {
    width: 100%; max-width: 380px; text-align: center; padding: 28px 24px 22px;
    border-radius: 20px; background: var(--surface-solid, #12161f); border: 1px solid var(--accent-line);
    box-shadow: var(--shadow-lg, 0 24px 60px rgba(0,0,0,.5));
}
.pw-done-ico { font-size: 34px; }
.pw-done h3 { margin: 10px 0 8px; font-size: 19px; }
.pw-done p { margin: 0 0 8px; font-size: 14px; color: var(--text-2); }
.pw-done b { color: var(--accent); font-size: 17px; letter-spacing: .5px; }
.pw-done .pw-btn { width: 100%; margin-top: 12px; }

@media (max-width: 640px) {
    .pw-hero { padding: 42px 0 10px; }
    .pw-quick { gap: 20px; }
    .pw-cards { grid-template-columns: 1fr; }
    .pw-form { padding: 16px; }
}