/*!
 * ILUME 主页 v4 视觉层 — R217
 * 目标：入口收敛 · 首屏即引导 · 填表极简 · 视觉高档化
 * 原则：只做「增量层」，不改写 style.css / home_v3.css 既有选择器语义；
 *       新组件一律 v4- 前缀，避免与旧版冲突。
 * 品牌色：深青 #0e7490 · 深绿 #0b3d2e · 橙 #ff6a00 · 金 #f59e0b
 */

:root {
  --v4-teal: #0e7490;
  --v4-teal-d: #0b5566;
  --v4-green: #0b3d2e;
  --v4-orange: #ff6a00;
  --v4-gold: #f59e0b;
  --v4-line: #e3ecf5;
  --v4-soft: #f5faff;
  --v4-ink: #0a2540;
  --v4-mute: #5d6c85;
  --v4-shadow: 0 6px 24px rgba(11, 61, 46, .08);
  --v4-shadow-l: 0 14px 40px rgba(11, 61, 46, .14);
}

/* ───────── 导航：入口收敛 ───────── */
.v4-nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, var(--v4-orange), #e85f00);
  color: #fff !important; font-weight: 800; padding: 9px 16px;
  border-radius: 10px; text-decoration: none; white-space: nowrap;
  box-shadow: 0 4px 14px rgba(255, 106, 0, .3);
}
.v4-nav-cta:hover { filter: brightness(1.06); }
.v4-nav-cta.pulse { animation: v4pulse 2.6s ease-in-out infinite; }
@keyframes v4pulse {
  0%, 100% { box-shadow: 0 4px 14px rgba(255, 106, 0, .3); }
  50% { box-shadow: 0 6px 24px rgba(255, 106, 0, .55); }
}
.v4-nav-sep { width: 1px; height: 22px; background: rgba(255, 255, 255, .22); margin: 0 4px; }

/* ───────── 首屏：意图快选 ───────── */
.v4-quick {
  margin: 20px auto 0; max-width: 1080px; padding: 18px 18px 16px;
  background: rgba(255, 255, 255, .10); border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 18px; backdrop-filter: blur(6px);
}
.v4-quick-h { color: #dff1f7; font-size: 14px; font-weight: 700; margin: 0 0 12px; letter-spacing: .3px; }
.v4-quick-h em { color: #ffd166; font-style: normal; }
.v4-quick-row { display: flex; gap: 10px; flex-wrap: wrap; }
.v4-q {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  background: rgba(255, 255, 255, .95); color: var(--v4-ink);
  border: 1px solid rgba(255, 255, 255, .5); border-radius: 999px;
  padding: 10px 16px; font: 600 14px/1 -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  transition: transform .15s, box-shadow .15s;
}
.v4-q:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, .18); }
.v4-q i { font-style: normal; font-size: 16px; }

/* ───────── 内嵌 AI 一键引导台 ───────── */
.v4-guide {
  padding: 34px 20px 40px;
  background: linear-gradient(180deg, #ffffff 0%, var(--v4-soft) 100%);
  border-bottom: 1px solid var(--v4-line);
}
.v4-guide-in { max-width: 1080px; margin: 0 auto; }
.v4-guide-top { display: flex; align-items: flex-end; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }
.v4-guide-top h2 { font-size: 25px; color: var(--v4-ink); margin: 0; letter-spacing: -.3px; }
.v4-guide-top h2 em { font-style: normal; color: var(--v4-teal); }
.v4-guide-top .en { color: #91a3b8; font-size: 12px; font-weight: 700; letter-spacing: 1.6px; }
.v4-guide-sub { color: var(--v4-mute); font-size: 14.5px; line-height: 1.8; margin: 8px 0 20px; max-width: 900px; }
.v4-guide-sub b { color: var(--v4-green); }

.v4-steps { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.v4-step {
  flex: 1 1 150px; min-width: 140px; background: #fff; border: 1px solid var(--v4-line);
  border-radius: 12px; padding: 12px 14px; position: relative; transition: .2s;
}
.v4-step.on { border-color: var(--v4-teal); box-shadow: 0 0 0 3px rgba(14, 116, 144, .10); }
.v4-step.done { border-color: #b7e4c7; background: #f4fdf7; }
.v4-step b { display: block; font-size: 13px; color: var(--v4-ink); }
.v4-step span { display: block; font-size: 12px; color: #8c9bb0; margin-top: 3px; }
.v4-step .n {
  position: absolute; right: 10px; top: 10px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--v4-line); color: #7b8aa0; font: 700 11px/18px sans-serif; text-align: center;
}
.v4-step.on .n { background: var(--v4-teal); color: #fff; }
.v4-step.done .n { background: #2f9e5b; color: #fff; }

.v4-pane { background: #fff; border: 1px solid var(--v4-line); border-radius: 16px; padding: 20px; box-shadow: var(--v4-shadow); }
.v4-pane h4 { margin: 0 0 4px; font-size: 16px; color: var(--v4-ink); }
.v4-pane .tip { color: #8c9bb0; font-size: 12.5px; margin: 0 0 14px; }
.v4-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(212px, 1fr)); gap: 10px; }
.v4-opt {
  text-align: left; cursor: pointer; background: #fbfdff; border: 1px solid var(--v4-line);
  border-radius: 12px; padding: 13px 14px; transition: .16s; font-family: inherit;
}
.v4-opt:hover { border-color: var(--v4-teal); background: #f4fbfd; transform: translateY(-1px); }
.v4-opt.on { border-color: var(--v4-teal); background: #ecf8fb; box-shadow: 0 0 0 3px rgba(14, 116, 144, .10); }
.v4-opt b { display: block; font-size: 14px; color: var(--v4-ink); }
.v4-opt small { display: block; font-size: 12px; color: #8394a9; margin-top: 4px; line-height: 1.5; }
.v4-opt i { font-style: normal; font-size: 17px; margin-right: 6px; }

.v4-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.v4-chip {
  cursor: pointer; border: 1px solid var(--v4-line); background: #fff; border-radius: 999px;
  padding: 8px 14px; font: 600 13px/1 inherit; color: #43566e; transition: .15s;
}
.v4-chip:hover { border-color: var(--v4-teal); color: var(--v4-teal); }
.v4-chip.on { background: var(--v4-teal); border-color: var(--v4-teal); color: #fff; }

.v4-field { margin-bottom: 12px; }
.v4-field label { display: block; font-size: 13px; font-weight: 700; color: #43566e; margin-bottom: 6px; }
.v4-field label .req { color: #e11d48; }
.v4-field input, .v4-field textarea, .v4-field select {
  width: 100%; box-sizing: border-box; border: 1px solid #d8e3ef; border-radius: 10px;
  padding: 12px 13px; font: 14px/1.5 inherit; color: var(--v4-ink); background: #fcfdff;
  transition: .15s;
}
.v4-field input:focus, .v4-field textarea:focus, .v4-field select:focus {
  outline: none; border-color: var(--v4-teal); box-shadow: 0 0 0 3px rgba(14, 116, 144, .12); background: #fff;
}
.v4-field .hint { font-size: 12px; color: #8c9bb0; margin-top: 5px; }
.v4-field .hint.ok { color: #2f9e5b; font-weight: 600; }
.v4-field .hint.bad { color: #e11d48; font-weight: 600; }
.v4-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .v4-grid2 { grid-template-columns: 1fr; } }

.v4-acts { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; }
.v4-btn {
  cursor: pointer; border: 0; border-radius: 11px; padding: 13px 24px;
  font: 800 15px/1 inherit; text-decoration: none; display: inline-flex; align-items: center; gap: 7px;
}
.v4-btn-main { background: linear-gradient(135deg, var(--v4-teal), var(--v4-teal-d)); color: #fff; box-shadow: 0 6px 18px rgba(14, 116, 144, .28); }
.v4-btn-main:hover { filter: brightness(1.08); }
.v4-btn-go { background: linear-gradient(135deg, #22c55e, #16a34a); color: #fff; box-shadow: 0 6px 18px rgba(34, 197, 94, .3); }
.v4-btn-ghost { background: #fff; border: 1px solid #cfdcea; color: #3d5a72; }
.v4-btn[disabled] { opacity: .5; cursor: not-allowed; box-shadow: none; }
.v4-btn small { font-weight: 500; opacity: .9; }

.v4-sum {
  background: #f4fbfd; border: 1px dashed #a9d7e3; border-radius: 12px;
  padding: 12px 14px; font-size: 13px; color: #2c4a5c; line-height: 1.8; margin-top: 14px;
}
.v4-sum b { color: var(--v4-green); }
.v4-msg { margin-top: 12px; font-size: 13.5px; border-radius: 10px; padding: 11px 13px; display: none; }
.v4-msg.show { display: block; }
.v4-msg.ok { background: #effaf3; border: 1px solid #b7e4c7; color: #1c6b3a; }
.v4-msg.bad { background: #fff1f2; border: 1px solid #fecdd3; color: #b3123a; }

/* 结果卡 */
.v4-done { display: none; }
.v4-done.show { display: block; }
.v4-done-h { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.v4-done-h .ic { width: 34px; height: 34px; border-radius: 50%; background: #effaf3; color: #16a34a; font: 700 18px/34px sans-serif; text-align: center; }
.v4-no { font: 800 20px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--v4-green); letter-spacing: .4px; }
.v4-nx { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px; margin-top: 14px; }
.v4-nx a {
  display: block; background: #fff; border: 1px solid var(--v4-line); border-radius: 12px;
  padding: 13px 14px; text-decoration: none; color: var(--v4-ink); transition: .16s;
}
.v4-nx a:hover { border-color: var(--v4-teal); transform: translateY(-1px); box-shadow: var(--v4-shadow); }
.v4-nx a b { display: block; font-size: 14px; }
.v4-nx a span { display: block; font-size: 12px; color: #8394a9; margin-top: 4px; line-height: 1.55; }

/* ───────── R217 三线专区 ───────── */
.v4-r217 { padding: 38px 20px; background: #fff; }
.v4-r217-in { max-width: 1120px; margin: 0 auto; }
.v4-lines { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-top: 18px; }
.v4-line {
  border: 1px solid var(--v4-line); border-radius: 16px; padding: 20px; background: #fff;
  box-shadow: var(--v4-shadow); display: flex; flex-direction: column;
}
.v4-line .tag { display: inline-block; font: 800 11px/1 sans-serif; letter-spacing: 1.4px; padding: 6px 10px; border-radius: 999px; margin-bottom: 12px; }
.v4-line.t1 .tag { background: #eaf6fb; color: #0b6b86; }
.v4-line.t2 .tag { background: #fff4e6; color: #b45309; }
.v4-line.t3 .tag { background: #eefbf1; color: #1c6b3a; }
.v4-line h3 { margin: 0 0 8px; font-size: 18px; color: var(--v4-ink); }
.v4-line p { color: var(--v4-mute); font-size: 13.5px; line-height: 1.8; margin: 0 0 14px; flex: 1; }
.v4-line .kv { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: #43566e; margin-bottom: 14px; }
.v4-line .kv b { color: var(--v4-green); font-family: ui-monospace, Menlo, monospace; }
.v4-line .go {
  display: inline-block; text-align: center; background: var(--v4-green); color: #fff;
  padding: 11px 16px; border-radius: 10px; font-weight: 700; text-decoration: none; font-size: 14px;
}
.v4-line .go.alt { background: var(--v4-teal); }
.v4-line .go.gold { background: #b45309; }
.v4-line .sub { display: block; margin-top: 9px; font-size: 12.5px; }
.v4-line .sub a { color: var(--v4-teal); text-decoration: none; margin-right: 12px; }

/* ───────── 全部入口索引 ───────── */
.v4-index { padding: 38px 20px; background: linear-gradient(180deg, var(--v4-soft), #fff); border-top: 1px solid var(--v4-line); }
.v4-index-in { max-width: 1120px; margin: 0 auto; }
.v4-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 18px; margin-top: 18px; }
.v4-col { background: #fff; border: 1px solid var(--v4-line); border-radius: 14px; padding: 16px 18px; }
.v4-col h4 { margin: 0 0 10px; font-size: 14px; color: var(--v4-green); border-bottom: 1px solid var(--v4-line); padding-bottom: 8px; }
.v4-col a { display: block; color: #3d5a72; text-decoration: none; font-size: 13px; padding: 4px 0; }
.v4-col a:hover { color: var(--v4-teal); font-weight: 600; }
.v4-col a.hot { color: #b45309; font-weight: 700; }

/* ───────── 悬浮引导器 ───────── */
#v4g-fab {
  position: fixed; left: 18px; bottom: 74px; z-index: 99998; cursor: pointer;
  display: flex; align-items: center; gap: 8px; border: 0;
  background: linear-gradient(135deg, #0e7490, #0b3d2e); color: #fff;
  font: 700 14px/1 -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  padding: 13px 18px; border-radius: 28px; box-shadow: 0 6px 22px rgba(14, 116, 144, .42);
}
#v4g-fab:hover { filter: brightness(1.08); }
#v4g-fab .dot { width: 8px; height: 8px; border-radius: 50%; background: #7ee787; box-shadow: 0 0 0 3px rgba(126, 231, 135, .3); }

#v4g-mask { position: fixed; inset: 0; z-index: 99998; background: rgba(8, 22, 34, .5); display: none; }
#v4g-mask.on { display: block; }
#v4g-panel {
  position: fixed; z-index: 99999; right: 0; top: 0; bottom: 0; width: min(460px, 100vw);
  background: #fff; box-shadow: -8px 0 40px rgba(8, 22, 34, .3);
  transform: translateX(102%); transition: transform .28s ease;
  display: flex; flex-direction: column;
}
#v4g-panel.on { transform: none; }
.v4g-h {
  padding: 16px 18px; border-bottom: 1px solid var(--v4-line);
  display: flex; align-items: center; gap: 10px; background: linear-gradient(135deg, #0e7490, #0b3d2e); color: #fff;
}
.v4g-h b { font-size: 15px; }
.v4g-h small { display: block; font-size: 11.5px; opacity: .82; font-weight: 500; margin-top: 3px; }
.v4g-x { margin-left: auto; cursor: pointer; background: rgba(255, 255, 255, .16); border: 0; color: #fff; width: 30px; height: 30px; border-radius: 8px; font-size: 16px; }
.v4g-b { padding: 16px 18px; overflow: auto; flex: 1; }
.v4g-f { padding: 12px 18px; border-top: 1px solid var(--v4-line); background: #fafcfe; display: flex; gap: 10px; align-items: center; }
.v4g-f .sp { flex: 1; font-size: 12px; color: #8c9bb0; }
.v4g-bar { height: 4px; background: var(--v4-line); }
.v4g-bar i { display: block; height: 100%; width: 25%; background: var(--v4-teal); transition: width .25s; }

/* ───────── 智能表单（页内询盘） ───────── */
.v4-smart { position: relative; }
.v4-smart .v4-quickfill {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; margin-bottom: 10px;
  background: #eef8fb; border: 1px solid #bfe0ea; color: #0b6b86;
  font: 700 12.5px/1 inherit; padding: 8px 12px; border-radius: 999px;
}
.v4-smart .v4-quickfill:hover { background: #e0f2f7; }
.v4-trust { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: #7b8aa0; margin-top: 10px; }
.v4-trust span::before { content: '✓ '; color: #2f9e5b; font-weight: 700; }

@media (max-width: 720px) {
  #v4g-fab { left: 12px; bottom: 66px; padding: 11px 14px; font-size: 13px; }
  .v4-guide { padding: 26px 14px 30px; }
  .v4-guide-top h2 { font-size: 21px; }
  .v4-step { flex: 1 1 46%; min-width: 0; }
}