/* ===== components.css =====
   顶栏 / 抽屉 / 按钮 / 标签 / 英雄区 / 档案区 / 表格 / 锁定态 / 页脚。
   BEM 命名，所有颜色取自 tokens.css。 */

/* ============ 顶部导航 ============ */
.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: var(--head-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s5);
  padding-inline: clamp(16px, 3vw, 40px);
  background: linear-gradient(to bottom, rgba(8, 9, 10, 0.88), rgba(8, 9, 10, 0.56) 60%, rgba(8, 9, 10, 0));
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid transparent;
  transition:
    background var(--t-mid) var(--ease),
    border-color var(--t-mid) var(--ease);
}

.site-head.is-solid {
  background: rgba(8, 9, 10, 0.92);
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  align-self: center;
  padding-block: 8px;
}

.brand__zh {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--ink-0);
}

.brand__en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--brass-dim);
}

.brand:hover .brand__zh {
  color: var(--brass-hi);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 28px);
}

.site-nav a {
  position: relative;
  padding: 12px 0;
  font-size: 13.5px;
  letter-spacing: 0.16em;
  color: var(--ink-1);
  transition: color var(--t-fast) var(--ease);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 100%;
  height: 1px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast) var(--ease);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink-0);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.head-meta {
  display: flex;
  align-items: center;
  gap: var(--s4);
}

.head-progress {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  white-space: nowrap;
}

.head-progress b {
  color: var(--brass);
  font-weight: 500;
}

.head-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  color: var(--ink-0);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  transition:
    background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.head-btn:hover {
  background: rgba(201, 162, 94, 0.1);
  border-color: var(--brass);
  color: var(--brass-hi);
}

/* 顶部滚动进度线 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 95;
  width: 100%;
  height: 2px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

/* ============ 索引抽屉 ============ */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: rgba(6, 7, 8, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 620ms var(--ease-out);
  visibility: hidden;
}

.drawer.is-open {
  clip-path: inset(0 0 0 0);
  visibility: visible;
}

.drawer__inner {
  width: 100%;
  max-width: var(--w-max);
  padding: var(--s6) var(--gutter);
  max-height: 100svh;
  overflow-y: auto;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--s4);
  border-bottom: 1px solid var(--line);
}

.drawer__close {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  color: var(--ink-0);
  transition:
    background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.drawer__close:hover {
  background: rgba(201, 162, 94, 0.12);
  border-color: var(--brass);
}

.drawer__list {
  margin-top: var(--s6);
  display: grid;
  gap: 0;
}

.drawer__list li {
  border-bottom: 1px solid var(--line-ink);
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 420ms var(--ease-out),
    transform 520ms var(--ease-out);
}

.drawer.is-open .drawer__list li {
  opacity: 1;
  transform: none;
  transition-delay: calc(120ms + var(--i, 0) * 34ms);
}

.drawer__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s4);
  padding: clamp(10px, 1.6vh, 18px) 4px;
  min-height: 44px;
  font-size: clamp(20px, 2.4vw, 32px);
  color: var(--ink-0);
  letter-spacing: 0.1em;
  transition:
    color var(--t-fast) var(--ease),
    padding-left var(--t-fast) var(--ease);
}

.drawer__list li::before {
  content: attr(data-idx);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brass-dim);
  letter-spacing: 0.2em;
  position: relative;
  top: -0.9em;
  margin-right: 12px;
}

.drawer__list li {
  display: flex;
  align-items: center;
}

.drawer__list a {
  flex: 1;
}

.drawer__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--ink-2);
}

.drawer__list a:hover {
  color: var(--brass-hi);
  padding-left: 12px;
}

.drawer__list li.is-locked a {
  color: var(--ink-2);
  cursor: not-allowed;
}

.drawer__note {
  margin-top: var(--s5);
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.1em;
}

body.is-drawer-open {
  overflow: hidden;
}

/* ============ 按钮 / 标签 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid var(--line-strong);
  font-size: 13.5px;
  letter-spacing: 0.22em;
  color: var(--ink-0);
  transition:
    background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease);
}

.btn:hover {
  background: rgba(201, 162, 94, 0.1);
  border-color: var(--brass);
  color: var(--brass-hi);
  transform: translateY(-2px);
}

.btn--solid {
  background: var(--brass);
  border-color: var(--brass);
  color: var(--bg-0);
}

.btn--solid:hover {
  background: var(--brass-hi);
  border-color: var(--brass-hi);
  color: var(--bg-0);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--line-strong);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-1);
  white-space: nowrap;
}

.tag--warn {
  color: var(--ember);
  border-color: rgba(196, 83, 47, 0.5);
}

.tag--locked {
  color: var(--brass-dim);
}

/* ============ 势力页英雄区 ============ */
.f-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--bg-0);
  isolation: isolate;
}

.f-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.f-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  filter: saturate(0.86) contrast(1.04) brightness(0.82);
  transform: scale(1.08);
  animation: hero-drift 24s ease-out forwards;
}

@keyframes hero-drift {
  to {
    transform: scale(1);
  }
}

.f-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 20% 90%, rgba(8, 9, 10, 0.92) 0%, rgba(8, 9, 10, 0.35) 45%, rgba(8, 9, 10, 0.1) 70%),
    linear-gradient(to top, var(--bg-0) 2%, rgba(8, 9, 10, 0.7) 28%, rgba(8, 9, 10, 0.18) 62%, rgba(8, 9, 10, 0.55) 100%);
}

.f-hero__grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.16;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23g)' opacity='.55'/%3E%3C/svg%3E");
  pointer-events: none;
}

.f-hero__meta {
  position: absolute;
  top: calc(var(--head-h) + var(--s5));
  left: var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.f-hero__body {
  position: relative;
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding: 0 var(--gutter) clamp(56px, 9vh, 120px);
}

.f-hero__title {
  font-size: var(--fs-display);
  line-height: 0.98;
  letter-spacing: 0.04em;
  color: var(--ink-0);
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.55);
}

.f-hero__quote {
  margin-top: clamp(16px, 2vw, 26px);
  max-width: 22em;
  font-size: var(--fs-lead);
  line-height: 1.6;
  color: var(--ink-1);
  letter-spacing: 0.14em;
}

.f-hero__quote::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  margin-right: 12px;
  vertical-align: 0.32em;
  background: var(--accent);
}

.f-hero__tags {
  margin-top: var(--s5);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.f-hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(24px, 5vh, 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, transparent, var(--brass));
  animation: scroll-pulse 2.6s var(--ease) infinite;
}

@keyframes scroll-pulse {
  0%,
  100% {
    opacity: 0.25;
    transform: scaleY(0.6);
    transform-origin: top;
  }
  45% {
    opacity: 1;
    transform: scaleY(1);
  }
}

/* ============ 元信息条 ============ */
.f-meta-bar {
  position: relative;
  z-index: 20;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.f-meta-bar.is-stuck {
  position: sticky;
  top: var(--head-h);
  z-index: 40;
  background: rgba(14, 15, 16, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.f-meta {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.f-meta > div {
  padding: 18px clamp(8px, 1.4vw, 22px);
  border-left: 1px solid var(--line-ink);
}

.f-meta > div:first-child {
  border-left: 0;
  padding-left: 0;
}

.f-meta dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--ink-2);
  text-transform: uppercase;
}

.f-meta dd {
  margin-top: 8px;
  font-size: clamp(14px, 1.05vw, 17px);
  color: var(--ink-0);
  letter-spacing: 0.06em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============ 正文分节 ============ */
.f-section {
  position: relative;
  padding-block: clamp(64px, 9vw, 140px) clamp(48px, 7vw, 112px);
  background: var(--bg-0);
}

.f-section + .f-section {
  border-top: 1px solid var(--line-ink);
}

.f-section:nth-of-type(even) {
  background: var(--bg-1);
}

.f-section__inner {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.f-section__head {
  display: grid;
  gap: var(--s3);
  margin-bottom: clamp(24px, 3vw, 44px);
  max-width: 40ch;
}

.s-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-2);
}

.s-num span {
  color: var(--brass);
}

.s-title {
  font-size: var(--fs-h2);
  color: var(--ink-0);
}

.sub-head {
  margin-top: 1.8em;
  margin-bottom: 0.7em;
  font-size: var(--fs-h3);
  color: var(--ink-0);
  letter-spacing: 0.1em;
  padding-left: 14px;
  border-left: 2px solid var(--accent);
}

/* 图 */
.f-figure {
  position: relative;
  margin: clamp(24px, 4vw, 56px) 0;
  overflow: hidden;
  border: 1px solid var(--line-ink);
  background: var(--bg-2);
}

.f-figure__img {
  width: 100%;
  height: clamp(240px, 46vh, 560px);
  object-fit: cover;
  filter: saturate(0.9) contrast(1.03);
  transform: scale(1.04);
  transition: transform 1200ms var(--ease-out), filter 800ms var(--ease);
}

.f-figure.is-in .f-figure__img,
.f-figure:hover .f-figure__img {
  transform: scale(1);
}

.f-figure__cap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  padding: 10px 14px;
  border-top: 1px solid var(--line-ink);
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.1em;
}

.f-figure__idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--brass-dim);
}

/* 宽幅图满溢出版心 */
.f-section--wide .f-figure--wide {
  margin-inline: calc(var(--gutter) * -1);
}

/* 正文 */
.f-prose {
  max-width: 74ch;
}

.f-prose .body-text {
  font-size: var(--fs-body);
  line-height: 1.95;
}

.pull-quote {
  position: relative;
  margin: clamp(28px, 4vw, 56px) 0;
  padding: clamp(20px, 2.6vw, 34px) clamp(20px, 3vw, 44px);
  border-left: 1px solid var(--accent);
  background: linear-gradient(90deg, rgba(201, 162, 94, 0.06), transparent 70%);
}

.pull-quote p {
  font-size: clamp(20px, 1.7vw, 30px);
  line-height: 1.6;
  color: var(--ink-0);
  letter-spacing: 0.12em;
}

/* ============ 表格 ============ */
.table-wrap {
  margin: clamp(24px, 3.4vw, 48px) 0;
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 520px;
}

.table-wrap caption {
  caption-side: top;
  text-align: left;
  padding: 12px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--brass);
  text-transform: uppercase;
}

.table-wrap th,
.table-wrap td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-ink);
  line-height: 1.7;
}

.table-wrap thead th {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 400;
  white-space: nowrap;
}

.table-wrap tbody th {
  color: var(--ink-0);
  font-weight: 500;
  white-space: nowrap;
  width: 30%;
  letter-spacing: 0.08em;
}

.table-wrap tbody td {
  color: var(--ink-1);
}

.table-wrap tbody tr:hover {
  background: rgba(201, 162, 94, 0.045);
}

/* ============ 锁定态 ============ */
.locked {
  position: relative;
  filter: grayscale(0.55) brightness(0.82);
  cursor: not-allowed;
  user-select: none;
}

.locked > * {
  pointer-events: none;
}

.locked::after {
  content: "权限未开放";
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 8px;
  border: 1px solid var(--brass-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--brass-dim);
  background: rgba(8, 9, 10, 0.85);
  z-index: 3;
}

.locked__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ember);
  margin-bottom: var(--s3);
}

.sealed {
  padding: clamp(28px, 4vw, 56px);
  border: 1px solid var(--line-strong);
  background:
    repeating-linear-gradient(135deg, rgba(201, 162, 94, 0.04) 0 2px, transparent 2px 8px),
    var(--bg-1);
}

.sealed .body-text {
  margin-top: var(--s4);
}

.sealed__bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s4) var(--s6);
  margin-top: var(--s6);
  padding-top: var(--s4);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--brass-dim);
}

/* 提示条 */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 120;
  transform: translate(-50%, 140%);
  padding: 12px 22px;
  background: var(--bg-2);
  border: 1px solid var(--brass-dim);
  color: var(--ink-0);
  font-size: 13px;
  letter-spacing: 0.12em;
  transition: transform 420ms var(--ease-out);
  pointer-events: none;
  max-width: calc(100vw - 40px);
}

.toast.is-show {
  transform: translate(-50%, 0);
}

/* ============ 相关档案 ============ */
.f-related {
  padding-block: clamp(48px, 6vw, 96px);
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}

.related-list {
  margin-top: var(--s5);
  border-top: 1px solid var(--line-ink);
}

.related-list a {
  display: flex;
  align-items: center;
  gap: var(--s4);
  min-height: 56px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line-ink);
  color: var(--ink-0);
  transition:
    padding-left var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.related-list a:hover {
  padding-left: 14px;
  color: var(--brass-hi);
}

.r-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--brass-dim);
  width: 52px;
  flex: none;
}

.r-title {
  flex: 1;
  letter-spacing: 0.1em;
}

.r-arrow {
  color: var(--brass-dim);
}

.back-idx {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: var(--s6);
  padding: 12px 0;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--ink-1);
}

.back-idx:hover {
  color: var(--brass-hi);
}

/* ============ 页脚 ============ */
.site-foot {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: clamp(24px, 4vw, 64px);
  padding: clamp(48px, 6vw, 88px) var(--gutter) var(--s7);
  background: var(--bg-0);
  border-top: 1px solid var(--line);
  max-width: var(--w-max);
  margin-inline: auto;
}

.foot__line {
  font-size: clamp(16px, 1.3vw, 20px);
  line-height: 1.9;
  color: var(--ink-1);
  letter-spacing: 0.08em;
  margin-bottom: var(--s5);
}

.foot__h {
  font-size: 12px;
  font-weight: 400;
  font-family: var(--font-mono);
  letter-spacing: 0.26em;
  color: var(--brass);
  text-transform: uppercase;
  margin-bottom: var(--s4);
}

.foot__col ul {
  display: grid;
  gap: 6px;
}

.foot__col a {
  display: inline-block;
  padding: 6px 0;
  font-size: 13.5px;
  color: var(--ink-1);
  letter-spacing: 0.1em;
  transition: color var(--t-fast) var(--ease);
}

.foot__col a:hover {
  color: var(--brass-hi);
}

.foot__small {
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--ink-2);
  margin-bottom: var(--s5);
}

.foot__small a {
  color: var(--brass);
  border-bottom: 1px solid var(--line-strong);
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .site-nav {
    display: none;
  }

  .f-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .f-meta > div:nth-child(4),
  .f-meta > div:nth-child(5) {
    display: none;
  }

  .site-foot {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .head-progress {
    display: none;
  }

  .f-hero {
    min-height: 88svh;
  }

  .f-hero__media img {
    object-position: center 38%;
  }

  .f-hero__scroll {
    display: none;
  }

  .f-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .f-meta > div:nth-child(3) {
    display: none;
  }

  .f-meta dd {
    white-space: normal;
  }

  .f-section--wide .f-figure--wide {
    margin-inline: 0;
  }

  .f-figure__img {
    height: clamp(200px, 32vh, 320px);
  }

  .site-foot {
    grid-template-columns: 1fr;
    gap: var(--s6);
  }

  .drawer__list a {
    font-size: clamp(17px, 4.6vw, 22px);
  }
}

@media (max-width: 420px) {
  .brand__en {
    display: none;
  }

  .drawer__list a span {
    display: none;
  }
}