/* ==========================================================================
   mjkf.app — 名爵官方客服
   骨架：深色总机横幅 + 状态条 + 左侧粘性目录 / 右侧长文
   ========================================================================== */

.page-kefu { background: var(--paper); }

/* ---------- Hero ---------- */
.kf-hero {
  position: relative;
  padding: 70px 0 76px;
  background: var(--green);
  color: var(--cream);
  overflow: hidden;
  border-bottom: 1px solid var(--ink);
}

.kf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(251, 248, 240, .045) 1px, transparent 1px) 0 0 / 100% 46px,
    linear-gradient(90deg, rgba(251, 248, 240, .035) 1px, transparent 1px) 0 0 / 46px 100%;
  pointer-events: none;
}

.kf-hero::after {
  content: "SWITCHBOARD";
  position: absolute;
  right: -20px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 92px;
  font-weight: 600;
  letter-spacing: .02em;
  color: rgba(251, 248, 240, .045);
  pointer-events: none;
}

.kf-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 64px;
  align-items: center;
}

.kf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px;
  border: 1px solid rgba(251, 248, 240, .3);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: rgba(251, 248, 240, .82);
}

.kf-eyebrow .dot-live { background: #4ade9c; }

.kf-hero h1 {
  margin-top: 22px;
  font-family: var(--font-serif);
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.16;
}

.kf-hero h1 span {
  color: var(--orange-2);
}

.kf-lead {
  margin-top: 20px;
  max-width: 540px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(251, 248, 240, .76);
}

.kf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 30px;
}

.kf-hero .btn-primary {
  background: var(--orange);
  border-color: var(--cream);
  color: var(--cream);
  box-shadow: 4px 4px 0 rgba(251, 248, 240, .28);
}

.kf-hero .btn-primary:hover { background: var(--orange-2); }

.kf-hero .btn-room {
  background: transparent;
  border-color: rgba(251, 248, 240, .55);
  color: var(--cream);
  box-shadow: 4px 4px 0 rgba(251, 248, 240, .16);
}

.kf-hero .btn-room .room-label { color: rgba(251, 248, 240, .65); }
.kf-hero .btn-room .room-no { color: var(--orange-2); }

.kf-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px dashed rgba(251, 248, 240, .24);
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(251, 248, 240, .58);
}

.kf-hero-meta b { color: var(--cream); font-weight: 500; }

.kf-hero-figure {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 470px;
}

.kf-hero-figure img {
  width: 100%;
  aspect-ratio: 23 / 19.5;
  object-fit: cover;
  border: 1px solid rgba(251, 248, 240, .4);
  border-radius: 150px 150px 4px 4px;
  background: var(--green-2);
  box-shadow: 14px 14px 0 rgba(0, 0, 0, .18);
}

.kf-hero-figure figcaption {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-align: center;
  color: rgba(251, 248, 240, .5);
}

/* ---------- 状态条 ---------- */
.kf-statusbar {
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-strong);
}

.kf-statusbar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  padding-block: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--muted);
}

.kf-statusbar-inner span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
}

.kf-statusbar b { color: var(--ink); font-weight: 600; }

/* ---------- 布局 ---------- */
.kf-layout {
  display: grid;
  grid-template-columns: 258px minmax(0, 1fr);
  gap: 64px;
  padding-top: 72px;
  align-items: start;
}

/* ---------- 左栏 ---------- */
.kf-rail {
  position: sticky;
  top: calc(var(--header-h) + 26px);
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.kf-rail-k {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.kf-toc {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-strong);
}

.kf-toc a {
  padding: 9px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-2);
  transition: color .15s ease, padding-left .15s ease;
}

.kf-toc a:hover {
  color: var(--orange);
  padding-left: 6px;
}

.kf-rail-contact {
  padding: 20px;
  background: var(--green);
  color: var(--cream);
}

.kf-rail-contact .kf-rail-k { color: rgba(251, 248, 240, .55); }

.kf-rail-tg {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--orange-2);
  word-break: break-all;
}

.kf-rail-tg:hover { color: var(--cream); }

.kf-rail-contact p:not(.kf-rail-k) {
  margin-top: 8px;
  font-size: 11.5px;
  line-height: 1.7;
  color: rgba(251, 248, 240, .6);
}

.kf-rail-room {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed rgba(251, 248, 240, .24);
}

.kf-rail-room span { font-size: 11px; color: rgba(251, 248, 240, .55); }
.kf-rail-room b { font-family: var(--font-mono); font-size: 24px; color: var(--orange-2); }

.kf-rail-login {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--ink);
  background: var(--cream);
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
  box-shadow: 2px 2px 0 var(--ink);
}

.kf-rail-login:hover { background: var(--orange-soft); }

/* ---------- 内容区 ---------- */
.kf-content { min-width: 0; }

.kf-section {
  padding-bottom: 62px;
  margin-bottom: 62px;
  border-bottom: 1px solid var(--line-strong);
}

.kf-section:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }

.kf-sec-head { margin-bottom: 30px; }

/* 服务范围 */
.kf-scope-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.kf-scope-grid article {
  padding: 24px 22px;
  background: var(--cream);
  transition: background .18s ease;
}

.kf-scope-grid article:hover { background: var(--paper-2); }

.kf-scope-grid article > span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

.kf-scope-grid h3 {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
}

.kf-scope-grid p {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--muted);
}

/* 表格 */
.kf-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ink);
  background: var(--cream);
  box-shadow: var(--shadow-s);
}

.kf-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.kf-table th {
  padding: 13px 18px;
  background: var(--green);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .1em;
  text-align: left;
}

.kf-table td {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  vertical-align: top;
}

.kf-table td:first-child { font-weight: 600; color: var(--ink); }
.kf-table a { color: var(--green); border-bottom: 1px solid var(--line-strong); }
.kf-table a:hover { color: var(--orange); border-color: var(--orange); }

/* 时效 */
.kf-sla-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--ink);
  background: var(--cream);
}

.kf-sla-grid > div {
  padding: 24px 20px;
  border-right: 1px solid var(--line);
}

.kf-sla-grid > div:last-child { border-right: 0; }

.kf-sla-grid b {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  color: var(--green);
}

.kf-sla-grid b small {
  font-size: 12px;
  font-weight: 400;
  color: var(--orange);
  margin-left: 3px;
}

.kf-sla-grid span {
  display: block;
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--muted);
}

.kf-note {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 12.5px;
  color: var(--muted);
}

/* 流程 */
.kf-flow {
  position: relative;
  padding-left: 8px;
}

.kf-flow::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--line-strong);
}

.kf-flow li {
  position: relative;
  display: flex;
  gap: 20px;
  padding: 0 0 24px;
}

.kf-flow li:last-child { padding-bottom: 0; }

.kf-flow li > span {
  position: relative;
  z-index: 1;
  flex: none;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--cream);
  font-family: var(--font-mono);
  font-size: 11.5px;
  box-shadow: 2px 2px 0 var(--orange);
}

.kf-flow h3 { font-size: 15.5px; font-weight: 700; padding-top: 7px; }
.kf-flow p { margin-top: 2px; font-size: 13px; color: var(--muted); }

/* 值班班次 */
.kf-shift-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.kf-shift-grid article {
  padding: 24px 22px;
  background: var(--cream);
}

.kf-shift-grid article > span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--orange);
}

.kf-shift-grid h3 {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
}

.kf-shift-grid p {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--muted);
}

.kf-shift-grid em {
  display: inline-block;
  margin-top: 14px;
  padding: 2px 9px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  color: var(--ink-2);
}

/* 分流 */
.kf-triage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.kf-triage article {
  display: flex;
  flex-direction: column;
  padding: 26px 22px;
  border: 1px solid var(--line-strong);
  background: var(--cream);
}

.kf-triage article:nth-child(2) { border-top: 4px solid var(--gold); }
.kf-triage article:nth-child(3) { border-top: 4px solid var(--orange); }

.kf-triage-k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--orange);
}

.kf-triage h3 {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
}

.kf-triage p {
  margin-top: 7px;
  font-size: 12.5px;
  color: var(--muted);
  flex: 1;
}

.kf-triage em {
  display: inline-block;
  margin-top: 16px;
  padding: 3px 10px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10.5px;
  color: var(--ink-2);
}

/* 安全 */
.kf-security {
  padding: 34px 32px;
  background: var(--orange-soft);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow-s);
}

.kf-security .section-label { color: var(--red); }
.kf-security .section-label::before { background: var(--red); }

.kf-security-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(23, 33, 28, .18);
  border: 1px solid rgba(23, 33, 28, .18);
}

.kf-security-list li {
  display: flex;
  gap: 14px;
  padding: 18px;
  background: var(--cream);
}

.kf-security-list b {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
  padding-top: 2px;
}

.kf-security-list p { font-size: 13px; color: var(--ink-2); }

.kf-security-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.kf-security-actions .btn { min-height: 44px; padding: 9px 18px; font-size: 13px; }

/* 房间 */
.kf-room-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.kf-room-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border: 1px solid var(--ink);
  background: var(--cream);
  box-shadow: var(--shadow-s);
  transition: transform .18s ease, box-shadow .18s ease;
}

.kf-room-card:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 rgba(23, 33, 28, .16); }

.kf-room-k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--muted);
}

.kf-room-card strong {
  margin-top: 4px;
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--green);
}

.kf-room-card p {
  margin-top: 7px;
  font-size: 12.5px;
  color: var(--muted);
  flex: 1;
}

.kf-room-go {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--orange);
}

/* 承诺 */
.kf-promise {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.kf-promise > div {
  padding: 24px 22px;
  background: var(--paper);
}

.kf-promise b {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

.kf-promise h3 {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
}

.kf-promise p {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--muted);
}

/* CTA */
.kf-cta { border-bottom: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1040px) {
  .kf-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .kf-hero-figure { justify-self: start; max-width: 520px; }
  .kf-layout { grid-template-columns: 1fr; gap: 40px; }
  .kf-rail {
    position: static;
    display: grid;
    grid-template-columns: 1.2fr .9fr;
    gap: 20px;
    align-items: start;
  }
  .kf-rail-login { grid-column: 1 / -1; }
  .kf-toc { columns: 2; column-gap: 24px; }
  .kf-toc a { break-inside: avoid; }
}

@media (max-width: 780px) {
  .kf-scope-grid { grid-template-columns: 1fr 1fr; }
  .kf-sla-grid { grid-template-columns: 1fr 1fr; }
  .kf-sla-grid > div:nth-child(2) { border-right: 0; }
  .kf-sla-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .kf-triage,
  .kf-room-grid,
  .kf-promise,
  .kf-shift-grid { grid-template-columns: 1fr; }
  .kf-security-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .kf-hero { padding: 46px 0 54px; }
  .kf-hero::after { font-size: 56px; }
  .kf-actions .btn { width: 100%; }
  .kf-rail { grid-template-columns: 1fr; }
  .kf-toc { columns: 1; }
  .kf-scope-grid { grid-template-columns: 1fr; }
  .kf-security { padding: 24px 18px; }
  .kf-layout { padding-top: 48px; }
  .kf-section { padding-bottom: 44px; margin-bottom: 44px; }
}