/* TED 精学 — 深色玻璃拟态 */
:root {
  --bg: #0a0c11;
  --bg-2: #12151d;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-2: rgba(255, 255, 255, 0.075);
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);
  --text: #e9ecf3;
  --text-2: #a7aebf;
  --text-3: #6f7789;
  --accent: #ff4a3d;
  --accent-2: #ff8a5b;
  --gold: #ffcf70;
  --green: #4fd1a5;
  --radius: 18px;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  --blur: saturate(150%) blur(22px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(255, 74, 61, 0.16), transparent 60%),
    radial-gradient(900px 560px at 92% 4%, rgba(110, 130, 255, 0.14), transparent 62%),
    radial-gradient(760px 520px at 60% 104%, rgba(79, 209, 165, 0.09), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

a { color: inherit; text-decoration: none; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 22px 80px; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand .mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center;
  font-weight: 800; font-size: 15px; letter-spacing: 0.5px;
  box-shadow: 0 10px 26px rgba(255, 74, 61, 0.36);
}
.brand h1 { font-size: 19px; margin: 0; letter-spacing: 0.4px; }
.brand p { margin: 3px 0 0; font-size: 12.5px; color: var(--text-3); }

.navlinks { display: flex; gap: 8px; }
.navlinks a, .btn {
  padding: 9px 15px;
  border-radius: 11px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.18s ease;
  backdrop-filter: var(--blur);
}
.navlinks a:hover, .btn:hover { background: var(--panel-2); color: var(--text); border-color: var(--line-2); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; border-color: transparent; font-weight: 600;
  box-shadow: 0 10px 26px rgba(255, 74, 61, 0.3);
}
.btn.primary:hover { filter: brightness(1.08); }
.btn.on { background: rgba(255, 74, 61, 0.16); color: #ffb3ad; border-color: rgba(255, 74, 61, 0.35); }

/* ---------- 统计条 ---------- */
.stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.stat {
  flex: 1 1 150px;
  padding: 15px 17px;
  border-radius: 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: var(--blur);
}
.stat b { display: block; font-size: 24px; font-weight: 700; letter-spacing: -0.5px; }
.stat span { font-size: 12px; color: var(--text-3); }

/* ---------- 工具条 ---------- */
.toolbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  padding: 12px 14px;
  margin-bottom: 20px;
  border-radius: 16px;
  background: rgba(16, 19, 26, 0.82);
  border: 1px solid var(--line);
  backdrop-filter: var(--blur);
}
.search {
  flex: 1 1 260px;
  display: flex; align-items: center; gap: 9px;
  padding: 9px 14px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}
.search input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-size: 14px;
}
.search input::placeholder { color: var(--text-3); }
select {
  padding: 9px 12px; border-radius: 11px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  color: var(--text-2); font-size: 13.5px; outline: none;
}

.chips { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 18px; }
.chip {
  padding: 6px 13px; border-radius: 999px; font-size: 12.5px;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--text-2); cursor: pointer; transition: all 0.16s ease;
}
.chip:hover { border-color: var(--line-2); color: var(--text); }
.chip.on { background: rgba(255, 74, 61, 0.18); color: #ffb3ad; border-color: rgba(255, 74, 61, 0.4); }
.chip i { font-style: normal; margin-left: 5px; font-size: 10.5px; opacity: 0.5; }

/* ---------- 筛选区（领域 / 年份） ---------- */
.filterbar {
  display: flex; flex-direction: column; gap: 12px;
  padding: 14px 15px 6px; margin-bottom: 20px;
  border-radius: 16px;
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: var(--blur);
}
.frow { display: flex; gap: 12px; align-items: flex-start; }
.flabel {
  flex: 0 0 30px; padding-top: 7px;
  font-size: 12.5px; color: var(--text-3); letter-spacing: 1px;
}
.filterbar .chips { margin-bottom: 8px; flex: 1; }

/* ---------- 领域标签 ---------- */
.tag.rg {
  color: #9ecbff; background: rgba(74, 158, 255, 0.14);
  border-color: rgba(74, 158, 255, 0.26);
}
.tag.rg.plus {
  color: var(--text-3); background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08); cursor: help;
}

/* ---------- 卡片网格 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(276px, 1fr));
  gap: 15px;
}
.card {
  position: relative;
  padding: 17px 18px 15px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: var(--blur);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  overflow: hidden;
  cursor: pointer;
}
.card::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(340px 140px at 100% 0%, rgba(255, 74, 61, 0.12), transparent 70%);
  opacity: 0; transition: opacity 0.25s ease; pointer-events: none;
}
.card:hover { transform: translateY(-3px); border-color: var(--line-2); background: var(--panel-2); }
.card:hover::after { opacity: 1; }
.card h3 { margin: 0 0 5px; font-size: 15.5px; line-height: 1.4; }
.card .en { font-size: 12px; color: var(--text-3); line-height: 1.45; margin-bottom: 11px; min-height: 32px; }
.card .who { font-size: 12px; color: var(--text-2); }
.card .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 11px; }
.tag {
  font-size: 11px; padding: 3px 8px; border-radius: 7px;
  background: rgba(255, 255, 255, 0.06); color: var(--text-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.tag.hl { color: #ffb3ad; background: rgba(255, 74, 61, 0.13); border-color: rgba(255, 74, 61, 0.22); }
.tag.ok { color: var(--green); background: rgba(79, 209, 165, 0.12); border-color: rgba(79, 209, 165, 0.2); }
.tag.on {
  color: #ffe6a3; background: rgba(255, 190, 74, 0.13);
  border-color: rgba(255, 190, 74, 0.28);
}
.tag.on::before {
  content: ""; display: inline-block; width: 5px; height: 5px; margin-right: 5px;
  border-radius: 99px; background: #ffbe4a; vertical-align: middle;
}

.empty { padding: 70px 0; text-align: center; color: var(--text-3); font-size: 14px; }
.more { display: grid; place-items: center; padding: 26px 0; }
.foot { margin-top: 30px; text-align: center; color: var(--text-3); font-size: 12px; }

/* ---------- 学习页 ---------- */
.study-top {
  padding: 20px 22px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: var(--blur);
  margin-bottom: 16px;
}
.study-top h1 { margin: 0 0 6px; font-size: 22px; line-height: 1.35; }
.study-top .en-title { font-size: 13.5px; color: var(--text-3); margin-bottom: 12px; }
.meta-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; font-size: 12.5px; color: var(--text-2); }

.player {
  position: sticky; top: 0; z-index: 30;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  padding: 11px 14px;
  border-radius: 16px;
  background: rgba(16, 19, 26, 0.86);
  border: 1px solid var(--line);
  backdrop-filter: var(--blur);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.sep { width: 1px; height: 22px; background: var(--line); }
.progress-mini { flex: 1 1 120px; height: 4px; border-radius: 99px; background: rgba(255, 255, 255, 0.09); overflow: hidden; }
.progress-mini i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.25s ease; }
.counter { font-size: 12px; color: var(--text-3); min-width: 78px; text-align: right; font-variant-numeric: tabular-nums; }

.layout { display: grid; grid-template-columns: 1fr 306px; gap: 16px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.sent-list { display: flex; flex-direction: column; gap: 9px; }

.sent {
  display: grid;
  grid-template-columns: 46px 1fr 30px;
  gap: 12px;
  padding: 13px 15px 13px 12px;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.028);
  border: 1px solid rgba(255, 255, 255, 0.055);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.sent:hover { background: rgba(255, 255, 255, 0.055); border-color: var(--line); }
.sent .idx {
  font-size: 11.5px; color: var(--text-3); font-variant-numeric: tabular-nums;
  display: flex; flex-direction: column; align-items: flex-start; gap: 5px;
}
.sent .idx .ts { font-size: 10.5px; color: var(--text-3); opacity: 0.75; }
.sent .en { font-size: 17px; line-height: 1.62; letter-spacing: 0.1px; }
.sent .cn { font-size: 13.5px; color: var(--text-2); line-height: 1.6; margin-top: 6px; }
.sent .fav { font-size: 15px; color: var(--text-3); text-align: center; line-height: 1.2; transition: all 0.16s ease; }
.sent .fav:hover { color: var(--gold); transform: scale(1.12); }
.sent .fav.on { color: var(--gold); }

.sent.active {
  background: linear-gradient(100deg, rgba(255, 74, 61, 0.14), rgba(255, 74, 61, 0.03) 62%, transparent);
  border-color: rgba(255, 74, 61, 0.42);
  box-shadow: 0 0 0 1px rgba(255, 74, 61, 0.14), 0 14px 34px rgba(255, 74, 61, 0.13);
}
.sent.speaking .en { color: #fff; }
.sent.done .idx { color: var(--green); }

body.zh-hidden .sent .cn { display: none; }
body.en-only .sent .cn { display: none; }
body.en-only .sent .en { font-size: 18.5px; }

.word { cursor: pointer; border-radius: 5px; padding: 0 1px; transition: background 0.14s ease, color 0.14s ease; }
.word:hover { background: rgba(255, 207, 112, 0.2); color: var(--gold); }
.word.saved { color: var(--gold); border-bottom: 1px dashed rgba(255, 207, 112, 0.55); }

/* 侧栏 */
.side { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 78px; }
.panel {
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: var(--blur);
  overflow: hidden;
}
.panel h4 {
  margin: 0; padding: 13px 16px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.3px;
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text-2);
}
.panel h4 em { font-style: normal; font-size: 11.5px; color: var(--text-3); }
.panel .body { padding: 12px 14px; max-height: 330px; overflow-y: auto; }
.vrow {
  display: flex; gap: 9px; align-items: baseline;
  padding: 7px 0; border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
  font-size: 12.5px;
}
.vrow:last-child { border-bottom: none; }
.vrow b { color: var(--text); font-weight: 600; }
.vrow i { font-style: normal; color: var(--accent-2); font-size: 11px; }
.vrow span { color: var(--text-2); }
.vrow .add { margin-left: auto; color: var(--text-3); cursor: pointer; }
.vrow .add.on { color: var(--gold); }

.favrow { padding: 9px 0; border-bottom: 1px dashed rgba(255, 255, 255, 0.06); font-size: 12.5px; }
.favrow:last-child { border-bottom: none; }
.favrow .f-en { color: var(--text); line-height: 1.5; }
.favrow .f-cn { color: var(--text-3); margin-top: 3px; }
.favrow .f-del { float: right; color: var(--text-3); cursor: pointer; }

/* 词典浮层 */
.pop {
  position: fixed; z-index: 90; max-width: 300px;
  padding: 13px 15px; border-radius: 14px;
  background: rgba(24, 27, 36, 0.96);
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow);
  backdrop-filter: var(--blur);
  font-size: 13px; line-height: 1.55;
  display: none;
}
.pop .pw { font-size: 16px; font-weight: 700; }
.pop .pp { color: var(--accent-2); font-size: 11.5px; margin-left: 6px; }
.pop .pm { color: var(--text-2); margin-top: 6px; }
.pop .pa { margin-top: 9px; display: flex; gap: 8px; }
.pop .pa button {
  font-size: 11.5px; padding: 5px 10px; border-radius: 8px; cursor: pointer;
  background: rgba(255, 255, 255, 0.07); border: 1px solid var(--line); color: var(--text-2);
}
.pop .pa button:hover { color: var(--text); border-color: var(--line-2); }

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(16px);
  padding: 11px 20px; border-radius: 12px;
  background: rgba(30, 34, 44, 0.96); border: 1px solid var(--line-2);
  color: var(--text); font-size: 13px; opacity: 0; pointer-events: none;
  transition: all 0.24s ease; z-index: 120; backdrop-filter: var(--blur);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.13); border-radius: 9px; }
::-webkit-scrollbar-track { background: transparent; }

/* ================= 解读视图（精讲 / 结构） ================= */
.viewseg { display: flex; gap: 0; border-radius: 11px; overflow: hidden; border: 1px solid var(--line); }
.viewseg button {
  padding: 8px 14px; font-size: 13px; cursor: pointer; border: none;
  background: rgba(255, 255, 255, 0.04); color: var(--text-2); transition: all 0.16s ease;
}
.viewseg button + button { border-left: 1px solid var(--line); }
.viewseg button:hover { color: var(--text); }
.viewseg button.on { background: rgba(255, 74, 61, 0.18); color: #ffb3ad; }

.func-tag {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 7px;
  background: rgba(110, 130, 255, 0.14); color: #a9b8ff;
  border: 1px solid rgba(110, 130, 255, 0.24); white-space: nowrap;
}
.func-tag.gold { background: rgba(255, 207, 112, 0.13); color: var(--gold); border-color: rgba(255, 207, 112, 0.26); }
.func-tag.green { background: rgba(79, 209, 165, 0.12); color: var(--green); border-color: rgba(79, 209, 165, 0.24); }
.func-tag.red { background: rgba(255, 74, 61, 0.14); color: #ffb3ad; border-color: rgba(255, 74, 61, 0.26); }

.note-box {
  margin-top: 11px; padding: 12px 14px; border-radius: 12px;
  background: rgba(0, 0, 0, 0.22); border: 1px solid rgba(255, 255, 255, 0.055);
  font-size: 13px; line-height: 1.75;
}
.note-lab { font-size: 11px; color: var(--text-3); letter-spacing: 0.5px; margin-bottom: 4px; }
.note-why { color: var(--text-2); }
.note-why b { color: var(--text); font-weight: 500; }
.note-key { margin-top: 9px; color: var(--text-3); font-size: 12.5px; }
.note-key b { color: var(--gold); font-weight: 500; }
.pat {
  margin-top: 10px; padding: 10px 12px; border-radius: 10px;
  background: rgba(79, 209, 165, 0.07); border: 1px solid rgba(79, 209, 165, 0.18);
}
.pat .p-en { font-size: 13.5px; color: var(--green); line-height: 1.5; }
.pat .p-zh { font-size: 12.5px; color: var(--text-2); margin-top: 4px; }
.pat .p-use { font-size: 12px; color: var(--text-3); margin-top: 5px; }

.sent.reciting .en { color: transparent; filter: blur(5px); }
.sent.reciting .cn { color: transparent; filter: blur(5px); }

/* 结构视图 */
.struct-hero {
  padding: 20px 22px; border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(255, 74, 61, 0.14), rgba(110, 130, 255, 0.1) 70%, transparent);
  border: 1px solid var(--line); margin-bottom: 16px;
}
.struct-hero .tt { font-size: 21px; font-weight: 700; margin-bottom: 4px; }
.struct-hero .tsub { font-size: 13px; color: var(--accent-2); margin-bottom: 10px; }
.struct-hero .tdesc { font-size: 13.5px; color: var(--text-2); line-height: 1.75; }
.struct-hero .twhy { font-size: 12.5px; color: var(--text-3); line-height: 1.75; margin-top: 9px;
  padding-top: 9px; border-top: 1px dashed rgba(255, 255, 255, 0.08); }

.sec-title { font-size: 13px; color: var(--text-3); letter-spacing: 1px; margin: 22px 0 11px; }
.struct-card {
  display: grid; grid-template-columns: 74px 1fr; gap: 14px;
  padding: 15px 17px; border-radius: 15px; margin-bottom: 10px;
  background: var(--panel); border: 1px solid var(--line); backdrop-filter: var(--blur);
  cursor: pointer; transition: all 0.18s ease;
}
.struct-card:hover { background: var(--panel-2); border-color: var(--line-2); }
.struct-no {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  border-right: 1px dashed rgba(255, 255, 255, 0.1);
}
.struct-no b { font-size: 22px; font-weight: 700; color: var(--accent-2); line-height: 1; }
.struct-no span { font-size: 11px; color: var(--text-3); }
.struct-role { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 7px;
  background: rgba(255, 74, 61, 0.14); color: #ffb3ad; border: 1px solid rgba(255, 74, 61, 0.24); margin-bottom: 7px; }
.struct-title { font-size: 15.5px; font-weight: 600; margin-bottom: 7px; line-height: 1.45; }
.struct-meta { font-size: 11.5px; color: var(--text-3); margin-bottom: 9px; }
.struct-purpose { font-size: 13px; color: var(--text-2); line-height: 1.7; }
.struct-craft { font-size: 12.5px; color: var(--text-3); line-height: 1.7; margin-top: 6px; }
.struct-hl { font-size: 12.5px; color: var(--gold); line-height: 1.6; margin-top: 8px;
  padding-left: 10px; border-left: 2px solid rgba(255, 207, 112, 0.35); }

.langcard { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 11px; }
.langbox { padding: 13px 15px; border-radius: 13px; background: var(--panel); border: 1px solid var(--line); }
.langbox h5 { margin: 0 0 9px; font-size: 12px; color: var(--text-3); font-weight: 500; letter-spacing: 0.5px; }
.mrow { display: flex; align-items: center; gap: 8px; font-size: 12.5px; margin-bottom: 6px; color: var(--text-2); }
.mrow .mname { width: 34px; color: var(--text-3); }
.mrow .mbar { flex: 1; height: 5px; border-radius: 99px; background: rgba(255, 255, 255, 0.07); overflow: hidden; }
.mrow .mbar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.mrow .mnum { width: 30px; text-align: right; font-variant-numeric: tabular-nums; color: var(--text-3); }
.prow { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--text-2); padding: 3px 0; }
.prow b { color: var(--text); font-weight: 600; }

.ielts-q { padding: 12px 15px; border-radius: 12px; background: rgba(110, 130, 255, 0.07);
  border: 1px solid rgba(110, 130, 255, 0.18); margin-bottom: 9px; }
.ielts-q .qp { font-size: 11px; color: #a9b8ff; margin-bottom: 5px; }
.ielts-q .qq { font-size: 14.5px; line-height: 1.5; }
.ielts-q .qc { font-size: 12.5px; color: var(--text-3); margin-top: 4px; }
.skel { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px dashed rgba(255, 255, 255, 0.07); }
.skel:last-child { border-bottom: none; }
.skel .sno { width: 22px; height: 22px; border-radius: 50%; flex: 0 0 auto;
  background: rgba(79, 209, 165, 0.16); color: var(--green); font-size: 11.5px;
  display: grid; place-items: center; margin-top: 2px; }
.skel .sb { flex: 1; }
.skel .sstep { font-size: 13px; margin-bottom: 5px; }
.skel .spat { font-size: 13px; color: var(--green); line-height: 1.6; }
.skel .sex { font-size: 12.5px; color: var(--text-3); line-height: 1.65; margin-top: 4px; }
.model { padding: 15px 17px; border-radius: 13px; background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line); font-size: 13.5px; line-height: 1.85; color: var(--text-2); }

/* ================= 生词本页 ================= */
.tagrow { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 7px; }
.stat .tagrow .tag { font-size: 11px; }
.wcard .qm {
  font-size: 13px; color: var(--text-2); margin-top: 10px; line-height: 1.65;
  transition: color 0.18s ease, filter 0.18s ease; min-height: 20px;
}
.wcard .qm.hide { color: transparent; filter: blur(5px); }
.wcard .w-foot {
  display: flex; align-items: center; gap: 9px; margin-top: 11px;
  font-size: 11px; color: var(--text-3); border-top: 1px dashed rgba(255,255,255,.07); padding-top: 9px;
}
.wcard .w-say { cursor: pointer; padding: 2px 8px; border-radius: 7px; background: rgba(255,255,255,.055); border: 1px solid var(--line); }
.wcard .w-say:hover { color: var(--gold); border-color: rgba(255,207,112,.3); }
.wcard .w-src { margin-left: auto; color: var(--text-3); text-decoration: none; max-width: 60%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
a.w-src:hover { color: var(--accent-2); }

/* 查词浮层微调 */
.pop { max-width: 320px; }
.vrow { cursor: pointer; border-radius: 8px; padding: 7px 6px; transition: background .14s ease; }
.vrow:hover { background: rgba(255,255,255,.045); }
.pop .pa button.b1 { border-color: rgba(255,207,112,.28); color: var(--gold); }

/* ================= 权限 / 付费 ================= */

/* 档位切换器（本地预览用，接后端后移除） */
.tierchip {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--line-2); background: var(--panel);
  font-size: 12.5px; color: var(--text-2); transition: border-color .15s ease, background .15s ease;
}
.tierchip:hover { border-color: var(--line-2); background: var(--panel-2); color: var(--text); }
.tierchip b { font-weight: 500; color: var(--text); }
.tierchip em { font-style: normal; color: var(--text-3); font-size: 11.5px; }
.tierchip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text-3); }
.tierchip.t-free .dot { background: #6aa6ff; }
.tierchip.t-pro { border-color: rgba(255,207,112,.4); background: rgba(255,207,112,.1); }
.tierchip.t-pro .dot { background: var(--gold); }
.tierchip.t-pro b, .tierchip.t-pro em { color: var(--gold); }

/* 额度提示 */
.quota { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-3); }
.quota b { color: var(--text); font-weight: 500; }
.quota.up { color: var(--accent-2); }
.quota.up b { color: var(--accent-2); }

/* 上锁区块 */
.lockbox {
  margin: 16px 0; padding: 26px 22px; text-align: center;
  border: 1px dashed rgba(255,207,112,.28); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,207,112,.05), transparent);
}
.lockbox .lock-ico { font-size: 19px; opacity: .85; margin-bottom: 8px; }
.lockbox .lock-t { font-size: 14px; font-weight: 500; color: var(--text); margin-bottom: 5px; }
.lockbox .lock-s { font-size: 12.5px; color: var(--text-3); line-height: 1.7; margin-bottom: 14px; }
.lockbox.lock-inline { margin: 0; padding: 16px; border-style: solid; display: flex; align-items: center; gap: 14px; text-align: left; }
.lockbox.lock-inline .lock-ico { margin: 0; }
.lockbox.lock-inline .lock-btn { margin-left: auto; white-space: nowrap; }

/* 句子级遮罩（精讲/试读截断处） */
.sent.locked { opacity: .45; pointer-events: none; filter: blur(3.5px); user-select: none; }
.gate {
  grid-column: 1 / -1; text-align: center; padding: 22px 18px;
  border: 1px dashed var(--line-2); border-radius: var(--radius); background: var(--panel);
}
.gate p { margin: 0 0 12px; font-size: 12.5px; color: var(--text-3); line-height: 1.7; }

/* 升级弹层 */
.modal-mask {
  position: fixed; inset: 0; z-index: 90; display: none;
  align-items: center; justify-content: center; padding: 22px;
  background: rgba(6, 8, 12, .68); backdrop-filter: blur(6px);
}
.modal-mask.show { display: flex; }
.modal {
  width: 100%; max-width: 780px; max-height: 88vh; overflow: auto;
  background: #14171f; border: 1px solid var(--line-2);
  border-radius: 22px; padding: 24px; box-shadow: var(--shadow);
}
.modal-hd { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.modal-hd h3 { margin: 0 0 5px; font-size: 17px; font-weight: 500; }
.modal-hd p { margin: 0; font-size: 12.5px; color: var(--accent-2); }
.modal-x { background: none; border: 0; color: var(--text-3); font-size: 22px; cursor: pointer; line-height: 1; padding: 0 4px; }
.modal-x:hover { color: var(--text); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 13px; }
.plan-col {
  border: 1px solid var(--line); border-radius: 16px; padding: 16px;
  background: var(--panel); display: flex; flex-direction: column;
}
.plan-col.on { border-color: rgba(255,207,112,.45); background: rgba(255,207,112,.06); }
.plan-hd { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.plan-hd b { font-size: 14.5px; font-weight: 500; }
.plan-on { font-size: 11px; padding: 1px 7px; border-radius: 999px; background: rgba(255,207,112,.16); color: var(--gold); }
.plan-price { font-size: 22px; font-weight: 500; letter-spacing: -.4px; }
.plan-price span { font-size: 12px; color: var(--text-3); font-weight: 400; margin-left: 2px; }
.plan-price2 { font-size: 11.5px; color: var(--text-3); margin-top: 2px; }
.plan-col ul { list-style: none; margin: 14px 0 16px; padding: 0; flex: 1; }
.plan-col li { font-size: 12.5px; color: var(--text-2); line-height: 1.75; padding-left: 15px; position: relative; }
.plan-col li::before { content: "·"; position: absolute; left: 4px; color: var(--text-3); }
.plan-go { width: 100%; justify-content: center; }
.modal-ft { margin: 16px 0 0; font-size: 11.5px; color: var(--text-3); line-height: 1.7; text-align: center; }

/* 受限按钮 / 受限 tab */
.btn.locked-btn { border-color: rgba(255,207,112,.35); color: var(--gold); }
.viewseg button.gated::after { content: "锁"; font-size: 9px; margin-left: 4px; color: var(--gold); }

/* ---------- 售卖价格卡（升级弹层） ---------- */
.prices { display: grid; grid-template-columns: repeat(auto-fit, minmax(146px, 1fr)); gap: 11px; margin-bottom: 20px; }
.price-card {
  position: relative; border: 1px solid var(--line); border-radius: 14px;
  padding: 15px 13px 13px; background: var(--panel); cursor: pointer; transition: .16s;
}
.price-card:hover { border-color: var(--line-2); background: var(--panel-2); }
.price-card.on { border-color: rgba(255,207,112,.5); background: rgba(255,207,112,.08); }
.price-card.hot { border-color: rgba(255,74,61,.32); }
.price-hot {
  position: absolute; top: -9px; right: 10px; font-size: 10.5px; padding: 2px 8px;
  border-radius: 999px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
}
.price-lab { font-size: 12.5px; color: var(--text-2); }
.price-num { font-size: 23px; font-weight: 500; letter-spacing: -.5px; margin: 7px 0 4px; }
.price-num span { font-size: 11.5px; color: var(--text-3); font-weight: 400; margin-left: 3px; }
.price-note { font-size: 11px; color: var(--text-3); line-height: 1.6; }
.price-note s { opacity: .7; margin-right: 4px; }
.price-note em { font-style: normal; color: var(--accent-2); }

/* ---------- 成长页 ---------- */
.grow-top { display: grid; grid-template-columns: 1.12fr .88fr; gap: 14px; margin-bottom: 14px; }
@media (max-width: 820px) { .grow-top { grid-template-columns: 1fr; } }
.grow-card, .plan-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); padding: 18px; backdrop-filter: var(--blur);
}
.grow-head { display: flex; align-items: center; gap: 14px; margin-bottom: 15px; }
.grow-lv { font-size: 17px; font-weight: 500; letter-spacing: -.2px; }
.grow-lv em { font-style: normal; font-size: 12px; color: var(--text-3); font-weight: 400; margin-left: 5px; }
.grow-sub { font-size: 12.5px; color: var(--text-3); margin-top: 5px; line-height: 1.5; }
.grow-sub b { color: var(--accent-2); font-weight: 500; }
.grow-streak { text-align: right; flex: none; }
.grow-streak b { font-size: 22px; font-weight: 500; color: var(--gold); }
.grow-streak span { display: block; font-size: 11px; color: var(--text-3); }
.xpbar { height: 8px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.xpbar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--gold)); transition: width .4s ease; }
.grow-meta { display: flex; flex-wrap: wrap; gap: 5px 16px; margin-top: 12px; font-size: 11.5px; color: var(--text-3); }
.grow-meta b { color: var(--text); font-weight: 500; }

.xp-badge { border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 500; flex: none; border: 1px solid transparent; }
.xp-badge.lv-blue { background: rgba(106,166,255,.15); color: #8fbcff; border-color: rgba(106,166,255,.35); }
.xp-badge.lv-teal { background: rgba(79,209,165,.15); color: var(--green); border-color: rgba(79,209,165,.35); }
.xp-badge.lv-gold { background: rgba(255,207,112,.16); color: var(--gold); border-color: rgba(255,207,112,.4); }
.xp-badge.lv-top  { background: linear-gradient(135deg, rgba(255,74,61,.25), rgba(255,207,112,.25)); color: #ffd9a0; border-color: rgba(255,207,112,.5); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(138px, 1fr)); gap: 11px; margin-bottom: 22px; }
.stat-cell { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); padding: 15px; }
.sv { font-size: 24px; font-weight: 500; letter-spacing: -.5px; }
.sv span { font-size: 11.5px; color: var(--text-3); font-weight: 400; margin-left: 3px; }
.sk { font-size: 11.5px; color: var(--text-3); margin-top: 5px; }

.sec-hd { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 0 2px 12px; }
.sec-hd h4 { margin: 0; font-size: 15px; font-weight: 500; }
.sec-hd span { font-size: 11.5px; color: var(--text-3); }
.ladder { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
.lad-row { display: flex; align-items: center; gap: 13px; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.lad-row:last-child { border-bottom: 0; }
.lad-row.on { background: rgba(255,207,112,.06); }
.lad-row.done .lad-n { background: rgba(79,209,165,.15); color: var(--green); border-color: rgba(79,209,165,.3); }
.lad-row.done .lad-name { color: var(--text-2); }
.lad-n { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; flex: none; background: rgba(255,255,255,.05); border: 1px solid var(--line-2); color: var(--text-2); }
.lad-row.on .lad-n { background: rgba(255,207,112,.16); color: var(--gold); border-color: rgba(255,207,112,.42); }
.lad-main { flex: 1; }
.lad-name { font-size: 13.5px; font-weight: 500; display: flex; align-items: center; gap: 7px; }
.lad-name em { font-style: normal; font-size: 11px; color: var(--text-3); font-weight: 400; }
.lad-tag { font-size: 10.5px; padding: 1px 7px; border-radius: 999px; background: rgba(255,207,112,.16); color: var(--gold); }
.lad-cond { font-size: 11.5px; color: var(--text-3); margin-top: 3px; }
.lad-right { text-align: right; flex: none; }
.lad-reward { font-size: 12px; color: var(--text-2); }
.lad-xp { font-size: 11px; color: var(--text-3); margin-top: 3px; }

.plan-badge { width: 52px; height: 52px; border-radius: 15px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex: none; background: rgba(255,255,255,.06); border: 1px solid var(--line-2); color: var(--text-2); }
.plan-badge.pro { background: linear-gradient(135deg, rgba(255,74,61,.22), rgba(255,207,112,.22)); border-color: rgba(255,207,112,.45); color: var(--gold); }
.perk-list { list-style: none; margin: 0 0 13px; padding: 0; }
.perk-list li { font-size: 12px; color: var(--text-2); line-height: 1.8; padding-left: 14px; position: relative; }
.perk-list li::before { content: "·"; position: absolute; left: 4px; color: var(--text-3); }
.mini-prices { display: grid; grid-template-columns: repeat(auto-fit, minmax(94px, 1fr)); gap: 8px; margin-bottom: 13px; }
.mini-price { border: 1px solid var(--line); border-radius: 11px; padding: 9px 10px; background: rgba(255,255,255,.02); }
.mini-price.hot { border-color: rgba(255,74,61,.3); }
.mini-price span { font-size: 11px; color: var(--text-3); display: block; }
.mini-price b { font-size: 15px; font-weight: 500; }
.mini-price em { display: block; font-style: normal; font-size: 10.5px; color: var(--text-3); margin-top: 3px; }

.tierchip .lvmini { display: inline-block; font-size: 10.5px; padding: 0 6px; margin-right: 6px; border-radius: 999px; background: rgba(255,255,255,.09); color: var(--text-2); font-weight: 400; }

/* 经验 / 升级提示条 */
.xp-toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 18px); z-index: 120;
  display: flex; flex-direction: column; gap: 3px; padding: 13px 20px; border-radius: 15px;
  background: rgba(20,23,31,.94); border: 1px solid rgba(255,207,112,.4);
  box-shadow: var(--shadow); backdrop-filter: var(--blur);
  opacity: 0; pointer-events: none; transition: .28s ease; text-align: center;
}
.xp-toast.show { opacity: 1; transform: translate(-50%, 0); }
.xp-toast.mini { border-color: var(--line-2); padding: 9px 15px; flex-direction: row; align-items: center; gap: 9px; }
.xp-toast b { font-size: 13.5px; font-weight: 500; color: var(--gold); }
.xp-toast span { font-size: 11.5px; color: var(--text-3); }
.xp-toast.mini b { font-size: 12px; color: var(--text-2); }

/* ============ 账号 / 云同步 ============ */
.cloud-dot { width: 7px; height: 7px; border-radius: 50%; flex: none; background: var(--text-3); box-shadow: 0 0 0 3px rgba(255,255,255,.05); }
.cloud-dot.on { background: var(--green); box-shadow: 0 0 0 3px rgba(79,209,165,.16); }
.cloud-dot.off { background: #d9a13b; box-shadow: 0 0 0 3px rgba(217,161,59,.16); }

.acctchip {
  display: inline-flex; align-items: center; gap: 7px; margin-left: 4px;
  padding: 7px 12px; border-radius: 11px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--line); color: var(--text-2);
  font-size: 12.5px; transition: .18s ease;
}
.acctchip:hover { border-color: var(--line-2); color: var(--text); }
.acctchip.signed { color: var(--text); border-color: rgba(79,209,165,.3); }
.acctchip.off { color: var(--text-3); }
.acct-av {
  width: 20px; height: 20px; border-radius: 7px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; background: linear-gradient(135deg, rgba(255,74,61,.3), rgba(255,207,112,.3));
  color: var(--gold);
}
.acct-name { max-width: 9em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.auth-wrap { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 22px; align-items: start; margin-top: 8px; }
@media (max-width: 860px) { .auth-wrap { grid-template-columns: 1fr; } }

.auth-card, .auth-side {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 24px 22px; backdrop-filter: var(--blur); box-shadow: var(--shadow);
}
.auth-title { margin: 0 0 4px; font-size: 19px; font-weight: 500; }
.auth-sub { margin: 0 0 20px; font-size: 12.5px; color: var(--text-3); }

.auth-field { margin-bottom: 15px; }
.auth-field label { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 7px; }
.auth-field input {
  width: 100%; padding: 12px 14px; border-radius: 12px; font-size: 14.5px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
  color: var(--text); outline: none; transition: .18s ease;
}
.auth-field input:focus { border-color: rgba(255,74,61,.45); background: rgba(255,255,255,.06); }
.auth-field input::placeholder { color: var(--text-3); }
.auth-inline { display: flex; gap: 9px; }
.auth-inline input { flex: 1; min-width: 0; }
.auth-inline .btn { flex: none; white-space: nowrap; }

.auth-err { font-size: 12px; color: #ff8b80; min-height: 16px; margin-top: 6px; }
.auth-err-lg { margin-top: 12px; line-height: 1.7; }
.auth-submit { width: 100%; justify-content: center; padding: 12px; margin-top: 4px; }
.auth-sep { display: flex; align-items: center; gap: 12px; margin: 18px 0 14px; color: var(--text-3); font-size: 11.5px; }
.auth-sep::before, .auth-sep::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.auth-wechat { width: 100%; justify-content: center; padding: 12px; }
.auth-wechat::before { content: "微信"; font-size: 11px; padding: 0 6px; border-radius: 5px; background: rgba(79,209,165,.16); color: var(--green); margin-right: 8px; }
.auth-note { font-size: 11.5px; color: var(--text-3); line-height: 1.85; margin: 18px 0 0; }

.auth-user { display: flex; align-items: center; gap: 13px; margin-bottom: 18px; }
.auth-av {
  width: 46px; height: 46px; border-radius: 15px; flex: none;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
  background: linear-gradient(135deg, rgba(255,74,61,.26), rgba(255,207,112,.26)); color: var(--gold);
}
.auth-hi { font-size: 12px; color: var(--text-3); }
.auth-actions { display: flex; gap: 10px; }

.cloud-state { display: flex; gap: 11px; align-items: flex-start; padding: 14px; border-radius: 13px; background: rgba(255,255,255,.03); border: 1px solid var(--line); }
.cloud-state.on { border-color: rgba(79,209,165,.28); }
.cloud-state.off { border-color: rgba(217,161,59,.3); }
.cloud-state .cs-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 6px; flex: none; background: #d9a13b; }
.cloud-state.on .cs-dot { background: var(--green); }
.cloud-state b { font-size: 13px; font-weight: 500; }
.cloud-state p { margin: 5px 0 0; font-size: 12px; color: var(--text-3); line-height: 1.75; }
.cloud-perks { list-style: none; margin: 16px 0 0; padding: 0; }
.cloud-perks li { font-size: 12.5px; color: var(--text-2); line-height: 1.7; padding-left: 16px; position: relative; margin-bottom: 8px; }
.cloud-perks li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-size: 11px; }

.acct-strip {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; backdrop-filter: var(--blur); box-shadow: var(--shadow); margin-bottom: 16px;
}
.acct-strip .acct-av { width: 44px; height: 44px; font-size: 17px; }
.acct-strip .acct-av.guest { background: rgba(255,255,255,.06); color: var(--text-3); }
.acct-main { flex: 1; min-width: 200px; }
.acct-name-row { display: flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 500; flex-wrap: wrap; }
.acct-sub { font-size: 12px; color: var(--text-3); line-height: 1.7; margin-top: 5px; }
.acct-pill { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 400; padding: 3px 9px; border-radius: 999px; background: rgba(255,255,255,.05); color: var(--text-3); }
.acct-pill.on { color: var(--green); background: rgba(79,209,165,.1); }
.acct-pill.off { color: #d9a13b; background: rgba(217,161,59,.1); }